diff --git a/Makefile b/Makefile
index 816db122..b181abc5 100644
--- a/Makefile
+++ b/Makefile
@@ -3,17 +3,11 @@
 .PHONY: sass frontend js compress lint-sass lint-js
 jsfiles := $(wildcard resources/assets/js/*.js)
 sassfiles := $(wildcard resources/assets/sass/*.scss)
-yarnfiles:= node_modules/whatwg-fetch/fetch.js \
-node_modules/alertify.js/dist/js/alertify.js \
-node_modules/store2/dist/store2.min.js \
-node_modules/autolinker/dist/Autolinker.min.js \
-node_modules/marked/marked.min.js \
-node_modules/mapbox-gl/dist/mapbox-gl.css
+yarnfiles:= node_modules/mapbox-gl/dist/mapbox-gl.css
 assets := public/assets/css/app.css \
 public/assets/prism/prism.css public/assets/prism/prism.js \
 $(wildcard public/assets/js/*.js) \
-$(wildcard pubilc/assets/frontend/*.css) \
-$(wildcard public/assets/frontend/*.js)
+$(wildcard public/assets/frontend/*.css)
 
 sass: public/assets/css/app.css
 
diff --git a/public/assets/css/app.css.gz b/public/assets/css/app.css.gz
index a6811385..3441fdda 100644
Binary files a/public/assets/css/app.css.gz and b/public/assets/css/app.css.gz differ
diff --git a/public/assets/css/app.css.map b/public/assets/css/app.css.map
index 4e10bfa2..8109d64c 100644
--- a/public/assets/css/app.css.map
+++ b/public/assets/css/app.css.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../resources/assets/sass/app.scss","../../../resources/assets/sass/layout.scss","../../../resources/assets/sass/styles.scss","../../../resources/assets/sass/pagination.scss","../../../resources/assets/sass/note-form.scss","../../../resources/assets/sass/mapbox.scss","../../../resources/assets/sass/contacts.scss"],"names":[],"mappings":"AAIA,KACI,sBACA,cAAgB,CACnB,qBAKG,kBAAoB,CACvB,KCVG,eACA,cACA,iBACA,kBACA,oBAAsB,CACzB,WAGG,iBAAmB,CACtB,SAGG,gBAAkB,CACrB,MAGG,oBACA,AADA,aACA,4BAAuB,AAAvB,6BAAuB,AAAvB,qBAAuB,CAC1B,eAGG,oBACA,AADA,aACA,8BACA,AADA,6BACA,AADA,mBACA,yBACA,AADA,8BACA,gBAAkB,CACrB,cAGG,oBACA,AADA,aACA,yBAAoB,AAApB,kBAAoB,CACvB,kBAGG,gBAAkB,CACrB,iBAGG,qBACA,WAAa,CAChB,aAGG,eACA,yBAA2B,CAC9B,OAGG,eAAiB,CACpB,cAGG,eAAiB,CACpB,WAGG,eACA,cACA,iBAAmB,CACtB,sBAGG,cAAgB,CACnB,sBAGG,iBACA,cAAgB,CACnB,KClEG,6JAWe,CAClB,EAGG,qBACA,wBACA,UAAY,CACf,gBAGG,kBAAoB,CACvB,MAGG,WACA,UAAY,CACf,OAGG,iBACA,iBAAmB,CACtB,WAGG,kBAAoB,CACvB,UAGG,YACA,WAAa,CAChB,YC1CG,WACA,YACA,oBACA,AADA,aACA,8BACA,AADA,6BACA,AADA,mBACA,yBACA,AADA,8BACA,yBAAoB,AAApB,kBAAoB,CACvB,eAGG,oBAAsB,CACzB,SCVG,oBACA,AADA,aACA,4BAAuB,AAAvB,6BAAuB,AAAvB,qBAAuB,CAC1B,0BAGG,aACI,oBACA,AADA,aACA,8BACA,AADA,6BACA,AADA,mBACA,cAAgB,CACnB,CAGL,0BACI,sBACI,UAAY,CACf,CAGL,eACI,UACA,oBACA,gBAAkB,CACrB,oDAIG,mBAAQ,AAAR,MAAQ,CACX,kBAGG,qBAAuB,CAC1B,QAGG,mBAAqB,CACxB,KCnCG,eACA,YAAc,CACjB,QAGG,y4HACA,wBACA,WACA,WAAa,CAChB,UAGG,kBACA,MACA,OACA,iBACA,cAAgB,CACnB,gBAGG,gBACA,gBAAkB,CACrB,SCtBG,oBACA,AADA,aACA,8BACA,AADA,6BACA,AADA,mBACA,eACA,6BAA+B,CAClC,aAGG,oBACA,YACA,YAAc,CACjB","file":"app.css"}
\ No newline at end of file
+{"version":3,"sources":["../../../resources/assets/sass/app.scss","../../../resources/assets/sass/layout.scss","../../../resources/assets/sass/styles.scss","../../../resources/assets/sass/pagination.scss","../../../resources/assets/sass/note-form.scss","../../../resources/assets/sass/mapbox.scss","../../../resources/assets/sass/contacts.scss"],"names":[],"mappings":"AAIA,KACI,sBACA,cAAe,CAClB,qBAKG,kBAAmB,CACtB,KCVG,eACA,cACA,iBACA,kBACA,oBAAqB,CACxB,WAGG,iBAAkB,CACrB,SAGG,gBAAiB,CACpB,MAGG,oBACA,AADA,aACA,4BAAsB,AAAtB,6BAAsB,AAAtB,qBAAsB,CACzB,eAGG,oBACA,AADA,aACA,8BACA,AADA,6BACA,AADA,mBACA,yBACA,AADA,8BACA,gBAAiB,CACpB,cAGG,oBACA,AADA,aACA,yBAAmB,AAAnB,kBAAmB,CACtB,kBAGG,gBAAiB,CACpB,iBAGG,qBACA,WAAY,CACf,aAGG,eACA,yBAA0B,CAC7B,OAGG,eAAgB,CACnB,cAGG,eAAgB,CACnB,WAGG,eACA,cACA,iBAAkB,CACrB,sBAGG,cAAe,CAClB,sBAGG,iBACA,cAAe,CAClB,KClEG,6JAWc,CACjB,EAGG,qBACA,wBACA,UAAW,CACd,gBAGG,kBAAmB,CACtB,MAGG,WACA,UAAW,CACd,OAGG,iBACA,iBAAkB,CACrB,WAGG,kBAAmB,CACtB,UAGG,YACA,WAAY,CACf,YC1CG,WACA,YACA,oBACA,AADA,aACA,8BACA,AADA,6BACA,AADA,mBACA,yBACA,AADA,8BACA,yBAAmB,AAAnB,kBAAmB,CACtB,eAGG,oBAAqB,CACxB,SCVG,oBACA,AADA,aACA,4BAAsB,AAAtB,6BAAsB,AAAtB,qBAAsB,CACzB,0BAGG,aACI,oBACA,AADA,aACA,8BACA,AADA,6BACA,AADA,mBACA,cAAe,CAClB,CAGL,0BACI,sBACI,UAAW,CACd,CAGL,eACI,UACA,oBACA,gBAAiB,CACpB,oDAIG,mBAAO,AAAP,MAAO,CACV,kBAGG,qBAAsB,CACzB,QAGG,mBAAoB,CACvB,KCnCG,eACA,YAAa,CAChB,QAGG,y4HACA,wBACA,WACA,WAAY,CACf,UAGG,kBACA,MACA,OACA,iBACA,cAAe,CAClB,gBAGG,gBACA,gBAAiB,CACpB,SCtBG,oBACA,AADA,aACA,8BACA,AADA,6BACA,AADA,mBACA,eACA,6BAA8B,CACjC,aAGG,oBACA,YACA,YAAa,CAChB","file":"app.css"}
\ No newline at end of file
diff --git a/public/assets/frontend/Autolinker.min.js b/public/assets/frontend/Autolinker.min.js
deleted file mode 100644
index a2b38921..00000000
--- a/public/assets/frontend/Autolinker.min.js
+++ /dev/null
@@ -1,10 +0,0 @@
-/*!
- * Autolinker.js
- * 1.4.0
- *
- * Copyright(c) 2016 Gregory Jacobs <greg@greg-jacobs.com>
- * MIT License
- *
- * https://github.com/gregjacobs/Autolinker.js
- */
-!function(t,e){"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?module.exports=e():t.Autolinker=e()}(this,function(){var t=function(e){e=e||{},this.version=t.version,this.urls=this.normalizeUrlsCfg(e.urls),this.email="boolean"!=typeof e.email||e.email,this.phone="boolean"!=typeof e.phone||e.phone,this.hashtag=e.hashtag||!1,this.mention=e.mention||!1,this.newWindow="boolean"!=typeof e.newWindow||e.newWindow,this.stripPrefix=this.normalizeStripPrefixCfg(e.stripPrefix),this.stripTrailingSlash="boolean"!=typeof e.stripTrailingSlash||e.stripTrailingSlash;var r=this.mention;if(r!==!1&&"twitter"!==r&&"instagram"!==r)throw new Error("invalid `mention` cfg - see docs");var a=this.hashtag;if(a!==!1&&"twitter"!==a&&"facebook"!==a&&"instagram"!==a)throw new Error("invalid `hashtag` cfg - see docs");this.truncate=this.normalizeTruncateCfg(e.truncate),this.className=e.className||"",this.replaceFn=e.replaceFn||null,this.context=e.context||this,this.htmlParser=null,this.matchers=null,this.tagBuilder=null};return t.link=function(e,r){var a=new t(r);return a.link(e)},t.parse=function(e,r){var a=new t(r);return a.parse(e)},t.version="1.4.0",t.prototype={constructor:t,normalizeUrlsCfg:function(t){return null==t&&(t=!0),"boolean"==typeof t?{schemeMatches:t,wwwMatches:t,tldMatches:t}:{schemeMatches:"boolean"!=typeof t.schemeMatches||t.schemeMatches,wwwMatches:"boolean"!=typeof t.wwwMatches||t.wwwMatches,tldMatches:"boolean"!=typeof t.tldMatches||t.tldMatches}},normalizeStripPrefixCfg:function(t){return null==t&&(t=!0),"boolean"==typeof t?{scheme:t,www:t}:{scheme:"boolean"!=typeof t.scheme||t.scheme,www:"boolean"!=typeof t.www||t.www}},normalizeTruncateCfg:function(e){return"number"==typeof e?{length:e,location:"end"}:t.Util.defaults(e||{},{length:Number.POSITIVE_INFINITY,location:"end"})},parse:function(t){for(var e=this.getHtmlParser(),r=e.parse(t),a=0,n=[],i=0,s=r.length;i<s;i++){var o=r[i],c=o.getType();if("element"===c&&"a"===o.getTagName())o.isClosing()?a=Math.max(a-1,0):a++;else if("text"===c&&0===a){var h=this.parseText(o.getText(),o.getOffset());n.push.apply(n,h)}}return n=this.compactMatches(n),n=this.removeUnwantedMatches(n)},compactMatches:function(t){t.sort(function(t,e){return t.getOffset()-e.getOffset()});for(var e=0;e<t.length-1;e++)for(var r=t[e],a=r.getOffset()+r.getMatchedText().length;e+1<t.length&&t[e+1].getOffset()<=a;)t.splice(e+1,1);return t},removeUnwantedMatches:function(e){var r=t.Util.remove;return 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r.push(t.substring(a)),r.join("")},createMatchReturnVal:function(e){var r;if(this.replaceFn&&(r=this.replaceFn.call(this.context,e)),"string"==typeof r)return r;if(r===!1)return e.getMatchedText();if(r instanceof t.HtmlTag)return r.toAnchorString();var a=e.buildTag();return a.toAnchorString()},getHtmlParser:function(){var e=this.htmlParser;return e||(e=this.htmlParser=new t.htmlParser.HtmlParser),e},getMatchers:function(){if(this.matchers)return this.matchers;var e=t.matcher,r=this.getTagBuilder(),a=[new e.Hashtag({tagBuilder:r,serviceName:this.hashtag}),new e.Email({tagBuilder:r}),new e.Phone({tagBuilder:r}),new e.Mention({tagBuilder:r,serviceName:this.mention}),new e.Url({tagBuilder:r,stripPrefix:this.stripPrefix,stripTrailingSlash:this.stripTrailingSlash})];return this.matchers=a},getTagBuilder:function(){var e=this.tagBuilder;return e||(e=this.tagBuilder=new t.AnchorTagBuilder({newWindow:this.newWindow,truncate:this.truncate,className:this.className})),e}},t.match={},t.matcher={},t.htmlParser={},t.truncate={},t.Util={abstractMethod:function(){throw"abstract"},trimRegex:/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,assign:function(t,e){for(var r in e)e.hasOwnProperty(r)&&(t[r]=e[r]);return t},defaults:function(t,e){for(var r in e)e.hasOwnProperty(r)&&void 0===t[r]&&(t[r]=e[r]);return t},extend:function(e,r){var a=e.prototype,n=function(){};n.prototype=a;var i;i=r.hasOwnProperty("constructor")?r.constructor:function(){a.constructor.apply(this,arguments)};var s=i.prototype=new n;return s.constructor=i,s.superclass=a,delete r.constructor,t.Util.assign(s,r),i},ellipsis:function(t,e,r){var a;return t.length>e&&(null==r?(r="&hellip;",a=3):a=r.length,t=t.substring(0,e-a)+r),t},indexOf:function(t,e){if(Array.prototype.indexOf)return t.indexOf(e);for(var r=0,a=t.length;r<a;r++)if(t[r]===e)return r;return-1},remove:function(t,e){for(var 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new t.HtmlTag({tagName:"a",attrs:this.createAttrs(e),innerHtml:this.processAnchorText(e.getAnchorText())})},createAttrs:function(t){var e={href:t.getAnchorHref()},r=this.createCssClass(t);return r&&(e["class"]=r),this.newWindow&&(e.target="_blank",e.rel="noopener noreferrer"),this.truncate&&this.truncate.length&&this.truncate.length<t.getAnchorText().length&&(e.title=t.getAnchorHref()),e},createCssClass:function(t){var e=this.className;if(e){for(var r=[e],a=t.getCssClassSuffixes(),n=0,i=a.length;n<i;n++)r.push(e+"-"+a[n]);return r.join(" ")}return""},processAnchorText:function(t){return t=this.doTruncate(t)},doTruncate:function(e){var r=this.truncate;if(!r||!r.length)return e;var a=r.length,n=r.location;return"smart"===n?t.truncate.TruncateSmart(e,a):"middle"===n?t.truncate.TruncateMiddle(e,a):t.truncate.TruncateEnd(e,a)}}),t.htmlParser.HtmlParser=t.Util.extend(Object,{htmlRegex:function(){var t=/!--([\s\S]+?)--/,e=/[0-9a-zA-Z][0-9a-zA-Z:]*/,r=/[^\s"'>\/=\x00-\x1F\x7F]+/,a=/(?:"[^"]*?"|'[^']*?'|[^'"=<>`\s]+)/,n=r.source+"(?:\\s*=\\s*"+a.source+")?";return new RegExp(["(?:","<(!DOCTYPE)","(?:","\\s+","(?:",n,"|",a.source+")",")*",">",")","|","(?:","<(/)?","(?:",t.source,"|","(?:","("+e.source+")","\\s*/?",")","|","(?:","("+e.source+")","\\s+","(?:","(?:\\s+|\\b)",n,")*","\\s*/?",")",")",">",")"].join(""),"gi")}(),htmlCharacterEntitiesRegex:/(&nbsp;|&#160;|&lt;|&#60;|&gt;|&#62;|&quot;|&#34;|&#39;)/gi,parse:function(t){for(var e,r,a=this.htmlRegex,n=0,i=[];null!==(e=a.exec(t));){var s=e[0],o=e[3],c=e[1]||e[4]||e[5],h=!!e[2],l=e.index,u=t.substring(n,l);u&&(r=this.parseTextAndEntityNodes(n,u),i.push.apply(i,r)),o?i.push(this.createCommentNode(l,s,o)):i.push(this.createElementNode(l,s,c,h)),n=l+s.length}if(n<t.length){var g=t.substring(n);g&&(r=this.parseTextAndEntityNodes(n,g),r.forEach(function(t){i.push(t)}))}return i},parseTextAndEntityNodes:function(e,r){for(var a=[],n=t.Util.splitAndCapture(r,this.htmlCharacterEntitiesRegex),i=0,s=n.length;i<s;i+=2){var o=n[i],c=n[i+1];o&&(a.push(this.createTextNode(e,o)),e+=o.length),c&&(a.push(this.createEntityNode(e,c)),e+=c.length)}return a},createCommentNode:function(e,r,a){return new t.htmlParser.CommentNode({offset:e,text:r,comment:t.Util.trim(a)})},createElementNode:function(e,r,a,n){return new t.htmlParser.ElementNode({offset:e,text:r,tagName:a.toLowerCase(),closing:n})},createEntityNode:function(e,r){return new t.htmlParser.EntityNode({offset:e,text:r})},createTextNode:function(e,r){return new t.htmlParser.TextNode({offset:e,text:r})}}),t.htmlParser.HtmlNode=t.Util.extend(Object,{offset:void 0,text:void 0,constructor:function(e){t.Util.assign(this,e)},getType:t.Util.abstractMethod,getOffset:function(){return this.offset},getText:function(){return this.text}}),t.htmlParser.CommentNode=t.Util.extend(t.htmlParser.HtmlNode,{comment:"",getType:function(){return"comment"},getComment:function(){return this.comment}}),t.htmlParser.ElementNode=t.Util.extend(t.htmlParser.HtmlNode,{tagName:"",closing:!1,getType:function(){return"element"},getTagName:function(){return this.tagName},isClosing:function(){return this.closing}}),t.htmlParser.EntityNode=t.Util.extend(t.htmlParser.HtmlNode,{getType:function(){return"entity"}}),t.htmlParser.TextNode=t.Util.extend(t.htmlParser.HtmlNode,{getType:function(){return"text"}}),t.match.Match=t.Util.extend(Object,{constructor:function(t){this.tagBuilder=t.tagBuilder,this.matchedText=t.matchedText,this.offset=t.offset},getType:t.Util.abstractMethod,getMatchedText:function(){return this.matchedText},setOffset:function(t){this.offset=t},getOffset:function(){return this.offset},getAnchorHref:t.Util.abstractMethod,getAnchorText:t.Util.abstractMethod,getCssClassSuffixes:function(){return[this.getType()]},buildTag:function(){return this.tagBuilder.build(this)}}),t.match.Email=t.Util.extend(t.match.Match,{constructor:function(e){t.match.Match.prototype.constructor.call(this,e),this.email=e.email},getType:function(){return"email"},getEmail:function(){return this.email},getAnchorHref:function(){return"mailto:"+this.email},getAnchorText:function(){return this.email}}),t.match.Hashtag=t.Util.extend(t.match.Match,{constructor:function(e){t.match.Match.prototype.constructor.call(this,e),this.serviceName=e.serviceName,this.hashtag=e.hashtag},getType:function(){return"hashtag"},getServiceName:function(){return this.serviceName},getHashtag:function(){return this.hashtag},getAnchorHref:function(){var t=this.serviceName,e=this.hashtag;switch(t){case"twitter":return"https://twitter.com/hashtag/"+e;case"facebook":return"https://www.facebook.com/hashtag/"+e;case"instagram":return"https://instagram.com/explore/tags/"+e;default:throw new Error("Unknown service name to point hashtag to: ",t)}},getAnchorText:function(){return"#"+this.hashtag}}),t.match.Phone=t.Util.extend(t.match.Match,{constructor:function(e){t.match.Match.prototype.constructor.call(this,e),this.number=e.number,this.plusSign=e.plusSign},getType:function(){return"phone"},getNumber:function(){return this.number},getAnchorHref:function(){return"tel:"+(this.plusSign?"+":"")+this.number},getAnchorText:function(){return this.matchedText}}),t.match.Mention=t.Util.extend(t.match.Match,{constructor:function(e){t.match.Match.prototype.constructor.call(this,e),this.mention=e.mention,this.serviceName=e.serviceName},getType:function(){return"mention"},getMention:function(){return this.mention},getServiceName:function(){return this.serviceName},getAnchorHref:function(){switch(this.serviceName){case"twitter":return"https://twitter.com/"+this.mention;case"instagram":return"https://instagram.com/"+this.mention;default:throw new Error("Unknown service name to point mention to: ",this.serviceName)}},getAnchorText:function(){return"@"+this.mention},getCssClassSuffixes:function(){var e=t.match.Match.prototype.getCssClassSuffixes.call(this),r=this.getServiceName();return r&&e.push(r),e}}),t.match.Url=t.Util.extend(t.match.Match,{constructor:function(e){t.match.Match.prototype.constructor.call(this,e),this.urlMatchType=e.urlMatchType,this.url=e.url,this.protocolUrlMatch=e.protocolUrlMatch,this.protocolRelativeMatch=e.protocolRelativeMatch,this.stripPrefix=e.stripPrefix,this.stripTrailingSlash=e.stripTrailingSlash},schemePrefixRegex:/^(https?:\/\/)?/i,wwwPrefixRegex:/^(https?:\/\/)?(www\.)?/i,protocolRelativeRegex:/^\/\//,protocolPrepended:!1,getType:function(){return"url"},getUrlMatchType:function(){return this.urlMatchType},getUrl:function(){var t=this.url;return this.protocolRelativeMatch||this.protocolUrlMatch||this.protocolPrepended||(t=this.url="http://"+t,this.protocolPrepended=!0),t},getAnchorHref:function(){var t=this.getUrl();return t.replace(/&amp;/g,"&")},getAnchorText:function(){var t=this.getMatchedText();return this.protocolRelativeMatch&&(t=this.stripProtocolRelativePrefix(t)),this.stripPrefix.scheme&&(t=this.stripSchemePrefix(t)),this.stripPrefix.www&&(t=this.stripWwwPrefix(t)),this.stripTrailingSlash&&(t=this.removeTrailingSlash(t)),t},stripSchemePrefix:function(t){return t.replace(this.schemePrefixRegex,"")},stripWwwPrefix:function(t){return t.replace(this.wwwPrefixRegex,"$1")},stripProtocolRelativePrefix:function(t){return t.replace(this.protocolRelativeRegex,"")},removeTrailingSlash:function(t){return"/"===t.charAt(t.length-1)&&(t=t.slice(0,-1)),t}}),t.matcher.Matcher=t.Util.extend(Object,{constructor:function(t){this.tagBuilder=t.tagBuilder},parseMatches:t.Util.abstractMethod}),t.matcher.Email=t.Util.extend(t.matcher.Matcher,{matcherRegex:function(){var e=t.RegexLib.alphaNumericCharsStr,r=new RegExp("["+e+"\\-_';:&=+$.,]+@"),a=t.RegexLib.domainNameRegex,n=t.RegexLib.tldRegex;return new RegExp([r.source,a.source,"\\.",n.source].join(""),"gi")}(),parseMatches:function(e){for(var r,a=this.matcherRegex,n=this.tagBuilder,i=[];null!==(r=a.exec(e));){var s=r[0];i.push(new t.match.Email({tagBuilder:n,matchedText:s,offset:r.index,email:s}))}return i}}),t.matcher.Hashtag=t.Util.extend(t.matcher.Matcher,{matcherRegex:new RegExp("#[_"+t.RegexLib.alphaNumericCharsStr+"]{1,139}","g"),nonWordCharRegex:new RegExp("[^"+t.RegexLib.alphaNumericCharsStr+"]"),constructor:function(e){t.matcher.Matcher.prototype.constructor.call(this,e),this.serviceName=e.serviceName},parseMatches:function(e){for(var r,a=this.matcherRegex,n=this.nonWordCharRegex,i=this.serviceName,s=this.tagBuilder,o=[];null!==(r=a.exec(e));){var c=r.index,h=e.charAt(c-1);if(0===c||n.test(h)){var l=r[0],u=r[0].slice(1);o.push(new t.match.Hashtag({tagBuilder:s,matchedText:l,offset:c,serviceName:i,hashtag:u}))}}return o}}),t.matcher.Phone=t.Util.extend(t.matcher.Matcher,{matcherRegex:/(?:(\+)?\d{1,3}[-\040.])?\(?\d{3}\)?[-\040.]?\d{3}[-\040.]\d{4}/g,parseMatches:function(e){for(var r,a=this.matcherRegex,n=this.tagBuilder,i=[];null!==(r=a.exec(e));){var s=r[0],o=s.replace(/\D/g,""),c=!!r[1];i.push(new t.match.Phone({tagBuilder:n,matchedText:s,offset:r.index,number:o,plusSign:c}))}return i}}),t.matcher.Mention=t.Util.extend(t.matcher.Matcher,{matcherRegexes:{twitter:new RegExp("@[_"+t.RegexLib.alphaNumericCharsStr+"]{1,20}","g"),instagram:new RegExp("@[_."+t.RegexLib.alphaNumericCharsStr+"]{1,50}","g")},nonWordCharRegex:new RegExp("[^"+t.RegexLib.alphaNumericCharsStr+"]"),constructor:function(e){t.matcher.Matcher.prototype.constructor.call(this,e),this.serviceName=e.serviceName},parseMatches:function(e){var r,a=this.matcherRegexes[this.serviceName],n=this.nonWordCharRegex,i=this.serviceName,s=this.tagBuilder,o=[];if(!a)return o;for(;null!==(r=a.exec(e));){var c=r.index,h=e.charAt(c-1);if(0===c||n.test(h)){var l=r[0].replace(/\.+$/g,""),u=l.slice(1);o.push(new t.match.Mention({tagBuilder:s,matchedText:l,offset:c,serviceName:i,mention:u}))}}return o}}),t.matcher.Url=t.Util.extend(t.matcher.Matcher,{matcherRegex:function(){var e=/(?:[A-Za-z][-.+A-Za-z0-9]*:(?![A-Za-z][-.+A-Za-z0-9]*:\/\/)(?!\d+\/?)(?:\/\/)?)/,r=/(?:www\.)/,a=t.RegexLib.domainNameRegex,n=t.RegexLib.tldRegex,i=t.RegexLib.alphaNumericCharsStr,s=new RegExp("["+i+"\\-+&@#/%=~_()|'$*\\[\\]?!:,.;✓]*["+i+"\\-+&@#/%=~_()|'$*\\[\\]✓]");return new RegExp(["(?:","(",e.source,a.source,")","|","(","(//)?",r.source,a.source,")","|","(","(//)?",a.source+"\\.",n.source,")",")","(?:"+s.source+")?"].join(""),"gi")}(),wordCharRegExp:/\w/,openParensRe:/\(/g,closeParensRe:/\)/g,constructor:function(e){t.matcher.Matcher.prototype.constructor.call(this,e),this.stripPrefix=e.stripPrefix,this.stripTrailingSlash=e.stripTrailingSlash},parseMatches:function(e){for(var r,a=this.matcherRegex,n=this.stripPrefix,i=this.stripTrailingSlash,s=this.tagBuilder,o=[];null!==(r=a.exec(e));){var c=r[0],h=r[1],l=r[2],u=r[3],g=r[5],m=r.index,f=u||g,p=e.charAt(m-1);if(t.matcher.UrlMatchValidator.isValid(c,h)&&!(m>0&&"@"===p||m>0&&f&&this.wordCharRegExp.test(p))){if(this.matchHasUnbalancedClosingParen(c))c=c.substr(0,c.length-1);else{var d=this.matchHasInvalidCharAfterTld(c,h);d>-1&&(c=c.substr(0,d))}var b=h?"scheme":l?"www":"tld",x=!!h;o.push(new t.match.Url({tagBuilder:s,matchedText:c,offset:m,urlMatchType:b,url:c,protocolUrlMatch:x,protocolRelativeMatch:!!f,stripPrefix:n,stripTrailingSlash:i}))}}return o},matchHasUnbalancedClosingParen:function(t){var e=t.charAt(t.length-1);if(")"===e){var r=t.match(this.openParensRe),a=t.match(this.closeParensRe),n=r&&r.length||0,i=a&&a.length||0;if(n<i)return!0}return!1},matchHasInvalidCharAfterTld:function(t,e){if(!t)return-1;var r=0;e&&(r=t.indexOf(":"),t=t.slice(r));var a=/^((.?\/\/)?[A-Za-z0-9\u00C0-\u017F\.\-]*[A-Za-z0-9\u00C0-\u017F\-]\.[A-Za-z]+)/,n=a.exec(t);return null===n?-1:(r+=n[1].length,t=t.slice(n[1].length),/^[^.A-Za-z0-9:\/?#]/.test(t)?r:-1)}}),t.matcher.UrlMatchValidator={hasFullProtocolRegex:/^[A-Za-z][-.+A-Za-z0-9]*:\/\//,uriSchemeRegex:/^[A-Za-z][-.+A-Za-z0-9]*:/,hasWordCharAfterProtocolRegex:/:[^\s]*?[A-Za-z\u00C0-\u017F]/,ipRegex:/[0-9][0-9]?[0-9]?\.[0-9][0-9]?[0-9]?\.[0-9][0-9]?[0-9]?\.[0-9][0-9]?[0-9]?(:[0-9]*)?\/?$/,isValid:function(t,e){return!(e&&!this.isValidUriScheme(e)||this.urlMatchDoesNotHaveProtocolOrDot(t,e)||this.urlMatchDoesNotHaveAtLeastOneWordChar(t,e)&&!this.isValidIpAddress(t)||this.containsMultipleDots(t))},isValidIpAddress:function(t){var e=new RegExp(this.hasFullProtocolRegex.source+this.ipRegex.source),r=t.match(e);return null!==r},containsMultipleDots:function(t){return t.indexOf("..")>-1},isValidUriScheme:function(t){var e=t.match(this.uriSchemeRegex)[0].toLowerCase();return"javascript:"!==e&&"vbscript:"!==e},urlMatchDoesNotHaveProtocolOrDot:function(t,e){return!(!t||e&&this.hasFullProtocolRegex.test(e)||t.indexOf(".")!==-1)},urlMatchDoesNotHaveAtLeastOneWordChar:function(t,e){return!(!t||!e)&&!this.hasWordCharAfterProtocolRegex.test(t)}},t.truncate.TruncateEnd=function(e,r,a){return t.Util.ellipsis(e,r,a)},t.truncate.TruncateMiddle=function(t,e,r){if(t.length<=e)return t;var a,n;null==r?(r="&hellip;",a=8,n=3):(a=r.length,n=r.length);var i=e-n,s="";return i>0&&(s=t.substr(-1*Math.floor(i/2))),(t.substr(0,Math.ceil(i/2))+r+s).substr(0,i+a)},t.truncate.TruncateSmart=function(t,e,r){var a,n;null==r?(r="&hellip;",n=3,a=8):(n=r.length,a=r.length);var i=function(t){var e={},r=t,a=r.match(/^([a-z]+):\/\//i);return a&&(e.scheme=a[1],r=r.substr(a[0].length)),a=r.match(/^(.*?)(?=(\?|#|\/|$))/i),a&&(e.host=a[1],r=r.substr(a[0].length)),a=r.match(/^\/(.*?)(?=(\?|#|$))/i),a&&(e.path=a[1],r=r.substr(a[0].length)),a=r.match(/^\?(.*?)(?=(#|$))/i),a&&(e.query=a[1],r=r.substr(a[0].length)),a=r.match(/^#(.*?)$/i),a&&(e.fragment=a[1]),e},s=function(t){var e="";return t.scheme&&t.host&&(e+=t.scheme+"://"),t.host&&(e+=t.host),t.path&&(e+="/"+t.path),t.query&&(e+="?"+t.query),t.fragment&&(e+="#"+t.fragment),e},o=function(t,e){var a=e/2,n=Math.ceil(a),i=-1*Math.floor(a),s="";return i<0&&(s=t.substr(i)),t.substr(0,n)+r+s};if(t.length<=e)return t;var c=e-n,h=i(t);if(h.query){var l=h.query.match(/^(.*?)(?=(\?|\#))(.*?)$/i);l&&(h.query=h.query.substr(0,l[1].length),t=s(h))}if(t.length<=e)return t;if(h.host&&(h.host=h.host.replace(/^www\./,""),t=s(h)),t.length<=e)return t;var u="";if(h.host&&(u+=h.host),u.length>=c)return h.host.length==e?(h.host.substr(0,e-n)+r).substr(0,c+a):o(u,c).substr(0,c+a);var g="";if(h.path&&(g+="/"+h.path),h.query&&(g+="?"+h.query),g){if((u+g).length>=c){if((u+g).length==e)return(u+g).substr(0,e);var m=c-u.length;return(u+o(g,m)).substr(0,c+a)}u+=g}if(h.fragment){var f="#"+h.fragment;if((u+f).length>=c){if((u+f).length==e)return(u+f).substr(0,e);var p=c-u.length;return(u+o(f,p)).substr(0,c+a)}u+=f}if(h.scheme&&h.host){var d=h.scheme+"://";if((u+d).length<c)return(d+u).substr(0,e)}if(u.length<=e)return u;var b="";return c>0&&(b=u.substr(-1*Math.floor(c/2))),(u.substr(0,Math.ceil(c/2))+r+b).substr(0,c+a)},t});
\ No newline at end of file
diff --git a/public/assets/frontend/Autolinker.min.js.br b/public/assets/frontend/Autolinker.min.js.br
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diff --git a/public/assets/frontend/Autolinker.min.js.gz b/public/assets/frontend/Autolinker.min.js.gz
deleted file mode 100644
index 113c6fdd..00000000
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diff --git a/public/assets/frontend/alertify.css b/public/assets/frontend/alertify.css
deleted file mode 100644
index a49a7e6a..00000000
--- a/public/assets/frontend/alertify.css
+++ /dev/null
@@ -1 +0,0 @@
-.alertify-logs>*{padding:12px 24px;color:#fff;box-shadow:0 2px 5px 0 rgba(0,0,0,.2);border-radius:1px}.alertify-logs>*,.alertify-logs>.default{background:rgba(0,0,0,.8)}.alertify-logs>.error{background:rgba(244,67,54,.8)}.alertify-logs>.success{background:rgba(76,175,80,.9)}.alertify{position:fixed;background-color:rgba(0,0,0,.3);left:0;right:0;top:0;bottom:0;width:100%;height:100%;z-index:1}.alertify.hide{opacity:0;pointer-events:none}.alertify,.alertify.show{box-sizing:border-box;transition:all .33s cubic-bezier(.25,.8,.25,1)}.alertify,.alertify *{box-sizing:border-box}.alertify .dialog{padding:12px}.alertify .alert,.alertify .dialog{width:100%;margin:0 auto;position:relative;top:50%;transform:translateY(-50%)}.alertify .alert>*,.alertify .dialog>*{width:400px;max-width:95%;margin:0 auto;text-align:center;padding:12px;background:#fff;box-shadow:0 2px 4px -1px rgba(0,0,0,.14),0 4px 5px 0 rgba(0,0,0,.098),0 1px 10px 0 rgba(0,0,0,.084)}.alertify .alert .msg,.alertify .dialog .msg{padding:12px;margin-bottom:12px;margin:0;text-align:left}.alertify .alert input:not(.form-control),.alertify .dialog input:not(.form-control){margin-bottom:15px;width:100%;font-size:100%;padding:12px}.alertify .alert input:not(.form-control):focus,.alertify .dialog input:not(.form-control):focus{outline-offset:-2px}.alertify .alert nav,.alertify .dialog nav{text-align:right}.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button),.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button){background:transparent;box-sizing:border-box;color:rgba(0,0,0,.87);position:relative;outline:0;border:0;display:inline-block;-ms-flex-align:center;-ms-grid-row-align:center;align-items:center;padding:0 6px;margin:6px 8px;line-height:36px;min-height:36px;white-space:nowrap;min-width:88px;text-align:center;text-transform:uppercase;font-size:14px;text-decoration:none;cursor:pointer;border:1px solid transparent;border-radius:2px}.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):active,.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):hover,.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):active,.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):hover{background-color:rgba(0,0,0,.05)}.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):focus,.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):focus{border:1px solid rgba(0,0,0,.1)}.alertify .alert nav button.btn,.alertify .dialog nav button.btn{margin:6px 4px}.alertify-logs{position:fixed;z-index:1}.alertify-logs.bottom,.alertify-logs:not(.top){bottom:16px}.alertify-logs.left,.alertify-logs:not(.right){left:16px}.alertify-logs.left>*,.alertify-logs:not(.right)>*{float:left;transform:translateZ(0);height:auto}.alertify-logs.left>.show,.alertify-logs:not(.right)>.show{left:0}.alertify-logs.left>*,.alertify-logs.left>.hide,.alertify-logs:not(.right)>*,.alertify-logs:not(.right)>.hide{left:-110%}.alertify-logs.right{right:16px}.alertify-logs.right>*{float:right;transform:translateZ(0)}.alertify-logs.right>.show{right:0;opacity:1}.alertify-logs.right>*,.alertify-logs.right>.hide{right:-110%;opacity:0}.alertify-logs.top{top:0}.alertify-logs>*{box-sizing:border-box;transition:all .4s cubic-bezier(.25,.8,.25,1);position:relative;clear:both;backface-visibility:hidden;perspective:1000;max-height:0;margin:0;padding:0;overflow:hidden;opacity:0;pointer-events:none}.alertify-logs>.show{margin-top:12px;opacity:1;max-height:1000px;padding:12px;pointer-events:auto}
\ No newline at end of file
diff --git a/public/assets/frontend/alertify.css.br b/public/assets/frontend/alertify.css.br
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diff --git a/public/assets/frontend/alertify.css.gz b/public/assets/frontend/alertify.css.gz
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diff --git a/public/assets/frontend/alertify.js b/public/assets/frontend/alertify.js
deleted file mode 100644
index 569a3f45..00000000
--- a/public/assets/frontend/alertify.js
+++ /dev/null
@@ -1 +0,0 @@
-!function(){"use strict";function t(){var t={parent:document.body,version:"1.0.12",defaultOkLabel:"Ok",okLabel:"Ok",defaultCancelLabel:"Cancel",cancelLabel:"Cancel",defaultMaxLogItems:2,maxLogItems:2,promptValue:"",promptPlaceholder:"",closeLogOnClick:!1,closeLogOnClickDefault:!1,delay:5e3,defaultDelay:5e3,logContainerClass:"alertify-logs",logContainerDefaultClass:"alertify-logs",dialogs:{buttons:{holder:"<nav>{{buttons}}</nav>",ok:"<button class='ok' tabindex='1'>{{ok}}</button>",cancel:"<button class='cancel' tabindex='2'>{{cancel}}</button>"},input:"<input type='text'>",message:"<p class='msg'>{{message}}</p>",log:"<div class='{{class}}'>{{message}}</div>"},defaultDialogs:{buttons:{holder:"<nav>{{buttons}}</nav>",ok:"<button class='ok' tabindex='1'>{{ok}}</button>",cancel:"<button class='cancel' tabindex='2'>{{cancel}}</button>"},input:"<input type='text'>",message:"<p class='msg'>{{message}}</p>",log:"<div class='{{class}}'>{{message}}</div>"},build:function(t){var e=this.dialogs.buttons.ok,o="<div class='dialog'><div>"+this.dialogs.message.replace("{{message}}",t.message);return"confirm"!==t.type&&"prompt"!==t.type||(e=this.dialogs.buttons.cancel+this.dialogs.buttons.ok),"prompt"===t.type&&(o+=this.dialogs.input),o=(o+this.dialogs.buttons.holder+"</div></div>").replace("{{buttons}}",e).replace("{{ok}}",this.okLabel).replace("{{cancel}}",this.cancelLabel)},setCloseLogOnClick:function(t){this.closeLogOnClick=!!t},close:function(t,e){this.closeLogOnClick&&t.addEventListener("click",function(){o(t)}),e=e&&!isNaN(+e)?+e:this.delay,0>e?o(t):e>0&&setTimeout(function(){o(t)},e)},dialog:function(t,e,o,n){return this.setup({type:e,message:t,onOkay:o,onCancel:n})},log:function(t,e,o){var n=document.querySelectorAll(".alertify-logs > div");if(n){var i=n.length-this.maxLogItems;if(i>=0)for(var a=0,l=i+1;l>a;a++)this.close(n[a],-1)}this.notify(t,e,o)},setLogPosition:function(t){this.logContainerClass="alertify-logs "+t},setupLogContainer:function(){var t=document.querySelector(".alertify-logs"),e=this.logContainerClass;return t||(t=document.createElement("div"),t.className=e,this.parent.appendChild(t)),t.className!==e&&(t.className=e),t},notify:function(e,o,n){var i=this.setupLogContainer(),a=document.createElement("div");a.className=o||"default",t.logTemplateMethod?a.innerHTML=t.logTemplateMethod(e):a.innerHTML=e,"function"==typeof n&&a.addEventListener("click",n),i.appendChild(a),setTimeout(function(){a.className+=" show"},10),this.close(a,this.delay)},setup:function(t){function e(e){"function"!=typeof e&&(e=function(){}),i&&i.addEventListener("click",function(i){t.onOkay&&"function"==typeof t.onOkay&&(l?t.onOkay(l.value,i):t.onOkay(i)),e(l?{buttonClicked:"ok",inputValue:l.value,event:i}:{buttonClicked:"ok",event:i}),o(n)}),a&&a.addEventListener("click",function(i){t.onCancel&&"function"==typeof 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this.cancelLabel=t,this},setMaxLogItems:function(t){this.maxLogItems=parseInt(t||this.defaultMaxLogItems)},theme:function(t){switch(t.toLowerCase()){case"bootstrap":this.dialogs.buttons.ok="<button class='ok btn btn-primary' tabindex='1'>{{ok}}</button>",this.dialogs.buttons.cancel="<button class='cancel btn btn-default' tabindex='2'>{{cancel}}</button>",this.dialogs.input="<input type='text' class='form-control'>";break;case"purecss":this.dialogs.buttons.ok="<button class='ok pure-button' tabindex='1'>{{ok}}</button>",this.dialogs.buttons.cancel="<button class='cancel pure-button' tabindex='2'>{{cancel}}</button>";break;case"mdl":case"material-design-light":this.dialogs.buttons.ok="<button class='ok mdl-button mdl-js-button mdl-js-ripple-effect'  tabindex='1'>{{ok}}</button>",this.dialogs.buttons.cancel="<button class='cancel mdl-button mdl-js-button mdl-js-ripple-effect' tabindex='2'>{{cancel}}</button>",this.dialogs.input="<div class='mdl-textfield mdl-js-textfield'><input class='mdl-textfield__input'><label class='md-textfield__label'></label></div>";break;case"angular-material":this.dialogs.buttons.ok="<button class='ok md-primary md-button' tabindex='1'>{{ok}}</button>",this.dialogs.buttons.cancel="<button class='cancel md-button' tabindex='2'>{{cancel}}</button>",this.dialogs.input="<div layout='column'><md-input-container md-no-float><input type='text'></md-input-container></div>";break;case"default":default:this.dialogs.buttons.ok=this.defaultDialogs.buttons.ok,this.dialogs.buttons.cancel=this.defaultDialogs.buttons.cancel,this.dialogs.input=this.defaultDialogs.input}},reset:function(){this.parent=document.body,this.theme("default"),this.okBtn(this.defaultOkLabel),this.cancelBtn(this.defaultCancelLabel),this.setMaxLogItems(),this.promptValue="",this.promptPlaceholder="",this.delay=this.defaultDelay,this.setCloseLogOnClick(this.closeLogOnClickDefault),this.setLogPosition("bottom left"),this.logTemplateMethod=null},injectCSS:function(){if(!document.querySelector("#alertifyCSS")){var t=document.getElementsByTagName("head")[0],e=document.createElement("style");e.type="text/css",e.id="alertifyCSS",e.innerHTML=".alertify-logs>*{padding:12px 24px;color:#fff;box-shadow:0 2px 5px 0 rgba(0,0,0,.2);border-radius:1px}.alertify-logs>*,.alertify-logs>.default{background:rgba(0,0,0,.8)}.alertify-logs>.error{background:rgba(244,67,54,.8)}.alertify-logs>.success{background:rgba(76,175,80,.9)}.alertify{position:fixed;background-color:rgba(0,0,0,.3);left:0;right:0;top:0;bottom:0;width:100%;height:100%;z-index:1}.alertify.hide{opacity:0;pointer-events:none}.alertify,.alertify.show{box-sizing:border-box;transition:all .33s cubic-bezier(.25,.8,.25,1)}.alertify,.alertify *{box-sizing:border-box}.alertify .dialog{padding:12px}.alertify .alert,.alertify .dialog{width:100%;margin:0 auto;position:relative;top:50%;transform:translateY(-50%)}.alertify .alert>*,.alertify .dialog>*{width:400px;max-width:95%;margin:0 auto;text-align:center;padding:12px;background:#fff;box-shadow:0 2px 4px -1px rgba(0,0,0,.14),0 4px 5px 0 rgba(0,0,0,.098),0 1px 10px 0 rgba(0,0,0,.084)}.alertify .alert .msg,.alertify .dialog .msg{padding:12px;margin-bottom:12px;margin:0;text-align:left}.alertify .alert input:not(.form-control),.alertify .dialog input:not(.form-control){margin-bottom:15px;width:100%;font-size:100%;padding:12px}.alertify .alert input:not(.form-control):focus,.alertify .dialog input:not(.form-control):focus{outline-offset:-2px}.alertify .alert nav,.alertify .dialog nav{text-align:right}.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button),.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button){background:transparent;box-sizing:border-box;color:rgba(0,0,0,.87);position:relative;outline:0;border:0;display:inline-block;-ms-flex-align:center;-ms-grid-row-align:center;align-items:center;padding:0 6px;margin:6px 8px;line-height:36px;min-height:36px;white-space:nowrap;min-width:88px;text-align:center;text-transform:uppercase;font-size:14px;text-decoration:none;cursor:pointer;border:1px solid transparent;border-radius:2px}.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):active,.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):hover,.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):active,.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):hover{background-color:rgba(0,0,0,.05)}.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):focus,.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):focus{border:1px solid rgba(0,0,0,.1)}.alertify .alert nav button.btn,.alertify .dialog nav button.btn{margin:6px 4px}.alertify-logs{position:fixed;z-index:1}.alertify-logs.bottom,.alertify-logs:not(.top){bottom:16px}.alertify-logs.left,.alertify-logs:not(.right){left:16px}.alertify-logs.left>*,.alertify-logs:not(.right)>*{float:left;transform:translateZ(0);height:auto}.alertify-logs.left>.show,.alertify-logs:not(.right)>.show{left:0}.alertify-logs.left>*,.alertify-logs.left>.hide,.alertify-logs:not(.right)>*,.alertify-logs:not(.right)>.hide{left:-110%}.alertify-logs.right{right:16px}.alertify-logs.right>*{float:right;transform:translateZ(0)}.alertify-logs.right>.show{right:0;opacity:1}.alertify-logs.right>*,.alertify-logs.right>.hide{right:-110%;opacity:0}.alertify-logs.top{top:0}.alertify-logs>*{box-sizing:border-box;transition:all .4s cubic-bezier(.25,.8,.25,1);position:relative;clear:both;backface-visibility:hidden;perspective:1000;max-height:0;margin:0;padding:0;overflow:hidden;opacity:0;pointer-events:none}.alertify-logs>.show{margin-top:12px;opacity:1;max-height:1000px;padding:12px;pointer-events:auto}",t.insertBefore(e,t.firstChild)}},removeCSS:function(){var t=document.querySelector("#alertifyCSS");t&&t.parentNode&&t.parentNode.removeChild(t)}};return t.injectCSS(),{_$$alertify:t,parent:function(e){t.parent=e},reset:function(){return t.reset(),this},alert:function(e,o,n){return t.dialog(e,"alert",o,n)||this},confirm:function(e,o,n){return t.dialog(e,"confirm",o,n)||this},prompt:function(e,o,n){return t.dialog(e,"prompt",o,n)||this},log:function(e,o){return t.log(e,"default",o),this},theme:function(e){return t.theme(e),this},success:function(e,o){return t.log(e,"success",o),this},error:function(e,o){return t.log(e,"error",o),this},cancelBtn:function(e){return t.cancelBtn(e),this},okBtn:function(e){return t.okBtn(e),this},delay:function(e){return t.setDelay(e),this},placeholder:function(e){return t.promptPlaceholder=e,this},defaultValue:function(e){return t.promptValue=e,this},maxLogItems:function(e){return t.setMaxLogItems(e),this},closeLogOnClick:function(e){return t.setCloseLogOnClick(!!e),this},logPosition:function(e){return t.setLogPosition(e||""),this},setLogTemplate:function(e){return t.logTemplateMethod=e,this},clearLogs:function(){return t.setupLogContainer().innerHTML="",this},version:t.version}}var e=500,o=function(t){if(t){var o=function(){t&&t.parentNode&&t.parentNode.removeChild(t)};t.classList.remove("show"),t.classList.add("hide"),t.addEventListener("transitionend",o),setTimeout(o,e)}};if("undefined"!=typeof module&&module&&module.exports){module.exports=function(){return new t};var n=new t;for(var i in n)module.exports[i]=n[i]}else"function"==typeof define&&define.amd?define(function(){return new t}):window.alertify=new t}();
\ No newline at end of file
diff --git a/public/assets/frontend/alertify.js.br b/public/assets/frontend/alertify.js.br
deleted file mode 100644
index 98ce9b14..00000000
Binary files a/public/assets/frontend/alertify.js.br and /dev/null differ
diff --git a/public/assets/frontend/alertify.js.gz b/public/assets/frontend/alertify.js.gz
deleted file mode 100644
index 291f3366..00000000
Binary files a/public/assets/frontend/alertify.js.gz and /dev/null differ
diff --git a/public/assets/frontend/fetch.js b/public/assets/frontend/fetch.js
deleted file mode 100644
index bc5227be..00000000
--- a/public/assets/frontend/fetch.js
+++ /dev/null
@@ -1,466 +0,0 @@
-(function(self) {
-  'use strict';
-
-  if (self.fetch) {
-    return
-  }
-
-  var support = {
-    searchParams: 'URLSearchParams' in self,
-    iterable: 'Symbol' in self && 'iterator' in Symbol,
-    blob: 'FileReader' in self && 'Blob' in self && (function() {
-      try {
-        new Blob()
-        return true
-      } catch(e) {
-        return false
-      }
-    })(),
-    formData: 'FormData' in self,
-    arrayBuffer: 'ArrayBuffer' in self
-  }
-
-  if (support.arrayBuffer) {
-    var viewClasses = [
-      '[object Int8Array]',
-      '[object Uint8Array]',
-      '[object Uint8ClampedArray]',
-      '[object Int16Array]',
-      '[object Uint16Array]',
-      '[object Int32Array]',
-      '[object Uint32Array]',
-      '[object Float32Array]',
-      '[object Float64Array]'
-    ]
-
-    var isDataView = function(obj) {
-      return obj && DataView.prototype.isPrototypeOf(obj)
-    }
-
-    var isArrayBufferView = ArrayBuffer.isView || function(obj) {
-      return obj && viewClasses.indexOf(Object.prototype.toString.call(obj)) > -1
-    }
-  }
-
-  function normalizeName(name) {
-    if (typeof name !== 'string') {
-      name = String(name)
-    }
-    if (/[^a-z0-9\-#$%&'*+.\^_`|~]/i.test(name)) {
-      throw new TypeError('Invalid character in header field name')
-    }
-    return name.toLowerCase()
-  }
-
-  function normalizeValue(value) {
-    if (typeof value !== 'string') {
-      value = String(value)
-    }
-    return value
-  }
-
-  // Build a destructive iterator for the value list
-  function iteratorFor(items) {
-    var iterator = {
-      next: function() {
-        var value = items.shift()
-        return {done: value === undefined, value: value}
-      }
-    }
-
-    if (support.iterable) {
-      iterator[Symbol.iterator] = function() {
-        return iterator
-      }
-    }
-
-    return iterator
-  }
-
-  function Headers(headers) {
-    this.map = {}
-
-    if (headers instanceof Headers) {
-      headers.forEach(function(value, name) {
-        this.append(name, value)
-      }, this)
-
-    } else if (headers) {
-      Object.getOwnPropertyNames(headers).forEach(function(name) {
-        this.append(name, headers[name])
-      }, this)
-    }
-  }
-
-  Headers.prototype.append = function(name, value) {
-    name = normalizeName(name)
-    value = normalizeValue(value)
-    var list = this.map[name]
-    if (!list) {
-      list = []
-      this.map[name] = list
-    }
-    list.push(value)
-  }
-
-  Headers.prototype['delete'] = function(name) {
-    delete this.map[normalizeName(name)]
-  }
-
-  Headers.prototype.get = function(name) {
-    var values = this.map[normalizeName(name)]
-    return values ? values[0] : null
-  }
-
-  Headers.prototype.getAll = function(name) {
-    return this.map[normalizeName(name)] || []
-  }
-
-  Headers.prototype.has = function(name) {
-    return this.map.hasOwnProperty(normalizeName(name))
-  }
-
-  Headers.prototype.set = function(name, value) {
-    this.map[normalizeName(name)] = [normalizeValue(value)]
-  }
-
-  Headers.prototype.forEach = function(callback, thisArg) {
-    Object.getOwnPropertyNames(this.map).forEach(function(name) {
-      this.map[name].forEach(function(value) {
-        callback.call(thisArg, value, name, this)
-      }, this)
-    }, this)
-  }
-
-  Headers.prototype.keys = function() {
-    var items = []
-    this.forEach(function(value, name) { items.push(name) })
-    return iteratorFor(items)
-  }
-
-  Headers.prototype.values = function() {
-    var items = []
-    this.forEach(function(value) { items.push(value) })
-    return iteratorFor(items)
-  }
-
-  Headers.prototype.entries = function() {
-    var items = []
-    this.forEach(function(value, name) { items.push([name, value]) })
-    return iteratorFor(items)
-  }
-
-  if (support.iterable) {
-    Headers.prototype[Symbol.iterator] = Headers.prototype.entries
-  }
-
-  function consumed(body) {
-    if (body.bodyUsed) {
-      return Promise.reject(new TypeError('Already read'))
-    }
-    body.bodyUsed = true
-  }
-
-  function fileReaderReady(reader) {
-    return new Promise(function(resolve, reject) {
-      reader.onload = function() {
-        resolve(reader.result)
-      }
-      reader.onerror = function() {
-        reject(reader.error)
-      }
-    })
-  }
-
-  function readBlobAsArrayBuffer(blob) {
-    var reader = new FileReader()
-    var promise = fileReaderReady(reader)
-    reader.readAsArrayBuffer(blob)
-    return promise
-  }
-
-  function readBlobAsText(blob) {
-    var reader = new FileReader()
-    var promise = fileReaderReady(reader)
-    reader.readAsText(blob)
-    return promise
-  }
-
-  function readArrayBufferAsText(buf) {
-    var view = new Uint8Array(buf)
-    var chars = new Array(view.length)
-
-    for (var i = 0; i < view.length; i++) {
-      chars[i] = String.fromCharCode(view[i])
-    }
-    return chars.join('')
-  }
-
-  function bufferClone(buf) {
-    if (buf.slice) {
-      return buf.slice(0)
-    } else {
-      var view = new Uint8Array(buf.byteLength)
-      view.set(new Uint8Array(buf))
-      return view.buffer
-    }
-  }
-
-  function Body() {
-    this.bodyUsed = false
-
-    this._initBody = function(body) {
-      this._bodyInit = body
-      if (!body) {
-        this._bodyText = ''
-      } else if (typeof body === 'string') {
-        this._bodyText = body
-      } else if (support.blob && Blob.prototype.isPrototypeOf(body)) {
-        this._bodyBlob = body
-      } else if (support.formData && FormData.prototype.isPrototypeOf(body)) {
-        this._bodyFormData = body
-      } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
-        this._bodyText = body.toString()
-      } else if (support.arrayBuffer && support.blob && isDataView(body)) {
-        this._bodyArrayBuffer = bufferClone(body.buffer)
-        // IE 10-11 can't handle a DataView body.
-        this._bodyInit = new Blob([this._bodyArrayBuffer])
-      } else if (support.arrayBuffer && (ArrayBuffer.prototype.isPrototypeOf(body) || isArrayBufferView(body))) {
-        this._bodyArrayBuffer = bufferClone(body)
-      } else {
-        throw new Error('unsupported BodyInit type')
-      }
-
-      if (!this.headers.get('content-type')) {
-        if (typeof body === 'string') {
-          this.headers.set('content-type', 'text/plain;charset=UTF-8')
-        } else if (this._bodyBlob && this._bodyBlob.type) {
-          this.headers.set('content-type', this._bodyBlob.type)
-        } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
-          this.headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8')
-        }
-      }
-    }
-
-    if (support.blob) {
-      this.blob = function() {
-        var rejected = consumed(this)
-        if (rejected) {
-          return rejected
-        }
-
-        if (this._bodyBlob) {
-          return Promise.resolve(this._bodyBlob)
-        } else if (this._bodyArrayBuffer) {
-          return Promise.resolve(new Blob([this._bodyArrayBuffer]))
-        } else if (this._bodyFormData) {
-          throw new Error('could not read FormData body as blob')
-        } else {
-          return Promise.resolve(new Blob([this._bodyText]))
-        }
-      }
-
-      this.arrayBuffer = function() {
-        if (this._bodyArrayBuffer) {
-          return consumed(this) || Promise.resolve(this._bodyArrayBuffer)
-        } else {
-          return this.blob().then(readBlobAsArrayBuffer)
-        }
-      }
-    }
-
-    this.text = function() {
-      var rejected = consumed(this)
-      if (rejected) {
-        return rejected
-      }
-
-      if (this._bodyBlob) {
-        return readBlobAsText(this._bodyBlob)
-      } else if (this._bodyArrayBuffer) {
-        return Promise.resolve(readArrayBufferAsText(this._bodyArrayBuffer))
-      } else if (this._bodyFormData) {
-        throw new Error('could not read FormData body as text')
-      } else {
-        return Promise.resolve(this._bodyText)
-      }
-    }
-
-    if (support.formData) {
-      this.formData = function() {
-        return this.text().then(decode)
-      }
-    }
-
-    this.json = function() {
-      return this.text().then(JSON.parse)
-    }
-
-    return this
-  }
-
-  // HTTP methods whose capitalization should be normalized
-  var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT']
-
-  function normalizeMethod(method) {
-    var upcased = method.toUpperCase()
-    return (methods.indexOf(upcased) > -1) ? upcased : method
-  }
-
-  function Request(input, options) {
-    options = options || {}
-    var body = options.body
-
-    if (typeof input === 'string') {
-      this.url = input
-    } else {
-      if (input.bodyUsed) {
-        throw new TypeError('Already read')
-      }
-      this.url = input.url
-      this.credentials = input.credentials
-      if (!options.headers) {
-        this.headers = new Headers(input.headers)
-      }
-      this.method = input.method
-      this.mode = input.mode
-      if (!body && input._bodyInit != null) {
-        body = input._bodyInit
-        input.bodyUsed = true
-      }
-    }
-
-    this.credentials = options.credentials || this.credentials || 'omit'
-    if (options.headers || !this.headers) {
-      this.headers = new Headers(options.headers)
-    }
-    this.method = normalizeMethod(options.method || this.method || 'GET')
-    this.mode = options.mode || this.mode || null
-    this.referrer = null
-
-    if ((this.method === 'GET' || this.method === 'HEAD') && body) {
-      throw new TypeError('Body not allowed for GET or HEAD requests')
-    }
-    this._initBody(body)
-  }
-
-  Request.prototype.clone = function() {
-    return new Request(this, { body: this._bodyInit })
-  }
-
-  function decode(body) {
-    var form = new FormData()
-    body.trim().split('&').forEach(function(bytes) {
-      if (bytes) {
-        var split = bytes.split('=')
-        var name = split.shift().replace(/\+/g, ' ')
-        var value = split.join('=').replace(/\+/g, ' ')
-        form.append(decodeURIComponent(name), decodeURIComponent(value))
-      }
-    })
-    return form
-  }
-
-  function parseHeaders(rawHeaders) {
-    var headers = new Headers()
-    rawHeaders.split('\r\n').forEach(function(line) {
-      var parts = line.split(':')
-      var key = parts.shift().trim()
-      if (key) {
-        var value = parts.join(':').trim()
-        headers.append(key, value)
-      }
-    })
-    return headers
-  }
-
-  Body.call(Request.prototype)
-
-  function Response(bodyInit, options) {
-    if (!options) {
-      options = {}
-    }
-
-    this.type = 'default'
-    this.status = 'status' in options ? options.status : 200
-    this.ok = this.status >= 200 && this.status < 300
-    this.statusText = 'statusText' in options ? options.statusText : 'OK'
-    this.headers = new Headers(options.headers)
-    this.url = options.url || ''
-    this._initBody(bodyInit)
-  }
-
-  Body.call(Response.prototype)
-
-  Response.prototype.clone = function() {
-    return new Response(this._bodyInit, {
-      status: this.status,
-      statusText: this.statusText,
-      headers: new Headers(this.headers),
-      url: this.url
-    })
-  }
-
-  Response.error = function() {
-    var response = new Response(null, {status: 0, statusText: ''})
-    response.type = 'error'
-    return response
-  }
-
-  var redirectStatuses = [301, 302, 303, 307, 308]
-
-  Response.redirect = function(url, status) {
-    if (redirectStatuses.indexOf(status) === -1) {
-      throw new RangeError('Invalid status code')
-    }
-
-    return new Response(null, {status: status, headers: {location: url}})
-  }
-
-  self.Headers = Headers
-  self.Request = Request
-  self.Response = Response
-
-  self.fetch = function(input, init) {
-    return new Promise(function(resolve, reject) {
-      var request = new Request(input, init)
-      var xhr = new XMLHttpRequest()
-
-      xhr.onload = function() {
-        var options = {
-          status: xhr.status,
-          statusText: xhr.statusText,
-          headers: parseHeaders(xhr.getAllResponseHeaders() || '')
-        }
-        options.url = 'responseURL' in xhr ? xhr.responseURL : options.headers.get('X-Request-URL')
-        var body = 'response' in xhr ? xhr.response : xhr.responseText
-        resolve(new Response(body, options))
-      }
-
-      xhr.onerror = function() {
-        reject(new TypeError('Network request failed'))
-      }
-
-      xhr.ontimeout = function() {
-        reject(new TypeError('Network request failed'))
-      }
-
-      xhr.open(request.method, request.url, true)
-
-      if (request.credentials === 'include') {
-        xhr.withCredentials = true
-      }
-
-      if ('responseType' in xhr && support.blob) {
-        xhr.responseType = 'blob'
-      }
-
-      request.headers.forEach(function(value, name) {
-        xhr.setRequestHeader(name, value)
-      })
-
-      xhr.send(typeof request._bodyInit === 'undefined' ? null : request._bodyInit)
-    })
-  }
-  self.fetch.polyfill = true
-})(typeof self !== 'undefined' ? self : this);
diff --git a/public/assets/frontend/fetch.js.br b/public/assets/frontend/fetch.js.br
deleted file mode 100644
index caf3fb19..00000000
Binary files a/public/assets/frontend/fetch.js.br and /dev/null differ
diff --git a/public/assets/frontend/fetch.js.gz b/public/assets/frontend/fetch.js.gz
deleted file mode 100644
index e00b2307..00000000
Binary files a/public/assets/frontend/fetch.js.gz and /dev/null differ
diff --git a/public/assets/frontend/mapbox-gl.css.br b/public/assets/frontend/mapbox-gl.css.br
new file mode 100644
index 00000000..77fdd6f6
Binary files /dev/null and b/public/assets/frontend/mapbox-gl.css.br differ
diff --git a/public/assets/frontend/mapbox-gl.css.gz b/public/assets/frontend/mapbox-gl.css.gz
new file mode 100644
index 00000000..691372b9
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diff --git a/public/assets/frontend/marked.min.js b/public/assets/frontend/marked.min.js
deleted file mode 100644
index 555c1dc1..00000000
--- a/public/assets/frontend/marked.min.js
+++ /dev/null
@@ -1,6 +0,0 @@
-/**
- * marked - a markdown parser
- * Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed)
- * https://github.com/chjj/marked
- */
-(function(){var block={newline:/^\n+/,code:/^( {4}[^\n]+\n*)+/,fences:noop,hr:/^( *[-*_]){3,} *(?:\n+|$)/,heading:/^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,nptable:noop,lheading:/^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,blockquote:/^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/,list:/^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,html:/^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/,def:/^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,table:noop,paragraph:/^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,text:/^[^\n]+/};block.bullet=/(?:[*+-]|\d+\.)/;block.item=/^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;block.item=replace(block.item,"gm")(/bull/g,block.bullet)();block.list=replace(block.list)(/bull/g,block.bullet)("hr","\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))")("def","\\n+(?="+block.def.source+")")();block.blockquote=replace(block.blockquote)("def",block.def)();block._tag="(?!(?:"+"a|em|strong|small|s|cite|q|dfn|abbr|data|time|code"+"|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo"+"|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b";block.html=replace(block.html)("comment",/<!--[\s\S]*?-->/)("closed",/<(tag)[\s\S]+?<\/\1>/)("closing",/<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/)(/tag/g,block._tag)();block.paragraph=replace(block.paragraph)("hr",block.hr)("heading",block.heading)("lheading",block.lheading)("blockquote",block.blockquote)("tag","<"+block._tag)("def",block.def)();block.normal=merge({},block);block.gfm=merge({},block.normal,{fences:/^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\s*\1 *(?:\n+|$)/,paragraph:/^/,heading:/^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/});block.gfm.paragraph=replace(block.paragraph)("(?!","(?!"+block.gfm.fences.source.replace("\\1","\\2")+"|"+block.list.source.replace("\\1","\\3")+"|")();block.tables=merge({},block.gfm,{nptable:/^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,table:/^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/});function Lexer(options){this.tokens=[];this.tokens.links={};this.options=options||marked.defaults;this.rules=block.normal;if(this.options.gfm){if(this.options.tables){this.rules=block.tables}else{this.rules=block.gfm}}}Lexer.rules=block;Lexer.lex=function(src,options){var lexer=new Lexer(options);return lexer.lex(src)};Lexer.prototype.lex=function(src){src=src.replace(/\r\n|\r/g,"\n").replace(/\t/g,"    ").replace(/\u00a0/g," ").replace(/\u2424/g,"\n");return this.token(src,true)};Lexer.prototype.token=function(src,top,bq){var src=src.replace(/^ +$/gm,""),next,loose,cap,bull,b,item,space,i,l;while(src){if(cap=this.rules.newline.exec(src)){src=src.substring(cap[0].length);if(cap[0].length>1){this.tokens.push({type:"space"})}}if(cap=this.rules.code.exec(src)){src=src.substring(cap[0].length);cap=cap[0].replace(/^ {4}/gm,"");this.tokens.push({type:"code",text:!this.options.pedantic?cap.replace(/\n+$/,""):cap});continue}if(cap=this.rules.fences.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"code",lang:cap[2],text:cap[3]||""});continue}if(cap=this.rules.heading.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"heading",depth:cap[1].length,text:cap[2]});continue}if(top&&(cap=this.rules.nptable.exec(src))){src=src.substring(cap[0].length);item={type:"table",header:cap[1].replace(/^ *| *\| *$/g,"").split(/ *\| */),align:cap[2].replace(/^ *|\| *$/g,"").split(/ *\| */),cells:cap[3].replace(/\n$/,"").split("\n")};for(i=0;i<item.align.length;i++){if(/^ *-+: *$/.test(item.align[i])){item.align[i]="right"}else if(/^ *:-+: *$/.test(item.align[i])){item.align[i]="center"}else if(/^ *:-+ *$/.test(item.align[i])){item.align[i]="left"}else{item.align[i]=null}}for(i=0;i<item.cells.length;i++){item.cells[i]=item.cells[i].split(/ *\| */)}this.tokens.push(item);continue}if(cap=this.rules.lheading.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"heading",depth:cap[2]==="="?1:2,text:cap[1]});continue}if(cap=this.rules.hr.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"hr"});continue}if(cap=this.rules.blockquote.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"blockquote_start"});cap=cap[0].replace(/^ *> ?/gm,"");this.token(cap,top,true);this.tokens.push({type:"blockquote_end"});continue}if(cap=this.rules.list.exec(src)){src=src.substring(cap[0].length);bull=cap[2];this.tokens.push({type:"list_start",ordered:bull.length>1});cap=cap[0].match(this.rules.item);next=false;l=cap.length;i=0;for(;i<l;i++){item=cap[i];space=item.length;item=item.replace(/^ *([*+-]|\d+\.) +/,"");if(~item.indexOf("\n ")){space-=item.length;item=!this.options.pedantic?item.replace(new RegExp("^ {1,"+space+"}","gm"),""):item.replace(/^ {1,4}/gm,"")}if(this.options.smartLists&&i!==l-1){b=block.bullet.exec(cap[i+1])[0];if(bull!==b&&!(bull.length>1&&b.length>1)){src=cap.slice(i+1).join("\n")+src;i=l-1}}loose=next||/\n\n(?!\s*$)/.test(item);if(i!==l-1){next=item.charAt(item.length-1)==="\n";if(!loose)loose=next}this.tokens.push({type:loose?"loose_item_start":"list_item_start"});this.token(item,false,bq);this.tokens.push({type:"list_item_end"})}this.tokens.push({type:"list_end"});continue}if(cap=this.rules.html.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:this.options.sanitize?"paragraph":"html",pre:!this.options.sanitizer&&(cap[1]==="pre"||cap[1]==="script"||cap[1]==="style"),text:cap[0]});continue}if(!bq&&top&&(cap=this.rules.def.exec(src))){src=src.substring(cap[0].length);this.tokens.links[cap[1].toLowerCase()]={href:cap[2],title:cap[3]};continue}if(top&&(cap=this.rules.table.exec(src))){src=src.substring(cap[0].length);item={type:"table",header:cap[1].replace(/^ *| *\| *$/g,"").split(/ *\| */),align:cap[2].replace(/^ *|\| *$/g,"").split(/ *\| */),cells:cap[3].replace(/(?: *\| *)?\n$/,"").split("\n")};for(i=0;i<item.align.length;i++){if(/^ *-+: *$/.test(item.align[i])){item.align[i]="right"}else if(/^ *:-+: *$/.test(item.align[i])){item.align[i]="center"}else if(/^ *:-+ *$/.test(item.align[i])){item.align[i]="left"}else{item.align[i]=null}}for(i=0;i<item.cells.length;i++){item.cells[i]=item.cells[i].replace(/^ *\| *| *\| *$/g,"").split(/ *\| */)}this.tokens.push(item);continue}if(top&&(cap=this.rules.paragraph.exec(src))){src=src.substring(cap[0].length);this.tokens.push({type:"paragraph",text:cap[1].charAt(cap[1].length-1)==="\n"?cap[1].slice(0,-1):cap[1]});continue}if(cap=this.rules.text.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"text",text:cap[0]});continue}if(src){throw new Error("Infinite loop on byte: "+src.charCodeAt(0))}}return this.tokens};var inline={escape:/^\\([\\`*{}\[\]()#+\-.!_>])/,autolink:/^<([^ >]+(@|:\/)[^ >]+)>/,url:noop,tag:/^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,link:/^!?\[(inside)\]\(href\)/,reflink:/^!?\[(inside)\]\s*\[([^\]]*)\]/,nolink:/^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,strong:/^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,em:/^\b_((?:[^_]|__)+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,code:/^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,br:/^ {2,}\n(?!\s*$)/,del:noop,text:/^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/};inline._inside=/(?:\[[^\]]*\]|[^\[\]]|\](?=[^\[]*\]))*/;inline._href=/\s*<?([\s\S]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/;inline.link=replace(inline.link)("inside",inline._inside)("href",inline._href)();inline.reflink=replace(inline.reflink)("inside",inline._inside)();inline.normal=merge({},inline);inline.pedantic=merge({},inline.normal,{strong:/^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,em:/^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/});inline.gfm=merge({},inline.normal,{escape:replace(inline.escape)("])","~|])")(),url:/^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,del:/^~~(?=\S)([\s\S]*?\S)~~/,text:replace(inline.text)("]|","~]|")("|","|https?://|")()});inline.breaks=merge({},inline.gfm,{br:replace(inline.br)("{2,}","*")(),text:replace(inline.gfm.text)("{2,}","*")()});function InlineLexer(links,options){this.options=options||marked.defaults;this.links=links;this.rules=inline.normal;this.renderer=this.options.renderer||new Renderer;this.renderer.options=this.options;if(!this.links){throw new Error("Tokens array requires a `links` property.")}if(this.options.gfm){if(this.options.breaks){this.rules=inline.breaks}else{this.rules=inline.gfm}}else if(this.options.pedantic){this.rules=inline.pedantic}}InlineLexer.rules=inline;InlineLexer.output=function(src,links,options){var inline=new InlineLexer(links,options);return inline.output(src)};InlineLexer.prototype.output=function(src){var out="",link,text,href,cap;while(src){if(cap=this.rules.escape.exec(src)){src=src.substring(cap[0].length);out+=cap[1];continue}if(cap=this.rules.autolink.exec(src)){src=src.substring(cap[0].length);if(cap[2]==="@"){text=cap[1].charAt(6)===":"?this.mangle(cap[1].substring(7)):this.mangle(cap[1]);href=this.mangle("mailto:")+text}else{text=escape(cap[1]);href=text}out+=this.renderer.link(href,null,text);continue}if(!this.inLink&&(cap=this.rules.url.exec(src))){src=src.substring(cap[0].length);text=escape(cap[1]);href=text;out+=this.renderer.link(href,null,text);continue}if(cap=this.rules.tag.exec(src)){if(!this.inLink&&/^<a /i.test(cap[0])){this.inLink=true}else if(this.inLink&&/^<\/a>/i.test(cap[0])){this.inLink=false}src=src.substring(cap[0].length);out+=this.options.sanitize?this.options.sanitizer?this.options.sanitizer(cap[0]):escape(cap[0]):cap[0];continue}if(cap=this.rules.link.exec(src)){src=src.substring(cap[0].length);this.inLink=true;out+=this.outputLink(cap,{href:cap[2],title:cap[3]});this.inLink=false;continue}if((cap=this.rules.reflink.exec(src))||(cap=this.rules.nolink.exec(src))){src=src.substring(cap[0].length);link=(cap[2]||cap[1]).replace(/\s+/g," ");link=this.links[link.toLowerCase()];if(!link||!link.href){out+=cap[0].charAt(0);src=cap[0].substring(1)+src;continue}this.inLink=true;out+=this.outputLink(cap,link);this.inLink=false;continue}if(cap=this.rules.strong.exec(src)){src=src.substring(cap[0].length);out+=this.renderer.strong(this.output(cap[2]||cap[1]));continue}if(cap=this.rules.em.exec(src)){src=src.substring(cap[0].length);out+=this.renderer.em(this.output(cap[2]||cap[1]));continue}if(cap=this.rules.code.exec(src)){src=src.substring(cap[0].length);out+=this.renderer.codespan(escape(cap[2],true));continue}if(cap=this.rules.br.exec(src)){src=src.substring(cap[0].length);out+=this.renderer.br();continue}if(cap=this.rules.del.exec(src)){src=src.substring(cap[0].length);out+=this.renderer.del(this.output(cap[1]));continue}if(cap=this.rules.text.exec(src)){src=src.substring(cap[0].length);out+=this.renderer.text(escape(this.smartypants(cap[0])));continue}if(src){throw new Error("Infinite loop on byte: "+src.charCodeAt(0))}}return out};InlineLexer.prototype.outputLink=function(cap,link){var href=escape(link.href),title=link.title?escape(link.title):null;return cap[0].charAt(0)!=="!"?this.renderer.link(href,title,this.output(cap[1])):this.renderer.image(href,title,escape(cap[1]))};InlineLexer.prototype.smartypants=function(text){if(!this.options.smartypants)return text;return text.replace(/---/g,"—").replace(/--/g,"–").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…")};InlineLexer.prototype.mangle=function(text){if(!this.options.mangle)return text;var out="",l=text.length,i=0,ch;for(;i<l;i++){ch=text.charCodeAt(i);if(Math.random()>.5){ch="x"+ch.toString(16)}out+="&#"+ch+";"}return out};function Renderer(options){this.options=options||{}}Renderer.prototype.code=function(code,lang,escaped){if(this.options.highlight){var out=this.options.highlight(code,lang);if(out!=null&&out!==code){escaped=true;code=out}}if(!lang){return"<pre><code>"+(escaped?code:escape(code,true))+"\n</code></pre>"}return'<pre><code class="'+this.options.langPrefix+escape(lang,true)+'">'+(escaped?code:escape(code,true))+"\n</code></pre>\n"};Renderer.prototype.blockquote=function(quote){return"<blockquote>\n"+quote+"</blockquote>\n"};Renderer.prototype.html=function(html){return html};Renderer.prototype.heading=function(text,level,raw){return"<h"+level+' id="'+this.options.headerPrefix+raw.toLowerCase().replace(/[^\w]+/g,"-")+'">'+text+"</h"+level+">\n"};Renderer.prototype.hr=function(){return this.options.xhtml?"<hr/>\n":"<hr>\n"};Renderer.prototype.list=function(body,ordered){var type=ordered?"ol":"ul";return"<"+type+">\n"+body+"</"+type+">\n"};Renderer.prototype.listitem=function(text){return"<li>"+text+"</li>\n"};Renderer.prototype.paragraph=function(text){return"<p>"+text+"</p>\n"};Renderer.prototype.table=function(header,body){return"<table>\n"+"<thead>\n"+header+"</thead>\n"+"<tbody>\n"+body+"</tbody>\n"+"</table>\n"};Renderer.prototype.tablerow=function(content){return"<tr>\n"+content+"</tr>\n"};Renderer.prototype.tablecell=function(content,flags){var type=flags.header?"th":"td";var tag=flags.align?"<"+type+' style="text-align:'+flags.align+'">':"<"+type+">";return tag+content+"</"+type+">\n"};Renderer.prototype.strong=function(text){return"<strong>"+text+"</strong>"};Renderer.prototype.em=function(text){return"<em>"+text+"</em>"};Renderer.prototype.codespan=function(text){return"<code>"+text+"</code>"};Renderer.prototype.br=function(){return this.options.xhtml?"<br/>":"<br>"};Renderer.prototype.del=function(text){return"<del>"+text+"</del>"};Renderer.prototype.link=function(href,title,text){if(this.options.sanitize){try{var prot=decodeURIComponent(unescape(href)).replace(/[^\w:]/g,"").toLowerCase()}catch(e){return""}if(prot.indexOf("javascript:")===0||prot.indexOf("vbscript:")===0){return""}}var out='<a href="'+href+'"';if(title){out+=' title="'+title+'"'}out+=">"+text+"</a>";return out};Renderer.prototype.image=function(href,title,text){var out='<img src="'+href+'" alt="'+text+'"';if(title){out+=' title="'+title+'"'}out+=this.options.xhtml?"/>":">";return out};Renderer.prototype.text=function(text){return text};function Parser(options){this.tokens=[];this.token=null;this.options=options||marked.defaults;this.options.renderer=this.options.renderer||new Renderer;this.renderer=this.options.renderer;this.renderer.options=this.options}Parser.parse=function(src,options,renderer){var parser=new Parser(options,renderer);return parser.parse(src)};Parser.prototype.parse=function(src){this.inline=new InlineLexer(src.links,this.options,this.renderer);this.tokens=src.reverse();var out="";while(this.next()){out+=this.tok()}return out};Parser.prototype.next=function(){return this.token=this.tokens.pop()};Parser.prototype.peek=function(){return this.tokens[this.tokens.length-1]||0};Parser.prototype.parseText=function(){var body=this.token.text;while(this.peek().type==="text"){body+="\n"+this.next().text}return this.inline.output(body)};Parser.prototype.tok=function(){switch(this.token.type){case"space":{return""}case"hr":{return this.renderer.hr()}case"heading":{return this.renderer.heading(this.inline.output(this.token.text),this.token.depth,this.token.text)}case"code":{return this.renderer.code(this.token.text,this.token.lang,this.token.escaped)}case"table":{var header="",body="",i,row,cell,flags,j;cell="";for(i=0;i<this.token.header.length;i++){flags={header:true,align:this.token.align[i]};cell+=this.renderer.tablecell(this.inline.output(this.token.header[i]),{header:true,align:this.token.align[i]})}header+=this.renderer.tablerow(cell);for(i=0;i<this.token.cells.length;i++){row=this.token.cells[i];cell="";for(j=0;j<row.length;j++){cell+=this.renderer.tablecell(this.inline.output(row[j]),{header:false,align:this.token.align[j]})}body+=this.renderer.tablerow(cell)}return this.renderer.table(header,body)}case"blockquote_start":{var body="";while(this.next().type!=="blockquote_end"){body+=this.tok()}return this.renderer.blockquote(body)}case"list_start":{var body="",ordered=this.token.ordered;while(this.next().type!=="list_end"){body+=this.tok()}return this.renderer.list(body,ordered)}case"list_item_start":{var body="";while(this.next().type!=="list_item_end"){body+=this.token.type==="text"?this.parseText():this.tok()}return this.renderer.listitem(body)}case"loose_item_start":{var body="";while(this.next().type!=="list_item_end"){body+=this.tok()}return this.renderer.listitem(body)}case"html":{var html=!this.token.pre&&!this.options.pedantic?this.inline.output(this.token.text):this.token.text;return this.renderer.html(html)}case"paragraph":{return this.renderer.paragraph(this.inline.output(this.token.text))}case"text":{return this.renderer.paragraph(this.parseText())}}};function escape(html,encode){return html.replace(!encode?/&(?!#?\w+;)/g:/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#39;")}function unescape(html){return html.replace(/&([#\w]+);/g,function(_,n){n=n.toLowerCase();if(n==="colon")return":";if(n.charAt(0)==="#"){return n.charAt(1)==="x"?String.fromCharCode(parseInt(n.substring(2),16)):String.fromCharCode(+n.substring(1))}return""})}function replace(regex,opt){regex=regex.source;opt=opt||"";return function self(name,val){if(!name)return new RegExp(regex,opt);val=val.source||val;val=val.replace(/(^|[^\[])\^/g,"$1");regex=regex.replace(name,val);return self}}function noop(){}noop.exec=noop;function merge(obj){var i=1,target,key;for(;i<arguments.length;i++){target=arguments[i];for(key in target){if(Object.prototype.hasOwnProperty.call(target,key)){obj[key]=target[key]}}}return obj}function marked(src,opt,callback){if(callback||typeof opt==="function"){if(!callback){callback=opt;opt=null}opt=merge({},marked.defaults,opt||{});var highlight=opt.highlight,tokens,pending,i=0;try{tokens=Lexer.lex(src,opt)}catch(e){return callback(e)}pending=tokens.length;var done=function(err){if(err){opt.highlight=highlight;return callback(err)}var out;try{out=Parser.parse(tokens,opt)}catch(e){err=e}opt.highlight=highlight;return err?callback(err):callback(null,out)};if(!highlight||highlight.length<3){return done()}delete opt.highlight;if(!pending)return done();for(;i<tokens.length;i++){(function(token){if(token.type!=="code"){return--pending||done()}return highlight(token.text,token.lang,function(err,code){if(err)return done(err);if(code==null||code===token.text){return--pending||done()}token.text=code;token.escaped=true;--pending||done()})})(tokens[i])}return}try{if(opt)opt=merge({},marked.defaults,opt);return Parser.parse(Lexer.lex(src,opt),opt)}catch(e){e.message+="\nPlease report this to https://github.com/chjj/marked.";if((opt||marked.defaults).silent){return"<p>An error occured:</p><pre>"+escape(e.message+"",true)+"</pre>"}throw e}}marked.options=marked.setOptions=function(opt){merge(marked.defaults,opt);return marked};marked.defaults={gfm:true,tables:true,breaks:false,pedantic:false,sanitize:false,sanitizer:null,mangle:true,smartLists:false,silent:false,highlight:null,langPrefix:"lang-",smartypants:false,headerPrefix:"",renderer:new Renderer,xhtml:false};marked.Parser=Parser;marked.parser=Parser.parse;marked.Renderer=Renderer;marked.Lexer=Lexer;marked.lexer=Lexer.lex;marked.InlineLexer=InlineLexer;marked.inlineLexer=InlineLexer.output;marked.parse=marked;if(typeof module!=="undefined"&&typeof exports==="object"){module.exports=marked}else if(typeof define==="function"&&define.amd){define(function(){return marked})}else{this.marked=marked}}).call(function(){return this||(typeof window!=="undefined"?window:global)}());
\ No newline at end of file
diff --git a/public/assets/frontend/marked.min.js.br b/public/assets/frontend/marked.min.js.br
deleted file mode 100644
index aee08471..00000000
Binary files a/public/assets/frontend/marked.min.js.br and /dev/null differ
diff --git a/public/assets/frontend/marked.min.js.gz b/public/assets/frontend/marked.min.js.gz
deleted file mode 100644
index 23d8aff6..00000000
Binary files a/public/assets/frontend/marked.min.js.gz and /dev/null differ
diff --git a/public/assets/frontend/store2.min.js b/public/assets/frontend/store2.min.js
deleted file mode 100644
index 72aff0ab..00000000
--- a/public/assets/frontend/store2.min.js
+++ /dev/null
@@ -1,5 +0,0 @@
-/*! store2 - v2.3.2 - 2015-10-27
-* Copyright (c) 2015 Nathan Bubna; Licensed MIT, GPL */
-
-!function(a,b){var c={version:"2.3.2",areas:{},apis:{},inherit:function(a,b){for(var c in a)b.hasOwnProperty(c)||(b[c]=a[c]);return b},stringify:function(a){return void 0===a||"function"==typeof a?a+"":JSON.stringify(a)},parse:function(a){try{return JSON.parse(a)}catch(b){return a}},fn:function(a,b){c.storeAPI[a]=b;for(var d in c.apis)c.apis[d][a]=b},get:function(a,b){return a.getItem(b)},set:function(a,b,c){a.setItem(b,c)},remove:function(a,b){a.removeItem(b)},key:function(a,b){return a.key(b)},length:function(a){return a.length},clear:function(a){a.clear()},Store:function(a,b,d){var e=c.inherit(c.storeAPI,function(a,b,c){return 0===arguments.length?e.getAll():void 0!==b?e.set(a,b,c):"string"==typeof a||"number"==typeof a?e.get(a):a?e.setAll(a,b):e.clear()});e._id=a;try{var f="_safariPrivate_";b.setItem(f,"sucks"),e._area=b,b.removeItem(f)}catch(g){}return e._area||(e._area=c.inherit(c.storageAPI,{items:{},name:"fake"})),e._ns=d||"",c.areas[a]||(c.areas[a]=e._area),c.apis[e._ns+e._id]||(c.apis[e._ns+e._id]=e),e},storeAPI:{area:function(a,b){var d=this[a];return d&&d.area||(d=c.Store(a,b,this._ns),this[a]||(this[a]=d)),d},namespace:function(a,b){if(!a)return this._ns?this._ns.substring(0,this._ns.length-1):"";var d=a,e=this[d];return e&&e.namespace||(e=c.Store(this._id,this._area,this._ns+d+"."),this[d]||(this[d]=e),b||e.area("session",c.areas.session)),e},isFake:function(){return"fake"===this._area.name},toString:function(){return"store"+(this._ns?"."+this.namespace():"")+"["+this._id+"]"},has:function(a){return this._area.has?this._area.has(this._in(a)):!!(this._in(a)in this._area)},size:function(){return this.keys().length},each:function(a,b){for(var d=0,e=c.length(this._area);e>d;d++){var f=this._out(c.key(this._area,d));if(void 0!==f&&a.call(this,f,b||this.get(f))===!1)break;e>c.length(this._area)&&(e--,d--)}return b||this},keys:function(){return this.each(function(a,b){b.push(a)},[])},get:function(a,b){var d=c.get(this._area,this._in(a));return null!==d?c.parse(d):b||d},getAll:function(){return this.each(function(a,b){b[a]=this.get(a)},{})},set:function(a,b,d){var e=this.get(a);return null!=e&&d===!1?b:c.set(this._area,this._in(a),c.stringify(b),d)||e},setAll:function(a,b){var c,d;for(var e in a)d=a[e],this.set(e,d,b)!==d&&(c=!0);return c},remove:function(a){var b=this.get(a);return c.remove(this._area,this._in(a)),b},clear:function(){return this._ns?this.each(function(a){c.remove(this._area,this._in(a))},1):c.clear(this._area),this},clearAll:function(){var a=this._area;for(var b in c.areas)c.areas.hasOwnProperty(b)&&(this._area=c.areas[b],this.clear());return this._area=a,this},_in:function(a){return"string"!=typeof a&&(a=c.stringify(a)),this._ns?this._ns+a:a},_out:function(a){return this._ns?a&&0===a.indexOf(this._ns)?a.substring(this._ns.length):void 0:a}},storageAPI:{length:0,has:function(a){return this.items.hasOwnProperty(a)},key:function(a){var b=0;for(var c in this.items)if(this.has(c)&&a===b++)return c},setItem:function(a,b){this.has(a)||this.length++,this.items[a]=b},removeItem:function(a){this.has(a)&&(delete this.items[a],this.length--)},getItem:function(a){return this.has(a)?this.items[a]:null},clear:function(){for(var a in this.list)this.removeItem(a)},toString:function(){return this.length+" items in "+this.name+"Storage"}}};a.store&&(c.conflict=a.store);var d=c.Store("local",function(){try{return localStorage}catch(a){}}());d.local=d,d._=c,d.area("session",function(){try{return sessionStorage}catch(a){}}()),a.store=d,"function"==typeof b&&void 0!==b.amd?b(function(){return d}):"undefined"!=typeof module&&module.exports&&(module.exports=d)}(this,this.define);
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-/* 0 */
-/***/ function(module, exports, __webpack_require__) {
-
-"use strict";
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_mapbox_gl_dist_mapbox_gl_js__ = __webpack_require__(10);
-/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_mapbox_gl_dist_mapbox_gl_js___default = __webpack_require__.n(__WEBPACK_IMPORTED_MODULE_0_mapbox_gl_dist_mapbox_gl_js__);
-/* unused harmony export parseLocation */
-/* harmony export (immutable) */ exports["a"] = addMapTo;
-function _toArray(arr) { return Array.isArray(arr) ? arr : Array.from(arr); }
-
-//mapbox-utils.js
-
-
-__WEBPACK_IMPORTED_MODULE_0_mapbox_gl_dist_mapbox_gl_js___default.a.accessToken = 'pk.eyJ1Ijoiam9ubnliYXJuZXMiLCJhIjoiY2l2cDhjYW04MDAwcjJ0cG1uZnhqcm82ayJ9.qA2zeVA-nsoMh9IFrd5KQw';
-
-//define some functions to be used in the default function.
-var titlecase = function titlecase(string) {
-    return string.split('-').map(function (_ref) {
-        var _ref2 = _toArray(_ref),
-            first = _ref2[0],
-            rest = _ref2.slice(1);
-
-        return first.toUpperCase() + rest.join('').toLowerCase();
-    }).join(' ');
-};
-
-var addMapTypeOption = function addMapTypeOption(map, menu, option) {
-    var checked = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
-
-    var input = document.createElement('input');
-    input.setAttribute('id', option);
-    input.setAttribute('type', 'radio');
-    input.setAttribute('name', 'toggle');
-    input.setAttribute('value', option);
-    if (checked == true) {
-        input.setAttribute('checked', 'checked');
-    }
-    input.addEventListener('click', function () {
-        map.setStyle('mapbox://styles/mapbox/' + option + '-v9');
-    });
-    var label = document.createElement('label');
-    label.setAttribute('for', option);
-    label.appendChild(document.createTextNode(titlecase(option)));
-    menu.appendChild(input);
-    menu.appendChild(label);
-};
-
-var makeMapMenu = function makeMapMenu(map) {
-    var mapMenu = document.createElement('div');
-    mapMenu.classList.add('map-menu');
-    addMapTypeOption(map, mapMenu, 'streets', true);
-    addMapTypeOption(map, mapMenu, 'satellite-streets');
-    return mapMenu;
-};
-
-var parseLocation = function parseLocation(text) {
-    //text = `POINT(lon lat)`
-    var coords = /POINT\((.*)\)/.exec(text);
-    var longitude = coords[1].split(' ')[0];
-    var latitude = coords[1].split(' ')[1];
-
-    return { latitude: latitude, longitude: longitude };
-};
-
-//the main function
-function addMapTo(div) {
-    var position = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
-    var places = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
-
-    console.log(div);
-    var latitude = div.dataset.latitude;
-    var longitude = div.dataset.longitude;
-    var id = div.dataset.id;
-    var data = window['geojson' + id];
-    if (data == null) {
-        data = {
-            "type": "FeatureCollection",
-            "features": [{
-                "type": "Feature",
-                "geometry": {
-                    "type": "Point",
-                    "coordinates": [longitude, latitude]
-                },
-                "properties": {
-                    "title": "Current Location",
-                    "icon": "circle-stroked"
-                }
-            }]
-        };
-    }
-    if (places != null) {
-        var _iteratorNormalCompletion = true;
-        var _didIteratorError = false;
-        var _iteratorError = undefined;
-
-        try {
-            for (var _iterator = places[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-                var place = _step.value;
-
-                var placeLongitude = parseLocation(place.location).longitude;
-                var placeLatitude = parseLocation(place.location).latitude;
-                data.features.push({
-                    "type": "Feature",
-                    "geometry": {
-                        "type": "Point",
-                        "coordinates": [placeLongitude, placeLatitude]
-                    },
-                    "properties": {
-                        "title": place.name,
-                        "icon": "circle"
-                    }
-                });
-            }
-        } catch (err) {
-            _didIteratorError = true;
-            _iteratorError = err;
-        } finally {
-            try {
-                if (!_iteratorNormalCompletion && _iterator.return) {
-                    _iterator.return();
-                }
-            } finally {
-                if (_didIteratorError) {
-                    throw _iteratorError;
-                }
-            }
-        }
-    }
-    if (!longitude) {
-        var _longitude = position.coords.longitude;
-    }
-    if (!latitude) {
-        var _latitude = position.coords.latitude;
-    }
-    var map = new __WEBPACK_IMPORTED_MODULE_0_mapbox_gl_dist_mapbox_gl_js___default.a.Map({
-        container: div,
-        style: 'mapbox://styles/mapbox/streets-v9',
-        center: [longitude, latitude],
-        zoom: 15
-    });
-    if (position == null) {
-        map.scrollZoom.disable();
-    }
-    map.addControl(new __WEBPACK_IMPORTED_MODULE_0_mapbox_gl_dist_mapbox_gl_js___default.a.NavigationControl());
-    div.appendChild(makeMapMenu(map));
-    map.on('load', function () {
-        map.addSource('points', {
-            "type": "geojson",
-            "data": data
-        });
-        map.addLayer({
-            "id": "points",
-            "interactive": true,
-            "type": "symbol",
-            "source": "points",
-            "layout": {
-                "icon-image": "{icon}-15",
-                "text-field": "{title}",
-                "text-offset": [0, 1]
-            }
-        });
-    });
-    map.on('click', function (e) {
-        var features = map.queryRenderedFeatures(e.point, {
-            layer: ['points']
-        });
-        // if there are features within the given radius of the click event,
-        // fly to the location of the click event
-        if (features.length) {
-            // Get coordinates from the symbol and center the map on those coordinates
-            map.flyTo({ center: features[0].geometry.coordinates });
-        }
-    });
-    if (data.features && data.features.length > 1) {
-        var bounds = new __WEBPACK_IMPORTED_MODULE_0_mapbox_gl_dist_mapbox_gl_js___default.a.LngLatBounds();
-        var _iteratorNormalCompletion2 = true;
-        var _didIteratorError2 = false;
-        var _iteratorError2 = undefined;
-
-        try {
-            for (var _iterator2 = data.features[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
-                var feature = _step2.value;
-
-                bounds.extend(feature.geometry.coordinates);
-            }
-        } catch (err) {
-            _didIteratorError2 = true;
-            _iteratorError2 = err;
-        } finally {
-            try {
-                if (!_iteratorNormalCompletion2 && _iterator2.return) {
-                    _iterator2.return();
-                }
-            } finally {
-                if (_didIteratorError2) {
-                    throw _iteratorError2;
-                }
-            }
-        }
-
-        map.fitBounds(bounds, { padding: 65 });
-    }
-}
-
-/***/ },
-/* 1 */
-/***/ function(module, exports) {
-
-var g;
-
-// This works in non-strict mode
-g = (function() { return this; })();
-
-try {
-	// This works if eval is allowed (see CSP)
-	g = g || Function("return this")() || (1,eval)("this");
-} catch(e) {
-	// This works if the window reference is available
-	if(typeof window === "object")
-		g = window;
-}
-
-// g can still be undefined, but nothing to do about it...
-// We return undefined, instead of nothing here, so it's
-// easier to handle this case. if(!global) { ...}
-
-module.exports = g;
-
-
-/***/ },
-/* 2 */,
-/* 3 */,
-/* 4 */,
-/* 5 */,
-/* 6 */
-/***/ function(module, exports, __webpack_require__) {
-
-"use strict";
-
-
-exports.byteLength = byteLength
-exports.toByteArray = toByteArray
-exports.fromByteArray = fromByteArray
-
-var lookup = []
-var revLookup = []
-var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
-
-var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
-for (var i = 0, len = code.length; i < len; ++i) {
-  lookup[i] = code[i]
-  revLookup[code.charCodeAt(i)] = i
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-
-revLookup['-'.charCodeAt(0)] = 62
-revLookup['_'.charCodeAt(0)] = 63
-
-function placeHoldersCount (b64) {
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-    throw new Error('Invalid string. Length must be a multiple of 4')
-  }
-
-  // the number of equal signs (place holders)
-  // if there are two placeholders, than the two characters before it
-  // represent one byte
-  // if there is only one, then the three characters before it represent 2 bytes
-  // this is just a cheap hack to not do indexOf twice
-  return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
-}
-
-function byteLength (b64) {
-  // base64 is 4/3 + up to two characters of the original data
-  return b64.length * 3 / 4 - placeHoldersCount(b64)
-}
-
-function toByteArray (b64) {
-  var i, j, l, tmp, placeHolders, arr
-  var len = b64.length
-  placeHolders = placeHoldersCount(b64)
-
-  arr = new Arr(len * 3 / 4 - placeHolders)
-
-  // if there are placeholders, only get up to the last complete 4 chars
-  l = placeHolders > 0 ? len - 4 : len
-
-  var L = 0
-
-  for (i = 0, j = 0; i < l; i += 4, j += 3) {
-    tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]
-    arr[L++] = (tmp >> 16) & 0xFF
-    arr[L++] = (tmp >> 8) & 0xFF
-    arr[L++] = tmp & 0xFF
-  }
-
-  if (placeHolders === 2) {
-    tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)
-    arr[L++] = tmp & 0xFF
-  } else if (placeHolders === 1) {
-    tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)
-    arr[L++] = (tmp >> 8) & 0xFF
-    arr[L++] = tmp & 0xFF
-  }
-
-  return arr
-}
-
-function tripletToBase64 (num) {
-  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
-}
-
-function encodeChunk (uint8, start, end) {
-  var tmp
-  var output = []
-  for (var i = start; i < end; i += 3) {
-    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
-    output.push(tripletToBase64(tmp))
-  }
-  return output.join('')
-}
-
-function fromByteArray (uint8) {
-  var tmp
-  var len = uint8.length
-  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
-  var output = ''
-  var parts = []
-  var maxChunkLength = 16383 // must be multiple of 3
-
-  // go through the array every three bytes, we'll deal with trailing stuff later
-  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
-    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
-  }
-
-  // pad the end with zeros, but make sure to not forget the extra bytes
-  if (extraBytes === 1) {
-    tmp = uint8[len - 1]
-    output += lookup[tmp >> 2]
-    output += lookup[(tmp << 4) & 0x3F]
-    output += '=='
-  } else if (extraBytes === 2) {
-    tmp = (uint8[len - 2] << 8) + (uint8[len - 1])
-    output += lookup[tmp >> 10]
-    output += lookup[(tmp >> 4) & 0x3F]
-    output += lookup[(tmp << 2) & 0x3F]
-    output += '='
-  }
-
-  parts.push(output)
-
-  return parts.join('')
-}
-
-
-/***/ },
-/* 7 */
-/***/ function(module, exports, __webpack_require__) {
-
-"use strict";
-/* WEBPACK VAR INJECTION */(function(global) {/*!
- * The buffer module from node.js, for the browser.
- *
- * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
- * @license  MIT
- */
-/* eslint-disable no-proto */
-
-
-
-var base64 = __webpack_require__(6)
-var ieee754 = __webpack_require__(8)
-var isArray = __webpack_require__(9)
-
-exports.Buffer = Buffer
-exports.SlowBuffer = SlowBuffer
-exports.INSPECT_MAX_BYTES = 50
-
-/**
- * If `Buffer.TYPED_ARRAY_SUPPORT`:
- *   === true    Use Uint8Array implementation (fastest)
- *   === false   Use Object implementation (most compatible, even IE6)
- *
- * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
- * Opera 11.6+, iOS 4.2+.
- *
- * Due to various browser bugs, sometimes the Object implementation will be used even
- * when the browser supports typed arrays.
- *
- * Note:
- *
- *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
- *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
- *
- *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
- *
- *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
- *     incorrect length in some situations.
-
- * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
- * get the Object implementation, which is slower but behaves correctly.
- */
-Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
-  ? global.TYPED_ARRAY_SUPPORT
-  : typedArraySupport()
-
-/*
- * Export kMaxLength after typed array support is determined.
- */
-exports.kMaxLength = kMaxLength()
-
-function typedArraySupport () {
-  try {
-    var arr = new Uint8Array(1)
-    arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
-    return arr.foo() === 42 && // typed array instances can be augmented
-        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
-        arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
-  } catch (e) {
-    return false
-  }
-}
-
-function kMaxLength () {
-  return Buffer.TYPED_ARRAY_SUPPORT
-    ? 0x7fffffff
-    : 0x3fffffff
-}
-
-function createBuffer (that, length) {
-  if (kMaxLength() < length) {
-    throw new RangeError('Invalid typed array length')
-  }
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    // Return an augmented `Uint8Array` instance, for best performance
-    that = new Uint8Array(length)
-    that.__proto__ = Buffer.prototype
-  } else {
-    // Fallback: Return an object instance of the Buffer class
-    if (that === null) {
-      that = new Buffer(length)
-    }
-    that.length = length
-  }
-
-  return that
-}
-
-/**
- * The Buffer constructor returns instances of `Uint8Array` that have their
- * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
- * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
- * and the `Uint8Array` methods. Square bracket notation works as expected -- it
- * returns a single octet.
- *
- * The `Uint8Array` prototype remains unmodified.
- */
-
-function Buffer (arg, encodingOrOffset, length) {
-  if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
-    return new Buffer(arg, encodingOrOffset, length)
-  }
-
-  // Common case.
-  if (typeof arg === 'number') {
-    if (typeof encodingOrOffset === 'string') {
-      throw new Error(
-        'If encoding is specified then the first argument must be a string'
-      )
-    }
-    return allocUnsafe(this, arg)
-  }
-  return from(this, arg, encodingOrOffset, length)
-}
-
-Buffer.poolSize = 8192 // not used by this implementation
-
-// TODO: Legacy, not needed anymore. Remove in next major version.
-Buffer._augment = function (arr) {
-  arr.__proto__ = Buffer.prototype
-  return arr
-}
-
-function from (that, value, encodingOrOffset, length) {
-  if (typeof value === 'number') {
-    throw new TypeError('"value" argument must not be a number')
-  }
-
-  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
-    return fromArrayBuffer(that, value, encodingOrOffset, length)
-  }
-
-  if (typeof value === 'string') {
-    return fromString(that, value, encodingOrOffset)
-  }
-
-  return fromObject(that, value)
-}
-
-/**
- * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
- * if value is a number.
- * Buffer.from(str[, encoding])
- * Buffer.from(array)
- * Buffer.from(buffer)
- * Buffer.from(arrayBuffer[, byteOffset[, length]])
- **/
-Buffer.from = function (value, encodingOrOffset, length) {
-  return from(null, value, encodingOrOffset, length)
-}
-
-if (Buffer.TYPED_ARRAY_SUPPORT) {
-  Buffer.prototype.__proto__ = Uint8Array.prototype
-  Buffer.__proto__ = Uint8Array
-  if (typeof Symbol !== 'undefined' && Symbol.species &&
-      Buffer[Symbol.species] === Buffer) {
-    // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
-    Object.defineProperty(Buffer, Symbol.species, {
-      value: null,
-      configurable: true
-    })
-  }
-}
-
-function assertSize (size) {
-  if (typeof size !== 'number') {
-    throw new TypeError('"size" argument must be a number')
-  } else if (size < 0) {
-    throw new RangeError('"size" argument must not be negative')
-  }
-}
-
-function alloc (that, size, fill, encoding) {
-  assertSize(size)
-  if (size <= 0) {
-    return createBuffer(that, size)
-  }
-  if (fill !== undefined) {
-    // Only pay attention to encoding if it's a string. This
-    // prevents accidentally sending in a number that would
-    // be interpretted as a start offset.
-    return typeof encoding === 'string'
-      ? createBuffer(that, size).fill(fill, encoding)
-      : createBuffer(that, size).fill(fill)
-  }
-  return createBuffer(that, size)
-}
-
-/**
- * Creates a new filled Buffer instance.
- * alloc(size[, fill[, encoding]])
- **/
-Buffer.alloc = function (size, fill, encoding) {
-  return alloc(null, size, fill, encoding)
-}
-
-function allocUnsafe (that, size) {
-  assertSize(size)
-  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)
-  if (!Buffer.TYPED_ARRAY_SUPPORT) {
-    for (var i = 0; i < size; ++i) {
-      that[i] = 0
-    }
-  }
-  return that
-}
-
-/**
- * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
- * */
-Buffer.allocUnsafe = function (size) {
-  return allocUnsafe(null, size)
-}
-/**
- * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
- */
-Buffer.allocUnsafeSlow = function (size) {
-  return allocUnsafe(null, size)
-}
-
-function fromString (that, string, encoding) {
-  if (typeof encoding !== 'string' || encoding === '') {
-    encoding = 'utf8'
-  }
-
-  if (!Buffer.isEncoding(encoding)) {
-    throw new TypeError('"encoding" must be a valid string encoding')
-  }
-
-  var length = byteLength(string, encoding) | 0
-  that = createBuffer(that, length)
-
-  var actual = that.write(string, encoding)
-
-  if (actual !== length) {
-    // Writing a hex string, for example, that contains invalid characters will
-    // cause everything after the first invalid character to be ignored. (e.g.
-    // 'abxxcd' will be treated as 'ab')
-    that = that.slice(0, actual)
-  }
-
-  return that
-}
-
-function fromArrayLike (that, array) {
-  var length = array.length < 0 ? 0 : checked(array.length) | 0
-  that = createBuffer(that, length)
-  for (var i = 0; i < length; i += 1) {
-    that[i] = array[i] & 255
-  }
-  return that
-}
-
-function fromArrayBuffer (that, array, byteOffset, length) {
-  array.byteLength // this throws if `array` is not a valid ArrayBuffer
-
-  if (byteOffset < 0 || array.byteLength < byteOffset) {
-    throw new RangeError('\'offset\' is out of bounds')
-  }
-
-  if (array.byteLength < byteOffset + (length || 0)) {
-    throw new RangeError('\'length\' is out of bounds')
-  }
-
-  if (byteOffset === undefined && length === undefined) {
-    array = new Uint8Array(array)
-  } else if (length === undefined) {
-    array = new Uint8Array(array, byteOffset)
-  } else {
-    array = new Uint8Array(array, byteOffset, length)
-  }
-
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    // Return an augmented `Uint8Array` instance, for best performance
-    that = array
-    that.__proto__ = Buffer.prototype
-  } else {
-    // Fallback: Return an object instance of the Buffer class
-    that = fromArrayLike(that, array)
-  }
-  return that
-}
-
-function fromObject (that, obj) {
-  if (Buffer.isBuffer(obj)) {
-    var len = checked(obj.length) | 0
-    that = createBuffer(that, len)
-
-    if (that.length === 0) {
-      return that
-    }
-
-    obj.copy(that, 0, 0, len)
-    return that
-  }
-
-  if (obj) {
-    if ((typeof ArrayBuffer !== 'undefined' &&
-        obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
-      if (typeof obj.length !== 'number' || isnan(obj.length)) {
-        return createBuffer(that, 0)
-      }
-      return fromArrayLike(that, obj)
-    }
-
-    if (obj.type === 'Buffer' && isArray(obj.data)) {
-      return fromArrayLike(that, obj.data)
-    }
-  }
-
-  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
-}
-
-function checked (length) {
-  // Note: cannot use `length < kMaxLength()` here because that fails when
-  // length is NaN (which is otherwise coerced to zero.)
-  if (length >= kMaxLength()) {
-    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
-                         'size: 0x' + kMaxLength().toString(16) + ' bytes')
-  }
-  return length | 0
-}
-
-function SlowBuffer (length) {
-  if (+length != length) { // eslint-disable-line eqeqeq
-    length = 0
-  }
-  return Buffer.alloc(+length)
-}
-
-Buffer.isBuffer = function isBuffer (b) {
-  return !!(b != null && b._isBuffer)
-}
-
-Buffer.compare = function compare (a, b) {
-  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
-    throw new TypeError('Arguments must be Buffers')
-  }
-
-  if (a === b) return 0
-
-  var x = a.length
-  var y = b.length
-
-  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
-    if (a[i] !== b[i]) {
-      x = a[i]
-      y = b[i]
-      break
-    }
-  }
-
-  if (x < y) return -1
-  if (y < x) return 1
-  return 0
-}
-
-Buffer.isEncoding = function isEncoding (encoding) {
-  switch (String(encoding).toLowerCase()) {
-    case 'hex':
-    case 'utf8':
-    case 'utf-8':
-    case 'ascii':
-    case 'latin1':
-    case 'binary':
-    case 'base64':
-    case 'ucs2':
-    case 'ucs-2':
-    case 'utf16le':
-    case 'utf-16le':
-      return true
-    default:
-      return false
-  }
-}
-
-Buffer.concat = function concat (list, length) {
-  if (!isArray(list)) {
-    throw new TypeError('"list" argument must be an Array of Buffers')
-  }
-
-  if (list.length === 0) {
-    return Buffer.alloc(0)
-  }
-
-  var i
-  if (length === undefined) {
-    length = 0
-    for (i = 0; i < list.length; ++i) {
-      length += list[i].length
-    }
-  }
-
-  var buffer = Buffer.allocUnsafe(length)
-  var pos = 0
-  for (i = 0; i < list.length; ++i) {
-    var buf = list[i]
-    if (!Buffer.isBuffer(buf)) {
-      throw new TypeError('"list" argument must be an Array of Buffers')
-    }
-    buf.copy(buffer, pos)
-    pos += buf.length
-  }
-  return buffer
-}
-
-function byteLength (string, encoding) {
-  if (Buffer.isBuffer(string)) {
-    return string.length
-  }
-  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
-      (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
-    return string.byteLength
-  }
-  if (typeof string !== 'string') {
-    string = '' + string
-  }
-
-  var len = string.length
-  if (len === 0) return 0
-
-  // Use a for loop to avoid recursion
-  var loweredCase = false
-  for (;;) {
-    switch (encoding) {
-      case 'ascii':
-      case 'latin1':
-      case 'binary':
-        return len
-      case 'utf8':
-      case 'utf-8':
-      case undefined:
-        return utf8ToBytes(string).length
-      case 'ucs2':
-      case 'ucs-2':
-      case 'utf16le':
-      case 'utf-16le':
-        return len * 2
-      case 'hex':
-        return len >>> 1
-      case 'base64':
-        return base64ToBytes(string).length
-      default:
-        if (loweredCase) return utf8ToBytes(string).length // assume utf8
-        encoding = ('' + encoding).toLowerCase()
-        loweredCase = true
-    }
-  }
-}
-Buffer.byteLength = byteLength
-
-function slowToString (encoding, start, end) {
-  var loweredCase = false
-
-  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
-  // property of a typed array.
-
-  // This behaves neither like String nor Uint8Array in that we set start/end
-  // to their upper/lower bounds if the value passed is out of range.
-  // undefined is handled specially as per ECMA-262 6th Edition,
-  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
-  if (start === undefined || start < 0) {
-    start = 0
-  }
-  // Return early if start > this.length. Done here to prevent potential uint32
-  // coercion fail below.
-  if (start > this.length) {
-    return ''
-  }
-
-  if (end === undefined || end > this.length) {
-    end = this.length
-  }
-
-  if (end <= 0) {
-    return ''
-  }
-
-  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
-  end >>>= 0
-  start >>>= 0
-
-  if (end <= start) {
-    return ''
-  }
-
-  if (!encoding) encoding = 'utf8'
-
-  while (true) {
-    switch (encoding) {
-      case 'hex':
-        return hexSlice(this, start, end)
-
-      case 'utf8':
-      case 'utf-8':
-        return utf8Slice(this, start, end)
-
-      case 'ascii':
-        return asciiSlice(this, start, end)
-
-      case 'latin1':
-      case 'binary':
-        return latin1Slice(this, start, end)
-
-      case 'base64':
-        return base64Slice(this, start, end)
-
-      case 'ucs2':
-      case 'ucs-2':
-      case 'utf16le':
-      case 'utf-16le':
-        return utf16leSlice(this, start, end)
-
-      default:
-        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
-        encoding = (encoding + '').toLowerCase()
-        loweredCase = true
-    }
-  }
-}
-
-// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
-// Buffer instances.
-Buffer.prototype._isBuffer = true
-
-function swap (b, n, m) {
-  var i = b[n]
-  b[n] = b[m]
-  b[m] = i
-}
-
-Buffer.prototype.swap16 = function swap16 () {
-  var len = this.length
-  if (len % 2 !== 0) {
-    throw new RangeError('Buffer size must be a multiple of 16-bits')
-  }
-  for (var i = 0; i < len; i += 2) {
-    swap(this, i, i + 1)
-  }
-  return this
-}
-
-Buffer.prototype.swap32 = function swap32 () {
-  var len = this.length
-  if (len % 4 !== 0) {
-    throw new RangeError('Buffer size must be a multiple of 32-bits')
-  }
-  for (var i = 0; i < len; i += 4) {
-    swap(this, i, i + 3)
-    swap(this, i + 1, i + 2)
-  }
-  return this
-}
-
-Buffer.prototype.swap64 = function swap64 () {
-  var len = this.length
-  if (len % 8 !== 0) {
-    throw new RangeError('Buffer size must be a multiple of 64-bits')
-  }
-  for (var i = 0; i < len; i += 8) {
-    swap(this, i, i + 7)
-    swap(this, i + 1, i + 6)
-    swap(this, i + 2, i + 5)
-    swap(this, i + 3, i + 4)
-  }
-  return this
-}
-
-Buffer.prototype.toString = function toString () {
-  var length = this.length | 0
-  if (length === 0) return ''
-  if (arguments.length === 0) return utf8Slice(this, 0, length)
-  return slowToString.apply(this, arguments)
-}
-
-Buffer.prototype.equals = function equals (b) {
-  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
-  if (this === b) return true
-  return Buffer.compare(this, b) === 0
-}
-
-Buffer.prototype.inspect = function inspect () {
-  var str = ''
-  var max = exports.INSPECT_MAX_BYTES
-  if (this.length > 0) {
-    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
-    if (this.length > max) str += ' ... '
-  }
-  return '<Buffer ' + str + '>'
-}
-
-Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
-  if (!Buffer.isBuffer(target)) {
-    throw new TypeError('Argument must be a Buffer')
-  }
-
-  if (start === undefined) {
-    start = 0
-  }
-  if (end === undefined) {
-    end = target ? target.length : 0
-  }
-  if (thisStart === undefined) {
-    thisStart = 0
-  }
-  if (thisEnd === undefined) {
-    thisEnd = this.length
-  }
-
-  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
-    throw new RangeError('out of range index')
-  }
-
-  if (thisStart >= thisEnd && start >= end) {
-    return 0
-  }
-  if (thisStart >= thisEnd) {
-    return -1
-  }
-  if (start >= end) {
-    return 1
-  }
-
-  start >>>= 0
-  end >>>= 0
-  thisStart >>>= 0
-  thisEnd >>>= 0
-
-  if (this === target) return 0
-
-  var x = thisEnd - thisStart
-  var y = end - start
-  var len = Math.min(x, y)
-
-  var thisCopy = this.slice(thisStart, thisEnd)
-  var targetCopy = target.slice(start, end)
-
-  for (var i = 0; i < len; ++i) {
-    if (thisCopy[i] !== targetCopy[i]) {
-      x = thisCopy[i]
-      y = targetCopy[i]
-      break
-    }
-  }
-
-  if (x < y) return -1
-  if (y < x) return 1
-  return 0
-}
-
-// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
-// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
-//
-// Arguments:
-// - buffer - a Buffer to search
-// - val - a string, Buffer, or number
-// - byteOffset - an index into `buffer`; will be clamped to an int32
-// - encoding - an optional encoding, relevant is val is a string
-// - dir - true for indexOf, false for lastIndexOf
-function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
-  // Empty buffer means no match
-  if (buffer.length === 0) return -1
-
-  // Normalize byteOffset
-  if (typeof byteOffset === 'string') {
-    encoding = byteOffset
-    byteOffset = 0
-  } else if (byteOffset > 0x7fffffff) {
-    byteOffset = 0x7fffffff
-  } else if (byteOffset < -0x80000000) {
-    byteOffset = -0x80000000
-  }
-  byteOffset = +byteOffset  // Coerce to Number.
-  if (isNaN(byteOffset)) {
-    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
-    byteOffset = dir ? 0 : (buffer.length - 1)
-  }
-
-  // Normalize byteOffset: negative offsets start from the end of the buffer
-  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
-  if (byteOffset >= buffer.length) {
-    if (dir) return -1
-    else byteOffset = buffer.length - 1
-  } else if (byteOffset < 0) {
-    if (dir) byteOffset = 0
-    else return -1
-  }
-
-  // Normalize val
-  if (typeof val === 'string') {
-    val = Buffer.from(val, encoding)
-  }
-
-  // Finally, search either indexOf (if dir is true) or lastIndexOf
-  if (Buffer.isBuffer(val)) {
-    // Special case: looking for empty string/buffer always fails
-    if (val.length === 0) {
-      return -1
-    }
-    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
-  } else if (typeof val === 'number') {
-    val = val & 0xFF // Search for a byte value [0-255]
-    if (Buffer.TYPED_ARRAY_SUPPORT &&
-        typeof Uint8Array.prototype.indexOf === 'function') {
-      if (dir) {
-        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
-      } else {
-        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
-      }
-    }
-    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
-  }
-
-  throw new TypeError('val must be string, number or Buffer')
-}
-
-function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
-  var indexSize = 1
-  var arrLength = arr.length
-  var valLength = val.length
-
-  if (encoding !== undefined) {
-    encoding = String(encoding).toLowerCase()
-    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
-        encoding === 'utf16le' || encoding === 'utf-16le') {
-      if (arr.length < 2 || val.length < 2) {
-        return -1
-      }
-      indexSize = 2
-      arrLength /= 2
-      valLength /= 2
-      byteOffset /= 2
-    }
-  }
-
-  function read (buf, i) {
-    if (indexSize === 1) {
-      return buf[i]
-    } else {
-      return buf.readUInt16BE(i * indexSize)
-    }
-  }
-
-  var i
-  if (dir) {
-    var foundIndex = -1
-    for (i = byteOffset; i < arrLength; i++) {
-      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
-        if (foundIndex === -1) foundIndex = i
-        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
-      } else {
-        if (foundIndex !== -1) i -= i - foundIndex
-        foundIndex = -1
-      }
-    }
-  } else {
-    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
-    for (i = byteOffset; i >= 0; i--) {
-      var found = true
-      for (var j = 0; j < valLength; j++) {
-        if (read(arr, i + j) !== read(val, j)) {
-          found = false
-          break
-        }
-      }
-      if (found) return i
-    }
-  }
-
-  return -1
-}
-
-Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
-  return this.indexOf(val, byteOffset, encoding) !== -1
-}
-
-Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
-  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
-}
-
-Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
-  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
-}
-
-function hexWrite (buf, string, offset, length) {
-  offset = Number(offset) || 0
-  var remaining = buf.length - offset
-  if (!length) {
-    length = remaining
-  } else {
-    length = Number(length)
-    if (length > remaining) {
-      length = remaining
-    }
-  }
-
-  // must be an even number of digits
-  var strLen = string.length
-  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
-
-  if (length > strLen / 2) {
-    length = strLen / 2
-  }
-  for (var i = 0; i < length; ++i) {
-    var parsed = parseInt(string.substr(i * 2, 2), 16)
-    if (isNaN(parsed)) return i
-    buf[offset + i] = parsed
-  }
-  return i
-}
-
-function utf8Write (buf, string, offset, length) {
-  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
-}
-
-function asciiWrite (buf, string, offset, length) {
-  return blitBuffer(asciiToBytes(string), buf, offset, length)
-}
-
-function latin1Write (buf, string, offset, length) {
-  return asciiWrite(buf, string, offset, length)
-}
-
-function base64Write (buf, string, offset, length) {
-  return blitBuffer(base64ToBytes(string), buf, offset, length)
-}
-
-function ucs2Write (buf, string, offset, length) {
-  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
-}
-
-Buffer.prototype.write = function write (string, offset, length, encoding) {
-  // Buffer#write(string)
-  if (offset === undefined) {
-    encoding = 'utf8'
-    length = this.length
-    offset = 0
-  // Buffer#write(string, encoding)
-  } else if (length === undefined && typeof offset === 'string') {
-    encoding = offset
-    length = this.length
-    offset = 0
-  // Buffer#write(string, offset[, length][, encoding])
-  } else if (isFinite(offset)) {
-    offset = offset | 0
-    if (isFinite(length)) {
-      length = length | 0
-      if (encoding === undefined) encoding = 'utf8'
-    } else {
-      encoding = length
-      length = undefined
-    }
-  // legacy write(string, encoding, offset, length) - remove in v0.13
-  } else {
-    throw new Error(
-      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
-    )
-  }
-
-  var remaining = this.length - offset
-  if (length === undefined || length > remaining) length = remaining
-
-  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
-    throw new RangeError('Attempt to write outside buffer bounds')
-  }
-
-  if (!encoding) encoding = 'utf8'
-
-  var loweredCase = false
-  for (;;) {
-    switch (encoding) {
-      case 'hex':
-        return hexWrite(this, string, offset, length)
-
-      case 'utf8':
-      case 'utf-8':
-        return utf8Write(this, string, offset, length)
-
-      case 'ascii':
-        return asciiWrite(this, string, offset, length)
-
-      case 'latin1':
-      case 'binary':
-        return latin1Write(this, string, offset, length)
-
-      case 'base64':
-        // Warning: maxLength not taken into account in base64Write
-        return base64Write(this, string, offset, length)
-
-      case 'ucs2':
-      case 'ucs-2':
-      case 'utf16le':
-      case 'utf-16le':
-        return ucs2Write(this, string, offset, length)
-
-      default:
-        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
-        encoding = ('' + encoding).toLowerCase()
-        loweredCase = true
-    }
-  }
-}
-
-Buffer.prototype.toJSON = function toJSON () {
-  return {
-    type: 'Buffer',
-    data: Array.prototype.slice.call(this._arr || this, 0)
-  }
-}
-
-function base64Slice (buf, start, end) {
-  if (start === 0 && end === buf.length) {
-    return base64.fromByteArray(buf)
-  } else {
-    return base64.fromByteArray(buf.slice(start, end))
-  }
-}
-
-function utf8Slice (buf, start, end) {
-  end = Math.min(buf.length, end)
-  var res = []
-
-  var i = start
-  while (i < end) {
-    var firstByte = buf[i]
-    var codePoint = null
-    var bytesPerSequence = (firstByte > 0xEF) ? 4
-      : (firstByte > 0xDF) ? 3
-      : (firstByte > 0xBF) ? 2
-      : 1
-
-    if (i + bytesPerSequence <= end) {
-      var secondByte, thirdByte, fourthByte, tempCodePoint
-
-      switch (bytesPerSequence) {
-        case 1:
-          if (firstByte < 0x80) {
-            codePoint = firstByte
-          }
-          break
-        case 2:
-          secondByte = buf[i + 1]
-          if ((secondByte & 0xC0) === 0x80) {
-            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
-            if (tempCodePoint > 0x7F) {
-              codePoint = tempCodePoint
-            }
-          }
-          break
-        case 3:
-          secondByte = buf[i + 1]
-          thirdByte = buf[i + 2]
-          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
-            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
-            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
-              codePoint = tempCodePoint
-            }
-          }
-          break
-        case 4:
-          secondByte = buf[i + 1]
-          thirdByte = buf[i + 2]
-          fourthByte = buf[i + 3]
-          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
-            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
-            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
-              codePoint = tempCodePoint
-            }
-          }
-      }
-    }
-
-    if (codePoint === null) {
-      // we did not generate a valid codePoint so insert a
-      // replacement char (U+FFFD) and advance only 1 byte
-      codePoint = 0xFFFD
-      bytesPerSequence = 1
-    } else if (codePoint > 0xFFFF) {
-      // encode to utf16 (surrogate pair dance)
-      codePoint -= 0x10000
-      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
-      codePoint = 0xDC00 | codePoint & 0x3FF
-    }
-
-    res.push(codePoint)
-    i += bytesPerSequence
-  }
-
-  return decodeCodePointsArray(res)
-}
-
-// Based on http://stackoverflow.com/a/22747272/680742, the browser with
-// the lowest limit is Chrome, with 0x10000 args.
-// We go 1 magnitude less, for safety
-var MAX_ARGUMENTS_LENGTH = 0x1000
-
-function decodeCodePointsArray (codePoints) {
-  var len = codePoints.length
-  if (len <= MAX_ARGUMENTS_LENGTH) {
-    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
-  }
-
-  // Decode in chunks to avoid "call stack size exceeded".
-  var res = ''
-  var i = 0
-  while (i < len) {
-    res += String.fromCharCode.apply(
-      String,
-      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
-    )
-  }
-  return res
-}
-
-function asciiSlice (buf, start, end) {
-  var ret = ''
-  end = Math.min(buf.length, end)
-
-  for (var i = start; i < end; ++i) {
-    ret += String.fromCharCode(buf[i] & 0x7F)
-  }
-  return ret
-}
-
-function latin1Slice (buf, start, end) {
-  var ret = ''
-  end = Math.min(buf.length, end)
-
-  for (var i = start; i < end; ++i) {
-    ret += String.fromCharCode(buf[i])
-  }
-  return ret
-}
-
-function hexSlice (buf, start, end) {
-  var len = buf.length
-
-  if (!start || start < 0) start = 0
-  if (!end || end < 0 || end > len) end = len
-
-  var out = ''
-  for (var i = start; i < end; ++i) {
-    out += toHex(buf[i])
-  }
-  return out
-}
-
-function utf16leSlice (buf, start, end) {
-  var bytes = buf.slice(start, end)
-  var res = ''
-  for (var i = 0; i < bytes.length; i += 2) {
-    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
-  }
-  return res
-}
-
-Buffer.prototype.slice = function slice (start, end) {
-  var len = this.length
-  start = ~~start
-  end = end === undefined ? len : ~~end
-
-  if (start < 0) {
-    start += len
-    if (start < 0) start = 0
-  } else if (start > len) {
-    start = len
-  }
-
-  if (end < 0) {
-    end += len
-    if (end < 0) end = 0
-  } else if (end > len) {
-    end = len
-  }
-
-  if (end < start) end = start
-
-  var newBuf
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    newBuf = this.subarray(start, end)
-    newBuf.__proto__ = Buffer.prototype
-  } else {
-    var sliceLen = end - start
-    newBuf = new Buffer(sliceLen, undefined)
-    for (var i = 0; i < sliceLen; ++i) {
-      newBuf[i] = this[i + start]
-    }
-  }
-
-  return newBuf
-}
-
-/*
- * Need to make sure that buffer isn't trying to write out of bounds.
- */
-function checkOffset (offset, ext, length) {
-  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
-  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
-}
-
-Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) checkOffset(offset, byteLength, this.length)
-
-  var val = this[offset]
-  var mul = 1
-  var i = 0
-  while (++i < byteLength && (mul *= 0x100)) {
-    val += this[offset + i] * mul
-  }
-
-  return val
-}
-
-Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) {
-    checkOffset(offset, byteLength, this.length)
-  }
-
-  var val = this[offset + --byteLength]
-  var mul = 1
-  while (byteLength > 0 && (mul *= 0x100)) {
-    val += this[offset + --byteLength] * mul
-  }
-
-  return val
-}
-
-Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 1, this.length)
-  return this[offset]
-}
-
-Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length)
-  return this[offset] | (this[offset + 1] << 8)
-}
-
-Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length)
-  return (this[offset] << 8) | this[offset + 1]
-}
-
-Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-
-  return ((this[offset]) |
-      (this[offset + 1] << 8) |
-      (this[offset + 2] << 16)) +
-      (this[offset + 3] * 0x1000000)
-}
-
-Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-
-  return (this[offset] * 0x1000000) +
-    ((this[offset + 1] << 16) |
-    (this[offset + 2] << 8) |
-    this[offset + 3])
-}
-
-Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) checkOffset(offset, byteLength, this.length)
-
-  var val = this[offset]
-  var mul = 1
-  var i = 0
-  while (++i < byteLength && (mul *= 0x100)) {
-    val += this[offset + i] * mul
-  }
-  mul *= 0x80
-
-  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
-
-  return val
-}
-
-Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) checkOffset(offset, byteLength, this.length)
-
-  var i = byteLength
-  var mul = 1
-  var val = this[offset + --i]
-  while (i > 0 && (mul *= 0x100)) {
-    val += this[offset + --i] * mul
-  }
-  mul *= 0x80
-
-  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
-
-  return val
-}
-
-Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 1, this.length)
-  if (!(this[offset] & 0x80)) return (this[offset])
-  return ((0xff - this[offset] + 1) * -1)
-}
-
-Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length)
-  var val = this[offset] | (this[offset + 1] << 8)
-  return (val & 0x8000) ? val | 0xFFFF0000 : val
-}
-
-Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length)
-  var val = this[offset + 1] | (this[offset] << 8)
-  return (val & 0x8000) ? val | 0xFFFF0000 : val
-}
-
-Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-
-  return (this[offset]) |
-    (this[offset + 1] << 8) |
-    (this[offset + 2] << 16) |
-    (this[offset + 3] << 24)
-}
-
-Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-
-  return (this[offset] << 24) |
-    (this[offset + 1] << 16) |
-    (this[offset + 2] << 8) |
-    (this[offset + 3])
-}
-
-Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-  return ieee754.read(this, offset, true, 23, 4)
-}
-
-Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-  return ieee754.read(this, offset, false, 23, 4)
-}
-
-Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 8, this.length)
-  return ieee754.read(this, offset, true, 52, 8)
-}
-
-Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 8, this.length)
-  return ieee754.read(this, offset, false, 52, 8)
-}
-
-function checkInt (buf, value, offset, ext, max, min) {
-  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
-  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
-  if (offset + ext > buf.length) throw new RangeError('Index out of range')
-}
-
-Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
-  value = +value
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) {
-    var maxBytes = Math.pow(2, 8 * byteLength) - 1
-    checkInt(this, value, offset, byteLength, maxBytes, 0)
-  }
-
-  var mul = 1
-  var i = 0
-  this[offset] = value & 0xFF
-  while (++i < byteLength && (mul *= 0x100)) {
-    this[offset + i] = (value / mul) & 0xFF
-  }
-
-  return offset + byteLength
-}
-
-Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
-  value = +value
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) {
-    var maxBytes = Math.pow(2, 8 * byteLength) - 1
-    checkInt(this, value, offset, byteLength, maxBytes, 0)
-  }
-
-  var i = byteLength - 1
-  var mul = 1
-  this[offset + i] = value & 0xFF
-  while (--i >= 0 && (mul *= 0x100)) {
-    this[offset + i] = (value / mul) & 0xFF
-  }
-
-  return offset + byteLength
-}
-
-Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
-  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
-  this[offset] = (value & 0xff)
-  return offset + 1
-}
-
-function objectWriteUInt16 (buf, value, offset, littleEndian) {
-  if (value < 0) value = 0xffff + value + 1
-  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
-    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
-      (littleEndian ? i : 1 - i) * 8
-  }
-}
-
-Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff)
-    this[offset + 1] = (value >>> 8)
-  } else {
-    objectWriteUInt16(this, value, offset, true)
-  }
-  return offset + 2
-}
-
-Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 8)
-    this[offset + 1] = (value & 0xff)
-  } else {
-    objectWriteUInt16(this, value, offset, false)
-  }
-  return offset + 2
-}
-
-function objectWriteUInt32 (buf, value, offset, littleEndian) {
-  if (value < 0) value = 0xffffffff + value + 1
-  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
-    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
-  }
-}
-
-Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset + 3] = (value >>> 24)
-    this[offset + 2] = (value >>> 16)
-    this[offset + 1] = (value >>> 8)
-    this[offset] = (value & 0xff)
-  } else {
-    objectWriteUInt32(this, value, offset, true)
-  }
-  return offset + 4
-}
-
-Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 24)
-    this[offset + 1] = (value >>> 16)
-    this[offset + 2] = (value >>> 8)
-    this[offset + 3] = (value & 0xff)
-  } else {
-    objectWriteUInt32(this, value, offset, false)
-  }
-  return offset + 4
-}
-
-Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) {
-    var limit = Math.pow(2, 8 * byteLength - 1)
-
-    checkInt(this, value, offset, byteLength, limit - 1, -limit)
-  }
-
-  var i = 0
-  var mul = 1
-  var sub = 0
-  this[offset] = value & 0xFF
-  while (++i < byteLength && (mul *= 0x100)) {
-    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
-      sub = 1
-    }
-    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
-  }
-
-  return offset + byteLength
-}
-
-Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) {
-    var limit = Math.pow(2, 8 * byteLength - 1)
-
-    checkInt(this, value, offset, byteLength, limit - 1, -limit)
-  }
-
-  var i = byteLength - 1
-  var mul = 1
-  var sub = 0
-  this[offset + i] = value & 0xFF
-  while (--i >= 0 && (mul *= 0x100)) {
-    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
-      sub = 1
-    }
-    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
-  }
-
-  return offset + byteLength
-}
-
-Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
-  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
-  if (value < 0) value = 0xff + value + 1
-  this[offset] = (value & 0xff)
-  return offset + 1
-}
-
-Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff)
-    this[offset + 1] = (value >>> 8)
-  } else {
-    objectWriteUInt16(this, value, offset, true)
-  }
-  return offset + 2
-}
-
-Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 8)
-    this[offset + 1] = (value & 0xff)
-  } else {
-    objectWriteUInt16(this, value, offset, false)
-  }
-  return offset + 2
-}
-
-Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff)
-    this[offset + 1] = (value >>> 8)
-    this[offset + 2] = (value >>> 16)
-    this[offset + 3] = (value >>> 24)
-  } else {
-    objectWriteUInt32(this, value, offset, true)
-  }
-  return offset + 4
-}
-
-Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
-  if (value < 0) value = 0xffffffff + value + 1
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 24)
-    this[offset + 1] = (value >>> 16)
-    this[offset + 2] = (value >>> 8)
-    this[offset + 3] = (value & 0xff)
-  } else {
-    objectWriteUInt32(this, value, offset, false)
-  }
-  return offset + 4
-}
-
-function checkIEEE754 (buf, value, offset, ext, max, min) {
-  if (offset + ext > buf.length) throw new RangeError('Index out of range')
-  if (offset < 0) throw new RangeError('Index out of range')
-}
-
-function writeFloat (buf, value, offset, littleEndian, noAssert) {
-  if (!noAssert) {
-    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
-  }
-  ieee754.write(buf, value, offset, littleEndian, 23, 4)
-  return offset + 4
-}
-
-Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
-  return writeFloat(this, value, offset, true, noAssert)
-}
-
-Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
-  return writeFloat(this, value, offset, false, noAssert)
-}
-
-function writeDouble (buf, value, offset, littleEndian, noAssert) {
-  if (!noAssert) {
-    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
-  }
-  ieee754.write(buf, value, offset, littleEndian, 52, 8)
-  return offset + 8
-}
-
-Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
-  return writeDouble(this, value, offset, true, noAssert)
-}
-
-Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
-  return writeDouble(this, value, offset, false, noAssert)
-}
-
-// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
-Buffer.prototype.copy = function copy (target, targetStart, start, end) {
-  if (!start) start = 0
-  if (!end && end !== 0) end = this.length
-  if (targetStart >= target.length) targetStart = target.length
-  if (!targetStart) targetStart = 0
-  if (end > 0 && end < start) end = start
-
-  // Copy 0 bytes; we're done
-  if (end === start) return 0
-  if (target.length === 0 || this.length === 0) return 0
-
-  // Fatal error conditions
-  if (targetStart < 0) {
-    throw new RangeError('targetStart out of bounds')
-  }
-  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
-  if (end < 0) throw new RangeError('sourceEnd out of bounds')
-
-  // Are we oob?
-  if (end > this.length) end = this.length
-  if (target.length - targetStart < end - start) {
-    end = target.length - targetStart + start
-  }
-
-  var len = end - start
-  var i
-
-  if (this === target && start < targetStart && targetStart < end) {
-    // descending copy from end
-    for (i = len - 1; i >= 0; --i) {
-      target[i + targetStart] = this[i + start]
-    }
-  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
-    // ascending copy from start
-    for (i = 0; i < len; ++i) {
-      target[i + targetStart] = this[i + start]
-    }
-  } else {
-    Uint8Array.prototype.set.call(
-      target,
-      this.subarray(start, start + len),
-      targetStart
-    )
-  }
-
-  return len
-}
-
-// Usage:
-//    buffer.fill(number[, offset[, end]])
-//    buffer.fill(buffer[, offset[, end]])
-//    buffer.fill(string[, offset[, end]][, encoding])
-Buffer.prototype.fill = function fill (val, start, end, encoding) {
-  // Handle string cases:
-  if (typeof val === 'string') {
-    if (typeof start === 'string') {
-      encoding = start
-      start = 0
-      end = this.length
-    } else if (typeof end === 'string') {
-      encoding = end
-      end = this.length
-    }
-    if (val.length === 1) {
-      var code = val.charCodeAt(0)
-      if (code < 256) {
-        val = code
-      }
-    }
-    if (encoding !== undefined && typeof encoding !== 'string') {
-      throw new TypeError('encoding must be a string')
-    }
-    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
-      throw new TypeError('Unknown encoding: ' + encoding)
-    }
-  } else if (typeof val === 'number') {
-    val = val & 255
-  }
-
-  // Invalid ranges are not set to a default, so can range check early.
-  if (start < 0 || this.length < start || this.length < end) {
-    throw new RangeError('Out of range index')
-  }
-
-  if (end <= start) {
-    return this
-  }
-
-  start = start >>> 0
-  end = end === undefined ? this.length : end >>> 0
-
-  if (!val) val = 0
-
-  var i
-  if (typeof val === 'number') {
-    for (i = start; i < end; ++i) {
-      this[i] = val
-    }
-  } else {
-    var bytes = Buffer.isBuffer(val)
-      ? val
-      : utf8ToBytes(new Buffer(val, encoding).toString())
-    var len = bytes.length
-    for (i = 0; i < end - start; ++i) {
-      this[i + start] = bytes[i % len]
-    }
-  }
-
-  return this
-}
-
-// HELPER FUNCTIONS
-// ================
-
-var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g
-
-function base64clean (str) {
-  // Node strips out invalid characters like \n and \t from the string, base64-js does not
-  str = stringtrim(str).replace(INVALID_BASE64_RE, '')
-  // Node converts strings with length < 2 to ''
-  if (str.length < 2) return ''
-  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
-  while (str.length % 4 !== 0) {
-    str = str + '='
-  }
-  return str
-}
-
-function stringtrim (str) {
-  if (str.trim) return str.trim()
-  return str.replace(/^\s+|\s+$/g, '')
-}
-
-function toHex (n) {
-  if (n < 16) return '0' + n.toString(16)
-  return n.toString(16)
-}
-
-function utf8ToBytes (string, units) {
-  units = units || Infinity
-  var codePoint
-  var length = string.length
-  var leadSurrogate = null
-  var bytes = []
-
-  for (var i = 0; i < length; ++i) {
-    codePoint = string.charCodeAt(i)
-
-    // is surrogate component
-    if (codePoint > 0xD7FF && codePoint < 0xE000) {
-      // last char was a lead
-      if (!leadSurrogate) {
-        // no lead yet
-        if (codePoint > 0xDBFF) {
-          // unexpected trail
-          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
-          continue
-        } else if (i + 1 === length) {
-          // unpaired lead
-          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
-          continue
-        }
-
-        // valid lead
-        leadSurrogate = codePoint
-
-        continue
-      }
-
-      // 2 leads in a row
-      if (codePoint < 0xDC00) {
-        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
-        leadSurrogate = codePoint
-        continue
-      }
-
-      // valid surrogate pair
-      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
-    } else if (leadSurrogate) {
-      // valid bmp char, but last char was a lead
-      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
-    }
-
-    leadSurrogate = null
-
-    // encode utf8
-    if (codePoint < 0x80) {
-      if ((units -= 1) < 0) break
-      bytes.push(codePoint)
-    } else if (codePoint < 0x800) {
-      if ((units -= 2) < 0) break
-      bytes.push(
-        codePoint >> 0x6 | 0xC0,
-        codePoint & 0x3F | 0x80
-      )
-    } else if (codePoint < 0x10000) {
-      if ((units -= 3) < 0) break
-      bytes.push(
-        codePoint >> 0xC | 0xE0,
-        codePoint >> 0x6 & 0x3F | 0x80,
-        codePoint & 0x3F | 0x80
-      )
-    } else if (codePoint < 0x110000) {
-      if ((units -= 4) < 0) break
-      bytes.push(
-        codePoint >> 0x12 | 0xF0,
-        codePoint >> 0xC & 0x3F | 0x80,
-        codePoint >> 0x6 & 0x3F | 0x80,
-        codePoint & 0x3F | 0x80
-      )
-    } else {
-      throw new Error('Invalid code point')
-    }
-  }
-
-  return bytes
-}
-
-function asciiToBytes (str) {
-  var byteArray = []
-  for (var i = 0; i < str.length; ++i) {
-    // Node's code seems to be doing this and not & 0x7F..
-    byteArray.push(str.charCodeAt(i) & 0xFF)
-  }
-  return byteArray
-}
-
-function utf16leToBytes (str, units) {
-  var c, hi, lo
-  var byteArray = []
-  for (var i = 0; i < str.length; ++i) {
-    if ((units -= 2) < 0) break
-
-    c = str.charCodeAt(i)
-    hi = c >> 8
-    lo = c % 256
-    byteArray.push(lo)
-    byteArray.push(hi)
-  }
-
-  return byteArray
-}
-
-function base64ToBytes (str) {
-  return base64.toByteArray(base64clean(str))
-}
-
-function blitBuffer (src, dst, offset, length) {
-  for (var i = 0; i < length; ++i) {
-    if ((i + offset >= dst.length) || (i >= src.length)) break
-    dst[i + offset] = src[i]
-  }
-  return i
-}
-
-function isnan (val) {
-  return val !== val // eslint-disable-line no-self-compare
-}
-
-/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(1)))
-
-/***/ },
-/* 8 */
-/***/ function(module, exports) {
-
-exports.read = function (buffer, offset, isLE, mLen, nBytes) {
-  var e, m
-  var eLen = nBytes * 8 - mLen - 1
-  var eMax = (1 << eLen) - 1
-  var eBias = eMax >> 1
-  var nBits = -7
-  var i = isLE ? (nBytes - 1) : 0
-  var d = isLE ? -1 : 1
-  var s = buffer[offset + i]
-
-  i += d
-
-  e = s & ((1 << (-nBits)) - 1)
-  s >>= (-nBits)
-  nBits += eLen
-  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
-
-  m = e & ((1 << (-nBits)) - 1)
-  e >>= (-nBits)
-  nBits += mLen
-  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
-
-  if (e === 0) {
-    e = 1 - eBias
-  } else if (e === eMax) {
-    return m ? NaN : ((s ? -1 : 1) * Infinity)
-  } else {
-    m = m + Math.pow(2, mLen)
-    e = e - eBias
-  }
-  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
-}
-
-exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
-  var e, m, c
-  var eLen = nBytes * 8 - mLen - 1
-  var eMax = (1 << eLen) - 1
-  var eBias = eMax >> 1
-  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
-  var i = isLE ? 0 : (nBytes - 1)
-  var d = isLE ? 1 : -1
-  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
-
-  value = Math.abs(value)
-
-  if (isNaN(value) || value === Infinity) {
-    m = isNaN(value) ? 1 : 0
-    e = eMax
-  } else {
-    e = Math.floor(Math.log(value) / Math.LN2)
-    if (value * (c = Math.pow(2, -e)) < 1) {
-      e--
-      c *= 2
-    }
-    if (e + eBias >= 1) {
-      value += rt / c
-    } else {
-      value += rt * Math.pow(2, 1 - eBias)
-    }
-    if (value * c >= 2) {
-      e++
-      c /= 2
-    }
-
-    if (e + eBias >= eMax) {
-      m = 0
-      e = eMax
-    } else if (e + eBias >= 1) {
-      m = (value * c - 1) * Math.pow(2, mLen)
-      e = e + eBias
-    } else {
-      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
-      e = 0
-    }
-  }
-
-  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
-
-  e = (e << mLen) | m
-  eLen += mLen
-  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
-
-  buffer[offset + i - d] |= s * 128
-}
-
-
-/***/ },
-/* 9 */
-/***/ function(module, exports) {
-
-var toString = {}.toString;
-
-module.exports = Array.isArray || function (arr) {
-  return toString.call(arr) == '[object Array]';
-};
-
-
-/***/ },
-/* 10 */
-/***/ function(module, exports, __webpack_require__) {
-
-/* WEBPACK VAR INJECTION */(function(Buffer, global) {var require;var require;(function(f){if(true){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.mapboxgl = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return require(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-"use strict";function serializePaintVertexArrays(r,e){var t={};for(var a in r){var n=r[a].paintVertexArray;if(0!==n.length){var i=n.serialize(e),s=n.constructor.serialize();t[a]={array:i,type:s}}}return t}var ProgramConfiguration=require("./program_configuration"),Segment=function(r,e){this.vertexOffset=r,this.primitiveOffset=e,this.vertexLength=0,this.primitiveLength=0},ArrayGroup=function(r,e,t){var a=this;this.globalProperties={zoom:t};var n=r.layoutVertexArrayType;this.layoutVertexArray=new n;var i=r.elementArrayType;i&&(this.elementArray=new i);var s=r.elementArrayType2;s&&(this.elementArray2=new s),this.layerData={};for(var y=0,o=e;y<o.length;y+=1){var l=o[y],h=ProgramConfiguration.createDynamic(r.paintAttributes||[],l,t);a.layerData[l.id]={layer:l,programConfiguration:h,paintVertexArray:new h.PaintVertexArray}}this.segments=[],this.segments2=[]};ArrayGroup.prototype.prepareSegment=function(r){var e=this.segments[this.segments.length-1];return(!e||e.vertexLength+r>ArrayGroup.MAX_VERTEX_ARRAY_LENGTH)&&(e=new Segment(this.layoutVertexArray.length,this.elementArray.length),this.segments.push(e)),e},ArrayGroup.prototype.prepareSegment2=function(r){var e=this.segments2[this.segments2.length-1];return(!e||e.vertexLength+r>ArrayGroup.MAX_VERTEX_ARRAY_LENGTH)&&(e=new Segment(this.layoutVertexArray.length,this.elementArray2.length),this.segments2.push(e)),e},ArrayGroup.prototype.populatePaintArrays=function(r){var e=this;for(var t in this.layerData){var a=e.layerData[t];0!==a.paintVertexArray.bytesPerElement&&a.programConfiguration.populatePaintArray(a.layer,a.paintVertexArray,e.layoutVertexArray.length,e.globalProperties,r)}},ArrayGroup.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},ArrayGroup.prototype.serialize=function(r){return{layoutVertexArray:this.layoutVertexArray.serialize(r),elementArray:this.elementArray&&this.elementArray.serialize(r),elementArray2:this.elementArray2&&this.elementArray2.serialize(r),paintVertexArrays:serializePaintVertexArrays(this.layerData,r),segments:this.segments,segments2:this.segments2}},ArrayGroup.MAX_VERTEX_ARRAY_LENGTH=Math.pow(2,16)-1,module.exports=ArrayGroup;
-},{"./program_configuration":15}],2:[function(require,module,exports){
-"use strict";var ArrayGroup=require("./array_group"),BufferGroup=require("./buffer_group"),util=require("../util/util"),Bucket=function(r,e){this.zoom=r.zoom,this.overscaling=r.overscaling,this.layers=r.layers,this.index=r.index,r.arrays?this.buffers=new BufferGroup(e,r.layers,r.zoom,r.arrays):this.arrays=new ArrayGroup(e,r.layers,r.zoom)};Bucket.prototype.populate=function(r,e){for(var t=this,i=0,u=r;i<u.length;i+=1){var a=u[i];t.layers[0].filter(a)&&(t.addFeature(a),e.featureIndex.insert(a,t.index))}},Bucket.prototype.isEmpty=function(){return this.arrays.isEmpty()},Bucket.prototype.serialize=function(r){return{zoom:this.zoom,layerIds:this.layers.map(function(r){return r.id}),arrays:this.arrays.serialize(r)}},Bucket.prototype.destroy=function(){this.buffers&&(this.buffers.destroy(),this.buffers=null)},module.exports=Bucket,Bucket.deserialize=function(r,e){if(e){for(var t={},i=0,u=r;i<u.length;i+=1){var a=u[i],o=a.layerIds.map(function(r){return e.getLayer(r)}).filter(Boolean);if(0!==o.length)for(var s=o[0].createBucket(util.extend({layers:o},a)),n=0,f=o;n<f.length;n+=1){var l=f[n];t[l.id]=s}}return t}};
-},{"../util/util":127,"./array_group":1,"./buffer_group":9}],3:[function(require,module,exports){
-"use strict";function addCircleVertex(e,r,t,a,p){e.emplaceBack(2*r+(a+1)/2,2*t+(p+1)/2)}var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),EXTENT=require("../extent"),circleInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"}]),elementArrayType:createElementArrayType(),paintAttributes:[{property:"circle-color",type:"Uint8"},{property:"circle-radius",type:"Uint16",multiplier:10},{property:"circle-blur",type:"Uint16",multiplier:10},{property:"circle-opacity",type:"Uint8",multiplier:255},{property:"circle-stroke-color",type:"Uint8"},{property:"circle-stroke-width",type:"Uint16",multiplier:10},{property:"circle-stroke-opacity",type:"Uint8",multiplier:255}]},CircleBucket=function(e){function r(r){e.call(this,r,circleInterface)}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.addFeature=function(e){for(var r=this.arrays,t=0,a=loadGeometry(e);t<a.length;t+=1)for(var p=a[t],c=0,i=p;c<i.length;c+=1){var y=i[c],l=y.x,o=y.y;if(!(l<0||l>=EXTENT||o<0||o>=EXTENT)){var n=r.prepareSegment(4),u=n.vertexLength;addCircleVertex(r.layoutVertexArray,l,o,-1,-1),addCircleVertex(r.layoutVertexArray,l,o,1,-1),addCircleVertex(r.layoutVertexArray,l,o,1,1),addCircleVertex(r.layoutVertexArray,l,o,-1,1),r.elementArray.emplaceBack(u,u+1,u+2),r.elementArray.emplaceBack(u,u+3,u+2),n.vertexLength+=4,n.primitiveLength+=2}}r.populatePaintArrays(e.properties)},r}(Bucket);module.exports=CircleBucket;
-},{"../bucket":2,"../element_array_type":10,"../extent":11,"../load_geometry":13,"../vertex_array_type":17}],4:[function(require,module,exports){
-"use strict";var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),earcut=require("earcut"),classifyRings=require("../../util/classify_rings"),EARCUT_MAX_RINGS=500,fillInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"}]),elementArrayType:createElementArrayType(3),elementArrayType2:createElementArrayType(2),paintAttributes:[{property:"fill-color",type:"Uint8"},{property:"fill-outline-color",type:"Uint8"},{property:"fill-opacity",type:"Uint8",multiplier:255}]},FillBucket=function(e){function r(r){e.call(this,r,fillInterface)}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.addFeature=function(e){for(var r=this.arrays,t=0,a=classifyRings(loadGeometry(e),EARCUT_MAX_RINGS);t<a.length;t+=1){for(var l=a[t],p=0,n=0,y=l;n<y.length;n+=1){var o=y[n];p+=o.length}for(var i=r.prepareSegment(p),c=i.vertexLength,u=[],h=[],s=0,g=l;s<g.length;s+=1){var m=g[s];if(0!==m.length){m!==l[0]&&h.push(u.length/2);var f=r.prepareSegment2(m.length),A=f.vertexLength;r.layoutVertexArray.emplaceBack(m[0].x,m[0].y),r.elementArray2.emplaceBack(A+m.length-1,A),u.push(m[0].x),u.push(m[0].y);for(var v=1;v<m.length;v++)r.layoutVertexArray.emplaceBack(m[v].x,m[v].y),r.elementArray2.emplaceBack(A+v-1,A+v),u.push(m[v].x),u.push(m[v].y);f.vertexLength+=m.length,f.primitiveLength+=m.length}}for(var x=earcut(u,h),_=0;_<x.length;_+=3)r.elementArray.emplaceBack(c+x[_],c+x[_+1],c+x[_+2]);i.vertexLength+=p,i.primitiveLength+=x.length/3}r.populatePaintArrays(e.properties)},r}(Bucket);module.exports=FillBucket;
-},{"../../util/classify_rings":111,"../bucket":2,"../element_array_type":10,"../load_geometry":13,"../vertex_array_type":17,"earcut":133}],5:[function(require,module,exports){
-"use strict";function addVertex(e,r,t,a,n,y,o,i){e.emplaceBack(r,t,2*Math.floor(a*FACTOR)+o,n*FACTOR*2,y*FACTOR*2,Math.round(i))}function isBoundaryEdge(e,r){return e.x===r.x&&(e.x<0||e.x>EXTENT)||e.y===r.y&&(e.y<0||e.y>EXTENT)}var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),EXTENT=require("../extent"),earcut=require("earcut"),classifyRings=require("../../util/classify_rings"),EARCUT_MAX_RINGS=500,fillExtrusionInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_normal",components:3,type:"Int16"},{name:"a_edgedistance",components:1,type:"Int16"}]),elementArrayType:createElementArrayType(3),paintAttributes:[{property:"fill-extrusion-base",type:"Uint16"},{property:"fill-extrusion-height",type:"Uint16"},{property:"fill-extrusion-color",type:"Uint8"}]},FACTOR=Math.pow(2,13),FillExtrusionBucket=function(e){function r(r){e.call(this,r,fillExtrusionInterface)}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.addFeature=function(e){for(var r=this.arrays,t=0,a=classifyRings(loadGeometry(e),EARCUT_MAX_RINGS);t<a.length;t+=1){for(var n=a[t],y=0,o=0,i=n;o<i.length;o+=1){var l=i[o];y+=l.length}for(var p=r.prepareSegment(5*y),u=[],c=[],x=[],s=0,d=n;s<d.length;s+=1){var h=d[s];if(0!==h.length){h!==n[0]&&c.push(u.length/2);for(var m=0,f=0;f<h.length;f++){var A=h[f];if(addVertex(r.layoutVertexArray,A.x,A.y,0,0,1,1,0),x.push(p.vertexLength++),f>=1){var g=h[f-1];if(!isBoundaryEdge(A,g)){var _=A.sub(g)._perp()._unit();addVertex(r.layoutVertexArray,A.x,A.y,_.x,_.y,0,0,m),addVertex(r.layoutVertexArray,A.x,A.y,_.x,_.y,0,1,m),m+=g.dist(A),addVertex(r.layoutVertexArray,g.x,g.y,_.x,_.y,0,0,m),addVertex(r.layoutVertexArray,g.x,g.y,_.x,_.y,0,1,m);var v=p.vertexLength;r.elementArray.emplaceBack(v,v+1,v+2),r.elementArray.emplaceBack(v+1,v+2,v+3),p.vertexLength+=4,p.primitiveLength+=2}}u.push(A.x),u.push(A.y)}}}for(var T=earcut(u,c),E=0;E<T.length;E+=3)r.elementArray.emplaceBack(x[T[E]],x[T[E+1]],x[T[E+2]]);p.primitiveLength+=T.length/3}r.populatePaintArrays(e.properties)},r}(Bucket);module.exports=FillExtrusionBucket;
-},{"../../util/classify_rings":111,"../bucket":2,"../element_array_type":10,"../extent":11,"../load_geometry":13,"../vertex_array_type":17,"earcut":133}],6:[function(require,module,exports){
-"use strict";function addLineVertex(e,t,r,i,a,n,d){e.emplaceBack(t.x<<1|i,t.y<<1|a,Math.round(EXTRUDE_SCALE*r.x)+128,Math.round(EXTRUDE_SCALE*r.y)+128,(0===n?0:n<0?-1:1)+1|(d*LINE_DISTANCE_SCALE&63)<<2,d*LINE_DISTANCE_SCALE>>6)}var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),EXTENT=require("../extent"),EXTRUDE_SCALE=63,COS_HALF_SHARP_CORNER=Math.cos(37.5*(Math.PI/180)),SHARP_CORNER_OFFSET=15,LINE_DISTANCE_BUFFER_BITS=15,LINE_DISTANCE_SCALE=.5,MAX_LINE_DISTANCE=Math.pow(2,LINE_DISTANCE_BUFFER_BITS-1)/LINE_DISTANCE_SCALE,lineInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_data",components:4,type:"Uint8"}]),paintAttributes:[{property:"line-color",type:"Uint8"},{property:"line-blur",multiplier:10,type:"Uint8"},{property:"line-opacity",multiplier:10,type:"Uint8"},{property:"line-gap-width",multiplier:10,type:"Uint8",name:"a_gapwidth"},{property:"line-offset",multiplier:1,type:"Int8"}],elementArrayType:createElementArrayType()},LineBucket=function(e){function t(t){e.call(this,t,lineInterface)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.addFeature=function(e){for(var t=this,r=this.layers[0].layout,i=r["line-join"],a=r["line-cap"],n=r["line-miter-limit"],d=r["line-round-limit"],s=0,u=loadGeometry(e,LINE_DISTANCE_BUFFER_BITS);s<u.length;s+=1){var l=u[s];t.addLine(l,e.properties,i,a,n,d)}},t.prototype.addLine=function(e,t,r,i,a,n){for(var d=this,s=e.length;s>2&&e[s-1].equals(e[s-2]);)s--;if(!(e.length<2)){"bevel"===r&&(a=1.05);var u=SHARP_CORNER_OFFSET*(EXTENT/(512*this.overscaling)),l=e[0],p=e[s-1],o=l.equals(p),c=this.arrays,_=c.prepareSegment(10*s);if(2!==s||!o){this.distance=0;var h,y,m,E,x,C,A,f=i,v=o?"butt":i,L=!0;this.e1=this.e2=this.e3=-1,o&&(h=e[s-2],x=l.sub(h)._unit()._perp());for(var S=0;S<s;S++)if(m=o&&S===s-1?e[1]:e[S+1],!m||!e[S].equals(m)){x&&(E=x),h&&(y=h),h=e[S],x=m?m.sub(h)._unit()._perp():E,E=E||x;var V=E.add(x)._unit(),T=V.x*x.x+V.y*x.y,I=1/T,N=T<COS_HALF_SHARP_CORNER&&y&&m;if(N&&S>0){var b=h.dist(y);if(b>2*u){var R=h.sub(h.sub(y)._mult(u/b)._round());d.distance+=R.dist(y),d.addCurrentVertex(R,d.distance,E.mult(1),0,0,!1,_),y=R}}var g=y&&m,B=g?r:m?f:v;if(g&&"round"===B&&(I<n?B="miter":I<=2&&(B="fakeround")),"miter"===B&&I>a&&(B="bevel"),"bevel"===B&&(I>2&&(B="flipbevel"),I<a&&(B="miter")),y&&(d.distance+=h.dist(y)),"miter"===B)V._mult(I),d.addCurrentVertex(h,d.distance,V,0,0,!1,_);else if("flipbevel"===B){if(I>100)V=x.clone();else{var F=E.x*x.y-E.y*x.x>0?-1:1,k=I*E.add(x).mag()/E.sub(x).mag();V._perp()._mult(k*F)}d.addCurrentVertex(h,d.distance,V,0,0,!1,_),d.addCurrentVertex(h,d.distance,V.mult(-1),0,0,!1,_)}else if("bevel"===B||"fakeround"===B){var D=E.x*x.y-E.y*x.x>0,U=-Math.sqrt(I*I-1);if(D?(A=0,C=U):(C=0,A=U),L||d.addCurrentVertex(h,d.distance,E,C,A,!1,_),"fakeround"===B){for(var q,P=Math.floor(8*(.5-(T-.5))),M=0;M<P;M++)q=x.mult((M+1)/(P+1))._add(E)._unit(),d.addPieSliceVertex(h,d.distance,q,D,_);d.addPieSliceVertex(h,d.distance,V,D,_);for(var O=P-1;O>=0;O--)q=E.mult((O+1)/(P+1))._add(x)._unit(),d.addPieSliceVertex(h,d.distance,q,D,_)}m&&d.addCurrentVertex(h,d.distance,x,-C,-A,!1,_)}else"butt"===B?(L||d.addCurrentVertex(h,d.distance,E,0,0,!1,_),m&&d.addCurrentVertex(h,d.distance,x,0,0,!1,_)):"square"===B?(L||(d.addCurrentVertex(h,d.distance,E,1,1,!1,_),d.e1=d.e2=-1),m&&d.addCurrentVertex(h,d.distance,x,-1,-1,!1,_)):"round"===B&&(L||(d.addCurrentVertex(h,d.distance,E,0,0,!1,_),d.addCurrentVertex(h,d.distance,E,1,1,!0,_),d.e1=d.e2=-1),m&&(d.addCurrentVertex(h,d.distance,x,-1,-1,!0,_),d.addCurrentVertex(h,d.distance,x,0,0,!1,_)));if(N&&S<s-1){var X=h.dist(m);if(X>2*u){var H=h.add(m.sub(h)._mult(u/X)._round());d.distance+=H.dist(h),d.addCurrentVertex(H,d.distance,x.mult(1),0,0,!1,_),h=H}}L=!1}c.populatePaintArrays(t)}}},t.prototype.addCurrentVertex=function(e,t,r,i,a,n,d){var s,u=n?1:0,l=this.arrays,p=l.layoutVertexArray,o=l.elementArray;s=r.clone(),i&&s._sub(r.perp()._mult(i)),addLineVertex(p,e,s,u,0,i,t),this.e3=d.vertexLength++,this.e1>=0&&this.e2>=0&&(o.emplaceBack(this.e1,this.e2,this.e3),d.primitiveLength++),this.e1=this.e2,this.e2=this.e3,s=r.mult(-1),a&&s._sub(r.perp()._mult(a)),addLineVertex(p,e,s,u,1,-a,t),this.e3=d.vertexLength++,this.e1>=0&&this.e2>=0&&(o.emplaceBack(this.e1,this.e2,this.e3),d.primitiveLength++),this.e1=this.e2,this.e2=this.e3,t>MAX_LINE_DISTANCE/2&&(this.distance=0,this.addCurrentVertex(e,this.distance,r,i,a,n,d))},t.prototype.addPieSliceVertex=function(e,t,r,i,a){var n=i?1:0;r=r.mult(i?-1:1);var d=this.arrays,s=d.layoutVertexArray,u=d.elementArray;addLineVertex(s,e,r,0,n,0,t),this.e3=a.vertexLength++,this.e1>=0&&this.e2>=0&&(u.emplaceBack(this.e1,this.e2,this.e3),a.primitiveLength++),i?this.e2=this.e3:this.e1=this.e3},t}(Bucket);module.exports=LineBucket;
-},{"../bucket":2,"../element_array_type":10,"../extent":11,"../load_geometry":13,"../vertex_array_type":17}],7:[function(require,module,exports){
-"use strict";function addVertex(e,t,o,a,r,n,i,s,l,y,c){e.emplaceBack(t,o,Math.round(64*a),Math.round(64*r),n/4,i/4,10*(y||0),c,10*(s||0),10*Math.min(l||25,25))}function addCollisionBoxVertex(e,t,o,a,r){return e.emplaceBack(t.x,t.y,Math.round(o.x),Math.round(o.y),10*a,10*r)}var Point=require("point-geometry"),ArrayGroup=require("../array_group"),BufferGroup=require("../buffer_group"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),EXTENT=require("../extent"),Anchor=require("../../symbol/anchor"),getAnchors=require("../../symbol/get_anchors"),resolveTokens=require("../../util/token"),Quads=require("../../symbol/quads"),Shaping=require("../../symbol/shaping"),resolveText=require("../../symbol/resolve_text"),mergeLines=require("../../symbol/mergelines"),clipLine=require("../../symbol/clip_line"),util=require("../../util/util"),scriptDetection=require("../../util/script_detection"),loadGeometry=require("../load_geometry"),CollisionFeature=require("../../symbol/collision_feature"),findPoleOfInaccessibility=require("../../util/find_pole_of_inaccessibility"),classifyRings=require("../../util/classify_rings"),VectorTileFeature=require("vector-tile").VectorTileFeature,shapeText=Shaping.shapeText,shapeIcon=Shaping.shapeIcon,WritingMode=Shaping.WritingMode,getGlyphQuads=Quads.getGlyphQuads,getIconQuads=Quads.getIconQuads,elementArrayType=createElementArrayType(),layoutVertexArrayType=createVertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_offset",components:2,type:"Int16"},{name:"a_texture_pos",components:2,type:"Uint16"},{name:"a_data",components:4,type:"Uint8"}]),symbolInterfaces={glyph:{layoutVertexArrayType:layoutVertexArrayType,elementArrayType:elementArrayType},icon:{layoutVertexArrayType:layoutVertexArrayType,elementArrayType:elementArrayType},collisionBox:{layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_extrude",components:2,type:"Int16"},{name:"a_data",components:2,type:"Uint8"}]),elementArrayType:createElementArrayType(2)}},SymbolBucket=function(e){var t=this;if(this.collisionBoxArray=e.collisionBoxArray,this.symbolQuadsArray=e.symbolQuadsArray,this.symbolInstancesArray=e.symbolInstancesArray,this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.sdfIcons=e.sdfIcons,this.iconsNeedLinear=e.iconsNeedLinear,this.adjustedTextSize=e.adjustedTextSize,this.adjustedIconSize=e.adjustedIconSize,this.fontstack=e.fontstack,e.arrays){this.buffers={};for(var o in e.arrays)e.arrays[o]&&(t.buffers[o]=new BufferGroup(symbolInterfaces[o],e.layers,e.zoom,e.arrays[o]))}};SymbolBucket.prototype.populate=function(e,t){var o=this,a=this.layers[0].layout,r=a["text-field"],n=a["text-font"],i=a["icon-image"],s=r&&n,l=i;if(this.features=[],s||l){for(var y=t.iconDependencies,c=t.glyphDependencies,d=c[n]=c[n]||{},h=0;h<e.length;h++){var x=e[h];if(o.layers[0].filter(x)){var u;s&&(u=resolveText(x,a));var m;if(l&&(m=resolveTokens(x.properties,i)),(u||m)&&(o.features.push({text:u,icon:m,index:h,sourceLayerIndex:x.sourceLayerIndex,geometry:loadGeometry(x),properties:x.properties,type:VectorTileFeature.types[x.type]}),m&&(y[m]=!0),u))for(var p=0;p<u.length;p++)d[u.charCodeAt(p)]=!0}}"line"===a["symbol-placement"]&&(this.features=mergeLines(this.features))}},SymbolBucket.prototype.isEmpty=function(){return this.arrays.icon.isEmpty()&&this.arrays.glyph.isEmpty()&&this.arrays.collisionBox.isEmpty()},SymbolBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),sdfIcons:this.sdfIcons,iconsNeedLinear:this.iconsNeedLinear,adjustedTextSize:this.adjustedTextSize,adjustedIconSize:this.adjustedIconSize,fontstack:this.fontstack,arrays:util.mapObject(this.arrays,function(t){return t.isEmpty()?null:t.serialize(e)})}},SymbolBucket.prototype.destroy=function(){this.buffers&&(this.buffers.icon&&this.buffers.icon.destroy(),this.buffers.glyph&&this.buffers.glyph.destroy(),this.buffers.collisionBox&&this.buffers.collisionBox.destroy(),this.buffers=null)},SymbolBucket.prototype.createArrays=function(){var e=this;this.arrays=util.mapObject(symbolInterfaces,function(t){return new ArrayGroup(t,e.layers,e.zoom)})},SymbolBucket.prototype.prepare=function(e,t){var o=this;this.createArrays(),this.adjustedTextMaxSize=this.layers[0].getLayoutValue("text-size",{zoom:18}),this.adjustedTextSize=this.layers[0].getLayoutValue("text-size",{zoom:this.zoom+1}),this.adjustedIconMaxSize=this.layers[0].getLayoutValue("icon-size",{zoom:18}),this.adjustedIconSize=this.layers[0].getLayoutValue("icon-size",{zoom:this.zoom+1});var a=512*this.overscaling;this.tilePixelRatio=EXTENT/a,this.compareText={},this.iconsNeedLinear=!1,this.symbolInstancesStartIndex=this.symbolInstancesArray.length;var r=this.layers[0].layout,n=.5,i=.5;switch(r["text-anchor"]){case"right":case"top-right":case"bottom-right":n=1;break;case"left":case"top-left":case"bottom-left":n=0}switch(r["text-anchor"]){case"bottom":case"bottom-right":case"bottom-left":i=1;break;case"top":case"top-right":case"top-left":i=0}for(var s="right"===r["text-justify"]?1:"left"===r["text-justify"]?0:.5,l=24,y=r["text-line-height"]*l,c="line"!==r["symbol-placement"]?r["text-max-width"]*l:0,d=r["text-letter-spacing"]*l,h=[r["text-offset"][0]*l,r["text-offset"][1]*l],x=this.fontstack=r["text-font"].join(","),u="map"===r["text-rotation-alignment"]&&"line"===r["symbol-placement"],m=0,p=this.features;m<p.length;m+=1){var g,f=p[m];if(f.text){var b=scriptDetection.allowsVerticalWritingMode(f.text);g={},g[WritingMode.horizontal]=shapeText(f.text,e[x],c,y,n,i,s,d,h,l,WritingMode.horizontal),g[WritingMode.vertical]=b&&u&&shapeText(f.text,e[x],c,y,n,i,s,d,h,l,WritingMode.vertical)}else g={};var I;if(f.icon){var v=t[f.icon],S=o.layers[0].getLayoutValue("icon-offset",{zoom:o.zoom},f.properties);I=shapeIcon(v,S),v&&(void 0===o.sdfIcons?o.sdfIcons=v.sdf:o.sdfIcons!==v.sdf&&util.warnOnce("Style sheet warning: Cannot mix SDF and non-SDF icons in one buffer"),1!==v.pixelRatio?o.iconsNeedLinear=!0:0===r["icon-rotate"]&&o.layers[0].isLayoutValueFeatureConstant("icon-rotate")||(o.iconsNeedLinear=!0))}(g[WritingMode.horizontal]||I)&&o.addFeature(f,g,I)}this.symbolInstancesEndIndex=this.symbolInstancesArray.length},SymbolBucket.prototype.addFeature=function(e,t,o){var a=this,r=this.layers[0].layout,n=24,i=this.adjustedTextSize/n,s=void 0!==this.adjustedTextMaxSize?this.adjustedTextMaxSize:this.adjustedTextSize,l=this.tilePixelRatio*i,y=this.tilePixelRatio*s/n,c=this.tilePixelRatio*this.adjustedIconSize,d=this.tilePixelRatio*r["symbol-spacing"],h=r["symbol-avoid-edges"],x=r["text-padding"]*this.tilePixelRatio,u=r["icon-padding"]*this.tilePixelRatio,m=r["text-max-angle"]/180*Math.PI,p="map"===r["text-rotation-alignment"]&&"line"===r["symbol-placement"],g="map"===r["icon-rotation-alignment"]&&"line"===r["symbol-placement"],f=r["text-allow-overlap"]||r["icon-allow-overlap"]||r["text-ignore-placement"]||r["icon-ignore-placement"],b=r["symbol-placement"],I=d/2,v=function(r,n){var i=!(n.x<0||n.x>EXTENT||n.y<0||n.y>EXTENT);if(!h||i){var s=i||f;a.addSymbolInstance(n,r,t,o,a.layers[0],s,a.symbolInstancesArray.length,a.collisionBoxArray,e.index,e.sourceLayerIndex,a.index,l,x,p,c,u,g,{zoom:a.zoom},e.properties)}};if("line"===b)for(var S=0,A=clipLine(e.geometry,0,0,EXTENT,EXTENT);S<A.length;S+=1)for(var M=A[S],B=getAnchors(M,d,m,t[WritingMode.vertical]||t[WritingMode.horizontal],o,n,y,a.overscaling,EXTENT),T=0,z=B;T<z.length;T+=1){var E=z[T],k=t[WritingMode.horizontal];k&&a.anchorIsTooClose(k.text,I,E)||v(M,E)}else if("Polygon"===e.type)for(var P=0,L=classifyRings(e.geometry,0);P<L.length;P+=1){var w=L[P],V=findPoleOfInaccessibility(w,16);v(w[0],new Anchor(V.x,V.y,0))}else if("LineString"===e.type)for(var _=0,Q=e.geometry;_<Q.length;_+=1){var j=Q[_];v(j,new Anchor(j[0].x,j[0].y,0))}else if("Point"===e.type)for(var q=0,C=e.geometry;q<C.length;q+=1)for(var F=C[q],N=0,W=F;N<W.length;N+=1){var X=W[N];v([X],new Anchor(X.x,X.y,0))}},SymbolBucket.prototype.anchorIsTooClose=function(e,t,o){var a=this.compareText;if(e in a){for(var r=a[e],n=r.length-1;n>=0;n--)if(o.dist(r[n])<t)return!0}else a[e]=[];return a[e].push(o),!1},SymbolBucket.prototype.place=function(e,t){var o=this;this.createArrays();var a=this.layers[0].layout,r=e.maxScale,n="map"===a["text-rotation-alignment"]&&"line"===a["symbol-placement"],i="map"===a["icon-rotation-alignment"]&&"line"===a["symbol-placement"],s=a["text-allow-overlap"]||a["icon-allow-overlap"]||a["text-ignore-placement"]||a["icon-ignore-placement"];if(s){var l=this.symbolInstancesArray.toArray(this.symbolInstancesStartIndex,this.symbolInstancesEndIndex),y=e.angle,c=Math.sin(y),d=Math.cos(y);this.sortedSymbolInstances=l.sort(function(e,t){var o=c*e.anchorPointX+d*e.anchorPointY|0,a=c*t.anchorPointX+d*t.anchorPointY|0;return o-a||t.index-e.index})}for(var h=this.symbolInstancesStartIndex;h<this.symbolInstancesEndIndex;h++){var x=o.sortedSymbolInstances?o.sortedSymbolInstances[h-o.symbolInstancesStartIndex]:o.symbolInstancesArray.get(h),u={boxStartIndex:x.textBoxStartIndex,boxEndIndex:x.textBoxEndIndex},m={boxStartIndex:x.iconBoxStartIndex,boxEndIndex:x.iconBoxEndIndex},p=!(x.textBoxStartIndex===x.textBoxEndIndex),g=!(x.iconBoxStartIndex===x.iconBoxEndIndex),f=a["text-optional"]||!p,b=a["icon-optional"]||!g,I=p?e.placeCollisionFeature(u,a["text-allow-overlap"],a["symbol-avoid-edges"]):e.minScale,v=g?e.placeCollisionFeature(m,a["icon-allow-overlap"],a["symbol-avoid-edges"]):e.minScale;f||b?!b&&I?I=Math.max(v,I):!f&&v&&(v=Math.max(v,I)):v=I=Math.max(v,I),p&&(e.insertCollisionFeature(u,I,a["text-ignore-placement"]),I<=r&&o.addSymbols(o.arrays.glyph,x.glyphQuadStartIndex,x.glyphQuadEndIndex,I,a["text-keep-upright"],n,e.angle,x.writingModes)),g&&(e.insertCollisionFeature(m,v,a["icon-ignore-placement"]),v<=r&&o.addSymbols(o.arrays.icon,x.iconQuadStartIndex,x.iconQuadEndIndex,v,a["icon-keep-upright"],i,e.angle))}t&&this.addToDebugBuffers(e)},SymbolBucket.prototype.addSymbols=function(e,t,o,a,r,n,i,s){for(var l=this,y=e.elementArray,c=e.layoutVertexArray,d=this.zoom,h=Math.max(Math.log(a)/Math.LN2+d,0),x=t;x<o;x++){var u=l.symbolQuadsArray.get(x).SymbolQuad,m=(u.anchorAngle+i+Math.PI)%(2*Math.PI);if(s&WritingMode.vertical){if(n&&u.writingMode===WritingMode.vertical){if(r&&n&&m<=5*Math.PI/4||m>7*Math.PI/4)continue}else if(r&&n&&m<=3*Math.PI/4||m>5*Math.PI/4)continue}else if(r&&n&&(m<=Math.PI/2||m>3*Math.PI/2))continue;var p=u.tl,g=u.tr,f=u.bl,b=u.br,I=u.tex,v=u.anchorPoint,S=Math.max(d+Math.log(u.minScale)/Math.LN2,h),A=Math.min(d+Math.log(u.maxScale)/Math.LN2,25);if(!(A<=S)){S===h&&(S=0);var M=Math.round(u.glyphAngle/(2*Math.PI)*256),B=e.prepareSegment(4),T=B.vertexLength;addVertex(c,v.x,v.y,p.x,p.y,I.x,I.y,S,A,h,M),addVertex(c,v.x,v.y,g.x,g.y,I.x+I.w,I.y,S,A,h,M),addVertex(c,v.x,v.y,f.x,f.y,I.x,I.y+I.h,S,A,h,M),addVertex(c,v.x,v.y,b.x,b.y,I.x+I.w,I.y+I.h,S,A,h,M),y.emplaceBack(T,T+1,T+2),y.emplaceBack(T+1,T+2,T+3),B.vertexLength+=4,B.primitiveLength+=2}}},SymbolBucket.prototype.addToDebugBuffers=function(e){for(var t=this,o=this.arrays.collisionBox,a=o.layoutVertexArray,r=o.elementArray,n=-e.angle,i=e.yStretch,s=this.symbolInstancesStartIndex;s<this.symbolInstancesEndIndex;s++){var l=t.symbolInstancesArray.get(s);l.textCollisionFeature={boxStartIndex:l.textBoxStartIndex,boxEndIndex:l.textBoxEndIndex},l.iconCollisionFeature={boxStartIndex:l.iconBoxStartIndex,boxEndIndex:l.iconBoxEndIndex};for(var y=0;y<2;y++){var c=l[0===y?"textCollisionFeature":"iconCollisionFeature"];if(c)for(var d=c.boxStartIndex;d<c.boxEndIndex;d++){var h=t.collisionBoxArray.get(d),x=h.anchorPoint,u=new Point(h.x1,h.y1*i)._rotate(n),m=new Point(h.x2,h.y1*i)._rotate(n),p=new Point(h.x1,h.y2*i)._rotate(n),g=new Point(h.x2,h.y2*i)._rotate(n),f=Math.max(0,Math.min(25,t.zoom+Math.log(h.maxScale)/Math.LN2)),b=Math.max(0,Math.min(25,t.zoom+Math.log(h.placementScale)/Math.LN2)),I=o.prepareSegment(4),v=I.vertexLength;addCollisionBoxVertex(a,x,u,f,b),addCollisionBoxVertex(a,x,m,f,b),addCollisionBoxVertex(a,x,g,f,b),addCollisionBoxVertex(a,x,p,f,b),r.emplaceBack(v,v+1),r.emplaceBack(v+1,v+2),r.emplaceBack(v+2,v+3),r.emplaceBack(v+3,v),I.vertexLength+=4,I.primitiveLength+=4}}}},SymbolBucket.prototype.addSymbolInstance=function(e,t,o,a,r,n,i,s,l,y,c,d,h,x,u,m,p,g,f){var b,I,v,S=this,A=[];for(var M in o){var B=parseInt(M,10);o[B]&&(A=A.concat(n?getGlyphQuads(e,o[B],d,t,r,x,B):[]),b=new CollisionFeature(s,t,e,l,y,c,o[B],d,h,x,!1))}var T=this.symbolQuadsArray.length;if(A&&A.length)for(var z=0;z<A.length;z++)S.addSymbolQuad(A[z]);var E=this.symbolQuadsArray.length,k=b?b.boxStartIndex:this.collisionBoxArray.length,P=b?b.boxEndIndex:this.collisionBoxArray.length;a&&(v=n?getIconQuads(e,a,u,t,r,p,o[WritingMode.horizontal],g,f):[],I=new CollisionFeature(s,t,e,l,y,c,a,u,m,p,!0));var L=this.symbolQuadsArray.length;v&&1===v.length&&this.addSymbolQuad(v[0]);var w=this.symbolQuadsArray.length,V=I?I.boxStartIndex:this.collisionBoxArray.length,_=I?I.boxEndIndex:this.collisionBoxArray.length;w>SymbolBucket.MAX_QUADS&&util.warnOnce("Too many symbols being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),E>SymbolBucket.MAX_QUADS&&util.warnOnce("Too many glyphs being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907");var Q=(o[WritingMode.vertical]?WritingMode.vertical:0)|(o[WritingMode.horizontal]?WritingMode.horizontal:0);return this.symbolInstancesArray.emplaceBack(k,P,V,_,T,E,L,w,e.x,e.y,i,Q)},SymbolBucket.prototype.addSymbolQuad=function(e){return this.symbolQuadsArray.emplaceBack(e.anchorPoint.x,e.anchorPoint.y,e.tl.x,e.tl.y,e.tr.x,e.tr.y,e.bl.x,e.bl.y,e.br.x,e.br.y,e.tex.h,e.tex.w,e.tex.x,e.tex.y,e.anchorAngle,e.glyphAngle,e.maxScale,e.minScale,e.writingMode)},SymbolBucket.MAX_QUADS=65535,module.exports=SymbolBucket;
-},{"../../symbol/anchor":73,"../../symbol/clip_line":75,"../../symbol/collision_feature":77,"../../symbol/get_anchors":79,"../../symbol/mergelines":82,"../../symbol/quads":83,"../../symbol/resolve_text":84,"../../symbol/shaping":85,"../../util/classify_rings":111,"../../util/find_pole_of_inaccessibility":117,"../../util/script_detection":124,"../../util/token":126,"../../util/util":127,"../array_group":1,"../buffer_group":9,"../element_array_type":10,"../extent":11,"../load_geometry":13,"../vertex_array_type":17,"point-geometry":194,"vector-tile":204}],8:[function(require,module,exports){
-"use strict";var AttributeType={Int8:"BYTE",Uint8:"UNSIGNED_BYTE",Int16:"SHORT",Uint16:"UNSIGNED_SHORT"},Buffer=function(e,t,r){this.arrayBuffer=e.arrayBuffer,this.length=e.length,this.attributes=t.members,this.itemSize=t.bytesPerElement,this.type=r,this.arrayType=t};Buffer.fromStructArray=function(e,t){return new Buffer(e.serialize(),e.constructor.serialize(),t)},Buffer.prototype.bind=function(e){var t=e[this.type];this.buffer?e.bindBuffer(t,this.buffer):(this.gl=e,this.buffer=e.createBuffer(),e.bindBuffer(t,this.buffer),e.bufferData(t,this.arrayBuffer,e.STATIC_DRAW),this.arrayBuffer=null)},Buffer.prototype.setVertexAttribPointers=function(e,t,r){for(var f=this,i=0;i<this.attributes.length;i++){var u=f.attributes[i],s=t[u.name];void 0!==s&&e.vertexAttribPointer(s,u.components,e[AttributeType[u.type]],!1,f.arrayType.bytesPerElement,u.offset+(f.arrayType.bytesPerElement*r||0))}},Buffer.prototype.destroy=function(){this.buffer&&this.gl.deleteBuffer(this.buffer)},Buffer.BufferType={VERTEX:"ARRAY_BUFFER",ELEMENT:"ELEMENT_ARRAY_BUFFER"},module.exports=Buffer;
-},{}],9:[function(require,module,exports){
-"use strict";var util=require("../util/util"),Buffer=require("./buffer"),ProgramConfiguration=require("./program_configuration"),VertexArrayObject=require("../render/vertex_array_object"),BufferGroup=function(e,r,t,a){var f=this;this.layoutVertexBuffer=new Buffer(a.layoutVertexArray,e.layoutVertexArrayType.serialize(),Buffer.BufferType.VERTEX),a.elementArray&&(this.elementBuffer=new Buffer(a.elementArray,e.elementArrayType.serialize(),Buffer.BufferType.ELEMENT)),a.elementArray2&&(this.elementBuffer2=new Buffer(a.elementArray2,e.elementArrayType2.serialize(),Buffer.BufferType.ELEMENT)),this.layerData={};for(var i=0,n=r;i<n.length;i+=1){var u=n[i],s=a.paintVertexArrays&&a.paintVertexArrays[u.id],o=ProgramConfiguration.createDynamic(e.paintAttributes||[],u,t),y=s?new Buffer(s.array,s.type,Buffer.BufferType.VERTEX):null;f.layerData[u.id]={programConfiguration:o,paintVertexBuffer:y}}this.segments=a.segments,this.segments2=a.segments2;for(var l=0,m=[this.segments,this.segments2];l<m.length;l+=1)for(var B=m[l],h=0,p=B||[];h<p.length;h+=1){var g=p[h];g.vaos=util.mapObject(f.layerData,function(){return new VertexArrayObject})}};BufferGroup.prototype.destroy=function(){var e=this;this.layoutVertexBuffer.destroy(),this.elementBuffer&&this.elementBuffer.destroy(),this.elementBuffer2&&this.elementBuffer2.destroy();for(var r in this.layerData){var t=e.layerData[r].paintVertexBuffer;t&&t.destroy()}for(var a=0,f=[this.segments,this.segments2];a<f.length;a+=1)for(var i=f[a],n=0,u=i||[];n<u.length;n+=1){var s=u[n];for(var o in s.vaos)s.vaos[o].destroy()}},module.exports=BufferGroup;
-},{"../render/vertex_array_object":39,"../util/util":127,"./buffer":8,"./program_configuration":15}],10:[function(require,module,exports){
-"use strict";function createElementArrayType(e){return createStructArrayType({members:[{type:"Uint16",name:"vertices",components:e||3}]})}var createStructArrayType=require("../util/struct_array");module.exports=createElementArrayType;
-},{"../util/struct_array":125}],11:[function(require,module,exports){
-"use strict";module.exports=8192;
-},{}],12:[function(require,module,exports){
-"use strict";function translateDistance(e){return Math.sqrt(e[0]*e[0]+e[1]*e[1])}function topDownFeatureComparator(e,t){return t-e}function getLineWidth(e){return e["line-gap-width"]>0?e["line-gap-width"]+2*e["line-width"]:e["line-width"]}function translate(e,t,r,i,n){if(!t[0]&&!t[1])return e;t=Point.convert(t),"viewport"===r&&t._rotate(-i);for(var a=[],o=0;o<e.length;o++){for(var s=e[o],l=[],u=0;u<s.length;u++)l.push(s[u].sub(t._mult(n)));a.push(l)}return a}function offsetLine(e,t){for(var r=[],i=new Point(0,0),n=0;n<e.length;n++){for(var a=e[n],o=[],s=0;s<a.length;s++){var l=a[s-1],u=a[s],c=a[s+1],y=0===s?i:u.sub(l)._unit()._perp(),f=s===a.length-1?i:c.sub(u)._unit()._perp(),d=y._add(f)._unit(),h=d.x*f.x+d.y*f.y;d._mult(1/h),o.push(d._mult(t)._add(u))}r.push(o)}return r}var Point=require("point-geometry"),loadGeometry=require("./load_geometry"),EXTENT=require("./extent"),featureFilter=require("feature-filter"),createStructArrayType=require("../util/struct_array"),Grid=require("grid-index"),DictionaryCoder=require("../util/dictionary_coder"),vt=require("vector-tile"),Protobuf=require("pbf"),GeoJSONFeature=require("../util/vectortile_to_geojson"),arraysIntersect=require("../util/util").arraysIntersect,intersection=require("../util/intersection_tests"),multiPolygonIntersectsBufferedMultiPoint=intersection.multiPolygonIntersectsBufferedMultiPoint,multiPolygonIntersectsMultiPolygon=intersection.multiPolygonIntersectsMultiPolygon,multiPolygonIntersectsBufferedMultiLine=intersection.multiPolygonIntersectsBufferedMultiLine,FeatureIndexArray=createStructArrayType({members:[{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"}]}),FeatureIndex=function(e,t,r){if(e.grid){var i=e,n=t;e=i.coord,t=i.overscaling,this.grid=new Grid(i.grid),this.featureIndexArray=new FeatureIndexArray(i.featureIndexArray),this.rawTileData=n,this.bucketLayerIDs=i.bucketLayerIDs}else this.grid=new Grid(EXTENT,16,0),this.featureIndexArray=new FeatureIndexArray;this.coord=e,this.overscaling=t,this.x=e.x,this.y=e.y,this.z=e.z-Math.log(t)/Math.LN2,this.setCollisionTile(r)};FeatureIndex.prototype.insert=function(e,t){var r=this,i=this.featureIndexArray.length;this.featureIndexArray.emplaceBack(e.index,e.sourceLayerIndex,t);for(var n=loadGeometry(e),a=0;a<n.length;a++){for(var o=n[a],s=[1/0,1/0,-(1/0),-(1/0)],l=0;l<o.length;l++){var u=o[l];s[0]=Math.min(s[0],u.x),s[1]=Math.min(s[1],u.y),s[2]=Math.max(s[2],u.x),s[3]=Math.max(s[3],u.y)}r.grid.insert(i,s[0],s[1],s[2],s[3])}},FeatureIndex.prototype.setCollisionTile=function(e){this.collisionTile=e},FeatureIndex.prototype.serialize=function(e){var t=this.grid.toArrayBuffer();return e&&e.push(t),{coord:this.coord,overscaling:this.overscaling,grid:t,featureIndexArray:this.featureIndexArray.serialize(e),bucketLayerIDs:this.bucketLayerIDs}},FeatureIndex.prototype.query=function(e,t){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers,this.sourceLayerCoder=new DictionaryCoder(this.vtLayers?Object.keys(this.vtLayers).sort():["_geojsonTileLayer"]));var r={},i=e.params||{},n=EXTENT/e.tileSize/e.scale,a=featureFilter(i.filter),o=0;for(var s in t){var l=t[s],u=l.paint,c=0;"line"===l.type?c=getLineWidth(u)/2+Math.abs(u["line-offset"])+translateDistance(u["line-translate"]):"fill"===l.type?c=translateDistance(u["fill-translate"]):"fill-extrusion"===l.type?c=translateDistance(u["fill-extrusion-translate"]):"circle"===l.type&&(c=u["circle-radius"]+translateDistance(u["circle-translate"])),o=Math.max(o,c*n)}for(var y=e.queryGeometry.map(function(e){return e.map(function(e){return new Point(e.x,e.y)})}),f=1/0,d=1/0,h=-(1/0),g=-(1/0),p=0;p<y.length;p++)for(var v=y[p],x=0;x<v.length;x++){var I=v[x];f=Math.min(f,I.x),d=Math.min(d,I.y),h=Math.max(h,I.x),g=Math.max(g,I.y)}var m=this.grid.query(f-o,d-o,h+o,g+o);m.sort(topDownFeatureComparator),this.filterMatching(r,m,this.featureIndexArray,y,a,i.layers,t,e.bearing,n);var L=this.collisionTile.queryRenderedSymbols(y,e.scale);return L.sort(),this.filterMatching(r,L,this.collisionTile.collisionBoxArray,y,a,i.layers,t,e.bearing,n),r},FeatureIndex.prototype.filterMatching=function(e,t,r,i,n,a,o,s,l){for(var u,c=this,y=0;y<t.length;y++){var f=t[y];if(f!==u){u=f;var d=r.get(f),h=c.bucketLayerIDs[d.bucketIndex];if(!a||arraysIntersect(a,h)){var g=c.sourceLayerCoder.decode(d.sourceLayerIndex),p=c.vtLayers[g],v=p.feature(d.featureIndex);if(n(v))for(var x=null,I=0;I<h.length;I++){var m=h[I];if(!(a&&a.indexOf(m)<0)){var L=o[m];if(L){var M;if("symbol"!==L.type){x||(x=loadGeometry(v));var P=L.paint;if("line"===L.type){M=translate(i,P["line-translate"],P["line-translate-anchor"],s,l);var b=getLineWidth(P)/2*l;if(P["line-offset"]&&(x=offsetLine(x,P["line-offset"]*l)),!multiPolygonIntersectsBufferedMultiLine(M,x,b))continue}else if("fill"===L.type||"fill-extrusion"===L.type){var w=L.type;if(M=translate(i,P[w+"-translate"],P[w+"-translate-anchor"],s,l),!multiPolygonIntersectsMultiPolygon(M,x))continue}else if("circle"===L.type){M=translate(i,P["circle-translate"],P["circle-translate-anchor"],s,l);var _=P["circle-radius"]*l;if(!multiPolygonIntersectsBufferedMultiPoint(M,x,_))continue}}var q=new GeoJSONFeature(v,c.z,c.x,c.y);q.layer=L.serialize();var T=e[m];void 0===T&&(T=e[m]=[]),T.push(q)}}}}}}},module.exports=FeatureIndex;
-},{"../util/dictionary_coder":113,"../util/intersection_tests":120,"../util/struct_array":125,"../util/util":127,"../util/vectortile_to_geojson":128,"./extent":11,"./load_geometry":13,"feature-filter":135,"grid-index":146,"pbf":193,"point-geometry":194,"vector-tile":204}],13:[function(require,module,exports){
-"use strict";function createBounds(e){return{min:-1*Math.pow(2,e-1),max:Math.pow(2,e-1)-1}}var util=require("../util/util"),EXTENT=require("./extent"),boundsLookup={15:createBounds(15),16:createBounds(16)};module.exports=function(e,t){for(var r=boundsLookup[t||16],o=EXTENT/e.extent,u=e.loadGeometry(),n=0;n<u.length;n++)for(var a=u[n],i=0;i<a.length;i++){var d=a[i];d.x=Math.round(d.x*o),d.y=Math.round(d.y*o),(d.x<r.min||d.x>r.max||d.y<r.min||d.y>r.max)&&util.warnOnce("Geometry exceeds allowed extent, reduce your vector tile buffer size")}return u};
-},{"../util/util":127,"./extent":11}],14:[function(require,module,exports){
-"use strict";var createStructArrayType=require("../util/struct_array"),PosArray=createStructArrayType({members:[{name:"a_pos",type:"Int16",components:2}]});module.exports=PosArray;
-},{"../util/struct_array":125}],15:[function(require,module,exports){
-"use strict";function getPaintAttributeValue(t,e,r,i){if(!t.zoomStops)return e.getPaintValue(t.property,r,i);var a=t.zoomStops.map(function(a){return e.getPaintValue(t.property,util.extend({},r,{zoom:a}),i)});return 1===a.length?a[0]:a}function normalizePaintAttribute(t,e){var r=t.property.replace(e.type+"-","").replace(/-/g,"_"),i="color"===e._paintSpecifications[t.property].type;return util.extend({name:"a_"+r,components:i?4:1,multiplier:i?255:1},t)}var createVertexArrayType=require("./vertex_array_type"),util=require("../util/util"),ProgramConfiguration=function(){this.attributes=[],this.uniforms=[],this.interpolationUniforms=[],this.pragmas={vertex:{},fragment:{}},this.cacheKey=""};ProgramConfiguration.createDynamic=function(t,e,r){for(var i=new ProgramConfiguration,a=0,n=t;a<n.length;a+=1){var o=n[a],p=normalizePaintAttribute(o,e),u=p.name.slice(2);e.isPaintValueFeatureConstant(p.property)?i.addZoomAttribute(u,p):e.isPaintValueZoomConstant(p.property)?i.addPropertyAttribute(u,p):i.addZoomAndPropertyAttribute(u,p,e,r)}return i.PaintVertexArray=createVertexArrayType(i.attributes),i},ProgramConfiguration.createStatic=function(t){for(var e=new ProgramConfiguration,r=0,i=t;r<i.length;r+=1){var a=i[r];e.addUniform(a,"u_"+a)}return e},ProgramConfiguration.prototype.addUniform=function(t,e){var r=this.getPragmas(t);r.define.push("uniform {precision} {type} "+e+";"),r.initialize.push("{precision} {type} "+t+" = "+e+";"),this.cacheKey+="/u_"+t},ProgramConfiguration.prototype.addZoomAttribute=function(t,e){this.uniforms.push(e),this.addUniform(t,e.name)},ProgramConfiguration.prototype.addPropertyAttribute=function(t,e){var r=this.getPragmas(t);this.attributes.push(e),r.define.push("varying {precision} {type} "+t+";"),r.vertex.define.push("attribute {precision} {type} "+e.name+";"),r.vertex.initialize.push(t+" = "+e.name+" / "+e.multiplier+".0;"),this.cacheKey+="/a_"+t},ProgramConfiguration.prototype.addZoomAndPropertyAttribute=function(t,e,r,i){var a=this,n=this.getPragmas(t);n.define.push("varying {precision} {type} "+t+";");for(var o=0,p=r.getPaintValueStopZoomLevels(e.property);o<p.length&&p[o]<i;)o++;var u=Math.max(0,Math.min(p.length-4,o-2)),s="u_"+t+"_t";n.vertex.define.push("uniform lowp float "+s+";"),this.interpolationUniforms.push({name:s,property:e.property,stopOffset:u});for(var m=[],f=0;f<4;f++)m.push(p[Math.min(u+f,p.length-1)]);var g=[];if(1===e.components)this.attributes.push(util.extend({},e,{components:4,zoomStops:m})),n.vertex.define.push("attribute {precision} vec4 "+e.name+";"),g.push(e.name);else for(var h=0;h<4;h++){var l=e.name+h;g.push(l),a.attributes.push(util.extend({},e,{name:l,zoomStops:[m[h]]})),n.vertex.define.push("attribute {precision} {type} "+l+";")}n.vertex.initialize.push(t+" = evaluate_zoom_function_"+e.components+"(            "+g.join(", ")+", "+s+") / "+e.multiplier+".0;"),this.cacheKey+="/z_"+t},ProgramConfiguration.prototype.getPragmas=function(t){return this.pragmas[t]||(this.pragmas[t]={define:[],initialize:[]},this.pragmas[t].fragment={define:[],initialize:[]},this.pragmas[t].vertex={define:[],initialize:[]}),this.pragmas[t]},ProgramConfiguration.prototype.applyPragmas=function(t,e){var r=this;return t.replace(/#pragma mapbox: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g,function(t,i,a,n,o){return r.pragmas[o][i].concat(r.pragmas[o][e][i]).join("\n").replace(/{type}/g,n).replace(/{precision}/g,a)})},ProgramConfiguration.prototype.populatePaintArray=function(t,e,r,i,a){var n=e.length;e.resize(r);for(var o=0,p=this.attributes;o<p.length;o+=1)for(var u=p[o],s=getPaintAttributeValue(u,t,i,a),m=n;m<r;m++){var f=e.get(m);if(4===u.components)for(var g=0;g<4;g++)f[u.name+g]=s[g]*u.multiplier;else f[u.name]=s*u.multiplier}},ProgramConfiguration.prototype.setUniforms=function(t,e,r,i){for(var a=0,n=this.uniforms;a<n.length;a+=1){var o=n[a],p=r.getPaintValue(o.property,i);4===o.components?t.uniform4fv(e[o.name],p):t.uniform1f(e[o.name],p)}for(var u=0,s=this.interpolationUniforms;u<s.length;u+=1){var m=s[u],f=r.getPaintInterpolationT(m.property,i);t.uniform1f(e[m.name],Math.max(0,Math.min(4,f-m.stopOffset)))}},module.exports=ProgramConfiguration;
-},{"../util/util":127,"./vertex_array_type":17}],16:[function(require,module,exports){
-"use strict";var createStructArrayType=require("../util/struct_array"),RasterBoundsArray=createStructArrayType({members:[{name:"a_pos",type:"Int16",components:2},{name:"a_texture_pos",type:"Int16",components:2}]});module.exports=RasterBoundsArray;
-},{"../util/struct_array":125}],17:[function(require,module,exports){
-"use strict";function createVertexArrayType(r){return createStructArrayType({members:r,alignment:4})}var createStructArrayType=require("../util/struct_array");module.exports=createVertexArrayType;
-},{"../util/struct_array":125}],18:[function(require,module,exports){
-"use strict";var Coordinate=function(o,t,n){this.column=o,this.row=t,this.zoom=n};Coordinate.prototype.clone=function(){return new Coordinate(this.column,this.row,this.zoom)},Coordinate.prototype.zoomTo=function(o){return this.clone()._zoomTo(o)},Coordinate.prototype.sub=function(o){return this.clone()._sub(o)},Coordinate.prototype._zoomTo=function(o){var t=Math.pow(2,o-this.zoom);return this.column*=t,this.row*=t,this.zoom=o,this},Coordinate.prototype._sub=function(o){return o=o.zoomTo(this.zoom),this.column-=o.column,this.row-=o.row,this},module.exports=Coordinate;
-},{}],19:[function(require,module,exports){
-"use strict";var wrap=require("../util/util").wrap,LngLat=function(t,n){if(isNaN(t)||isNaN(n))throw new Error("Invalid LngLat object: ("+t+", "+n+")");if(this.lng=+t,this.lat=+n,this.lat>90||this.lat<-90)throw new Error("Invalid LngLat latitude value: must be between -90 and 90")};LngLat.prototype.wrap=function(){return new LngLat(wrap(this.lng,-180,180),this.lat)},LngLat.prototype.toArray=function(){return[this.lng,this.lat]},LngLat.prototype.toString=function(){return"LngLat("+this.lng+", "+this.lat+")"},LngLat.convert=function(t){if(t instanceof LngLat)return t;if(t&&t.hasOwnProperty("lng")&&t.hasOwnProperty("lat"))return new LngLat(t.lng,t.lat);if(Array.isArray(t)&&2===t.length)return new LngLat(t[0],t[1]);throw new Error("`LngLatLike` argument must be specified as a LngLat instance, an object {lng: <lng>, lat: <lat>}, or an array of [<lng>, <lat>]")},module.exports=LngLat;
-},{"../util/util":127}],20:[function(require,module,exports){
-"use strict";var LngLat=require("./lng_lat"),LngLatBounds=function(t,n){t&&(n?this.setSouthWest(t).setNorthEast(n):4===t.length?this.setSouthWest([t[0],t[1]]).setNorthEast([t[2],t[3]]):this.setSouthWest(t[0]).setNorthEast(t[1]))};LngLatBounds.prototype.setNorthEast=function(t){return this._ne=LngLat.convert(t),this},LngLatBounds.prototype.setSouthWest=function(t){return this._sw=LngLat.convert(t),this},LngLatBounds.prototype.extend=function(t){var n,e,s=this._sw,o=this._ne;if(t instanceof LngLat)n=t,e=t;else{if(!(t instanceof LngLatBounds))return Array.isArray(t)?t.every(Array.isArray)?this.extend(LngLatBounds.convert(t)):this.extend(LngLat.convert(t)):this;if(n=t._sw,e=t._ne,!n||!e)return this}return s||o?(s.lng=Math.min(n.lng,s.lng),s.lat=Math.min(n.lat,s.lat),o.lng=Math.max(e.lng,o.lng),o.lat=Math.max(e.lat,o.lat)):(this._sw=new LngLat(n.lng,n.lat),this._ne=new LngLat(e.lng,e.lat)),this},LngLatBounds.prototype.getCenter=function(){return new LngLat((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)},LngLatBounds.prototype.getSouthWest=function(){return this._sw},LngLatBounds.prototype.getNorthEast=function(){return this._ne},LngLatBounds.prototype.getNorthWest=function(){return new LngLat(this.getWest(),this.getNorth())},LngLatBounds.prototype.getSouthEast=function(){return new LngLat(this.getEast(),this.getSouth())},LngLatBounds.prototype.getWest=function(){return this._sw.lng},LngLatBounds.prototype.getSouth=function(){return this._sw.lat},LngLatBounds.prototype.getEast=function(){return this._ne.lng},LngLatBounds.prototype.getNorth=function(){return this._ne.lat},LngLatBounds.prototype.toArray=function(){return[this._sw.toArray(),this._ne.toArray()]},LngLatBounds.prototype.toString=function(){return"LngLatBounds("+this._sw.toString()+", "+this._ne.toString()+")"},LngLatBounds.convert=function(t){return!t||t instanceof LngLatBounds?t:new LngLatBounds(t)},module.exports=LngLatBounds;
-},{"./lng_lat":19}],21:[function(require,module,exports){
-"use strict";var LngLat=require("./lng_lat"),Point=require("point-geometry"),Coordinate=require("./coordinate"),util=require("../util/util"),interp=require("../util/interpolate"),TileCoord=require("../source/tile_coord"),EXTENT=require("../data/extent"),glmatrix=require("@mapbox/gl-matrix"),vec4=glmatrix.vec4,mat4=glmatrix.mat4,mat2=glmatrix.mat2,Transform=function(t,i){this.tileSize=512,this._minZoom=t||0,this._maxZoom=i||22,this.latRange=[-85.05113,85.05113],this.width=0,this.height=0,this._center=new LngLat(0,0),this.zoom=0,this.angle=0,this._fov=.6435011087932844,this._pitch=0,this._unmodified=!0},prototypeAccessors={minZoom:{},maxZoom:{},worldSize:{},centerPoint:{},size:{},bearing:{},pitch:{},fov:{},zoom:{},center:{},unmodified:{},x:{},y:{},point:{}};prototypeAccessors.minZoom.get=function(){return this._minZoom},prototypeAccessors.minZoom.set=function(t){this._minZoom!==t&&(this._minZoom=t,this.zoom=Math.max(this.zoom,t))},prototypeAccessors.maxZoom.get=function(){return this._maxZoom},prototypeAccessors.maxZoom.set=function(t){this._maxZoom!==t&&(this._maxZoom=t,this.zoom=Math.min(this.zoom,t))},prototypeAccessors.worldSize.get=function(){return this.tileSize*this.scale},prototypeAccessors.centerPoint.get=function(){return this.size._div(2)},prototypeAccessors.size.get=function(){return new Point(this.width,this.height)},prototypeAccessors.bearing.get=function(){return-this.angle/Math.PI*180},prototypeAccessors.bearing.set=function(t){var i=-util.wrap(t,-180,180)*Math.PI/180;this.angle!==i&&(this._unmodified=!1,this.angle=i,this._calcMatrices(),this.rotationMatrix=mat2.create(),mat2.rotate(this.rotationMatrix,this.rotationMatrix,this.angle))},prototypeAccessors.pitch.get=function(){return this._pitch/Math.PI*180},prototypeAccessors.pitch.set=function(t){var i=util.clamp(t,0,60)/180*Math.PI;this._pitch!==i&&(this._unmodified=!1,this._pitch=i,this._calcMatrices())},prototypeAccessors.fov.get=function(){return this._fov/Math.PI*180},prototypeAccessors.fov.set=function(t){t=Math.max(.01,Math.min(60,t)),this._fov!==t&&(this._unmodified=!1,this._fov=t/180*Math.PI,this._calcMatrices())},prototypeAccessors.zoom.get=function(){return this._zoom},prototypeAccessors.zoom.set=function(t){var i=Math.min(Math.max(t,this.minZoom),this.maxZoom);this._zoom!==i&&(this._unmodified=!1,this._zoom=i,this.scale=this.zoomScale(i),this.tileZoom=Math.floor(i),this.zoomFraction=i-this.tileZoom,this._constrain(),this._calcMatrices())},prototypeAccessors.center.get=function(){return this._center},prototypeAccessors.center.set=function(t){t.lat===this._center.lat&&t.lng===this._center.lng||(this._unmodified=!1,this._center=t,this._constrain(),this._calcMatrices())},Transform.prototype.coveringZoomLevel=function(t){return(t.roundZoom?Math.round:Math.floor)(this.zoom+this.scaleZoom(this.tileSize/t.tileSize))},Transform.prototype.coveringTiles=function(t){var i=this.coveringZoomLevel(t),o=i;if(i<t.minzoom)return[];i>t.maxzoom&&(i=t.maxzoom);var e=this.pointCoordinate(this.centerPoint,i),r=new Point(e.column-.5,e.row-.5),n=[this.pointCoordinate(new Point(0,0),i),this.pointCoordinate(new Point(this.width,0),i),this.pointCoordinate(new Point(this.width,this.height),i),this.pointCoordinate(new Point(0,this.height),i)];return TileCoord.cover(i,n,t.reparseOverscaled?o:i).sort(function(t,i){return r.dist(t)-r.dist(i)})},Transform.prototype.resize=function(t,i){this.width=t,this.height=i,this.pixelsToGLUnits=[2/t,-2/i],this._constrain(),this._calcMatrices()},prototypeAccessors.unmodified.get=function(){return this._unmodified},Transform.prototype.zoomScale=function(t){return Math.pow(2,t)},Transform.prototype.scaleZoom=function(t){return Math.log(t)/Math.LN2},Transform.prototype.project=function(t){return new Point(this.lngX(t.lng),this.latY(t.lat))},Transform.prototype.unproject=function(t){return new LngLat(this.xLng(t.x),this.yLat(t.y))},prototypeAccessors.x.get=function(){return this.lngX(this.center.lng)},prototypeAccessors.y.get=function(){return this.latY(this.center.lat)},prototypeAccessors.point.get=function(){return new Point(this.x,this.y)},Transform.prototype.lngX=function(t){return(180+t)*this.worldSize/360},Transform.prototype.latY=function(t){var i=180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360));return(180-i)*this.worldSize/360},Transform.prototype.xLng=function(t){return 360*t/this.worldSize-180},Transform.prototype.yLat=function(t){var i=180-360*t/this.worldSize;return 360/Math.PI*Math.atan(Math.exp(i*Math.PI/180))-90},Transform.prototype.setLocationAtPoint=function(t,i){var o=this.pointCoordinate(i)._sub(this.pointCoordinate(this.centerPoint));this.center=this.coordinateLocation(this.locationCoordinate(t)._sub(o))},Transform.prototype.locationPoint=function(t){return this.coordinatePoint(this.locationCoordinate(t))},Transform.prototype.pointLocation=function(t){return this.coordinateLocation(this.pointCoordinate(t))},Transform.prototype.locationCoordinate=function(t){return new Coordinate(this.lngX(t.lng)/this.tileSize,this.latY(t.lat)/this.tileSize,this.zoom).zoomTo(this.tileZoom)},Transform.prototype.coordinateLocation=function(t){var i=t.zoomTo(this.zoom);return new LngLat(this.xLng(i.column*this.tileSize),this.yLat(i.row*this.tileSize))},Transform.prototype.pointCoordinate=function(t,i){void 0===i&&(i=this.tileZoom);var o=0,e=[t.x,t.y,0,1],r=[t.x,t.y,1,1];vec4.transformMat4(e,e,this.pixelMatrixInverse),vec4.transformMat4(r,r,this.pixelMatrixInverse);var n=e[3],s=r[3],a=e[0]/n,h=r[0]/s,c=e[1]/n,m=r[1]/s,p=e[2]/n,l=r[2]/s,u=p===l?0:(o-p)/(l-p);return new Coordinate(interp(a,h,u)/this.tileSize,interp(c,m,u)/this.tileSize,this.zoom)._zoomTo(i)},Transform.prototype.coordinatePoint=function(t){var i=t.zoomTo(this.zoom),o=[i.column*this.tileSize,i.row*this.tileSize,0,1];return vec4.transformMat4(o,o,this.pixelMatrix),new Point(o[0]/o[3],o[1]/o[3])},Transform.prototype.calculatePosMatrix=function(t,i){var o=t.toCoordinate(i),e=this.worldSize/this.zoomScale(o.zoom),r=mat4.identity(new Float64Array(16));return mat4.translate(r,r,[o.column*e,o.row*e,0]),mat4.scale(r,r,[e/EXTENT,e/EXTENT,1]),mat4.multiply(r,this.projMatrix,r),new Float32Array(r)},Transform.prototype._constrain=function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,i,o,e,r,n,s,a,h=this.size,c=this._unmodified;this.latRange&&(t=this.latY(this.latRange[1]),i=this.latY(this.latRange[0]),r=i-t<h.y?h.y/(i-t):0),this.lngRange&&(o=this.lngX(this.lngRange[0]),e=this.lngX(this.lngRange[1]),n=e-o<h.x?h.x/(e-o):0);var m=Math.max(n||0,r||0);if(m)return this.center=this.unproject(new Point(n?(e+o)/2:this.x,r?(i+t)/2:this.y)),this.zoom+=this.scaleZoom(m),this._unmodified=c,void(this._constraining=!1);if(this.latRange){var p=this.y,l=h.y/2;p-l<t&&(a=t+l),p+l>i&&(a=i-l)}if(this.lngRange){var u=this.x,f=h.x/2;u-f<o&&(s=o+f),u+f>e&&(s=e-f)}void 0===s&&void 0===a||(this.center=this.unproject(new Point(void 0!==s?s:this.x,void 0!==a?a:this.y))),this._unmodified=c,this._constraining=!1}},Transform.prototype._calcMatrices=function(){if(this.height){this.cameraToCenterDistance=.5/Math.tan(this._fov/2)*this.height;var t=this._fov/2,i=Math.PI/2+this._pitch,o=Math.sin(t)*this.cameraToCenterDistance/Math.sin(Math.PI-i-t),e=Math.cos(Math.PI/2-this._pitch)*o+this.cameraToCenterDistance,r=1.01*e,n=new Float64Array(16);mat4.perspective(n,this._fov,this.width/this.height,1,r),mat4.scale(n,n,[1,-1,1]),mat4.translate(n,n,[0,0,-this.cameraToCenterDistance]),mat4.rotateX(n,n,this._pitch),mat4.rotateZ(n,n,this.angle),mat4.translate(n,n,[-this.x,-this.y,0]);var s=this.worldSize/(2*Math.PI*6378137*Math.abs(Math.cos(this.center.lat*(Math.PI/180))));if(mat4.scale(n,n,[1,1,s,1]),this.projMatrix=n,n=mat4.create(),mat4.scale(n,n,[this.width/2,-this.height/2,1]),mat4.translate(n,n,[1,-1,0]),this.pixelMatrix=mat4.multiply(new Float64Array(16),n,this.projMatrix),n=mat4.invert(new Float64Array(16),this.pixelMatrix),!n)throw new Error("failed to invert matrix");this.pixelMatrixInverse=n}},Object.defineProperties(Transform.prototype,prototypeAccessors),module.exports=Transform;
-},{"../data/extent":11,"../source/tile_coord":51,"../util/interpolate":119,"../util/util":127,"./coordinate":18,"./lng_lat":19,"@mapbox/gl-matrix":131,"point-geometry":194}],22:[function(require,module,exports){
-"use strict";var WorkerPool=require("./util/worker_pool"),globalWorkerPool;module.exports=function(){return globalWorkerPool||(globalWorkerPool=new WorkerPool),globalWorkerPool};
-},{"./util/worker_pool":130}],23:[function(require,module,exports){
-"use strict";var simplexFont={" 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r,o,u,s,i,x,f,p,h=[];for(r=0,o=l.length;r<o;r++)if(i=simplexFont[l[r]]){for(p=null,u=0,s=i[1].length;u<s;u+=2)i[1][u]===-1&&i[1][u+1]===-1?p=null:(x=n+i[1][u]*e,f=t-i[1][u+1]*e,p&&h.push(p.x,p.y,x,f),p={x:x,y:f});n+=i[0]*e}return h};
-},{}],24:[function(require,module,exports){
-"use strict";var browser=require("./util/browser"),mapboxgl=module.exports={};mapboxgl.version=require("../package.json").version,mapboxgl.workerCount=Math.max(Math.floor(browser.hardwareConcurrency/2),1),mapboxgl.Map=require("./ui/map"),mapboxgl.NavigationControl=require("./ui/control/navigation_control"),mapboxgl.GeolocateControl=require("./ui/control/geolocate_control"),mapboxgl.AttributionControl=require("./ui/control/attribution_control"),mapboxgl.ScaleControl=require("./ui/control/scale_control"),mapboxgl.Popup=require("./ui/popup"),mapboxgl.Marker=require("./ui/marker"),mapboxgl.Style=require("./style/style"),mapboxgl.LngLat=require("./geo/lng_lat"),mapboxgl.LngLatBounds=require("./geo/lng_lat_bounds"),mapboxgl.Point=require("point-geometry"),mapboxgl.Evented=require("./util/evented"),mapboxgl.util=require("./util/util"),mapboxgl.supported=require("./util/browser").supported;var ajax=require("./util/ajax");mapboxgl.util.getJSON=ajax.getJSON,mapboxgl.util.getArrayBuffer=ajax.getArrayBuffer;var config=require("./util/config");mapboxgl.config=config,Object.defineProperty(mapboxgl,"accessToken",{get:function(){return config.ACCESS_TOKEN},set:function(r){config.ACCESS_TOKEN=r}});
-},{"../package.json":214,"./geo/lng_lat":19,"./geo/lng_lat_bounds":20,"./style/style":61,"./ui/control/attribution_control":91,"./ui/control/geolocate_control":92,"./ui/control/navigation_control":93,"./ui/control/scale_control":94,"./ui/map":103,"./ui/marker":104,"./ui/popup":105,"./util/ajax":107,"./util/browser":108,"./util/config":112,"./util/evented":116,"./util/util":127,"point-geometry":194}],25:[function(require,module,exports){
-"use strict";function drawBackground(r,t,e){var a=r.gl,i=r.transform,n=i.tileSize,o=e.paint["background-color"],l=e.paint["background-pattern"],u=e.paint["background-opacity"],f=!l&&1===o[3]&&1===u;if(r.isOpaquePass===f){a.disable(a.STENCIL_TEST),r.setDepthSublayer(0);var s;l?(s=r.useProgram("fillPattern",r.basicFillProgramConfiguration),pattern.prepare(l,r,s),r.tileExtentPatternVAO.bind(a,s,r.tileExtentBuffer)):(s=r.useProgram("fill",r.basicFillProgramConfiguration),a.uniform4fv(s.u_color,o),r.tileExtentVAO.bind(a,s,r.tileExtentBuffer)),a.uniform1f(s.u_opacity,u);for(var c=i.coveringTiles({tileSize:n}),g=0,p=c;g<p.length;g+=1){var d=p[g];l&&pattern.setTile({coord:d,tileSize:n},r,s),a.uniformMatrix4fv(s.u_matrix,!1,r.transform.calculatePosMatrix(d)),a.drawArrays(a.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}}}var pattern=require("./pattern");module.exports=drawBackground;
-},{"./pattern":37}],26:[function(require,module,exports){
-"use strict";function drawCircles(e,r,t,a){if(!e.isOpaquePass){var i=e.gl;e.setDepthSublayer(0),e.depthMask(!1),i.disable(i.STENCIL_TEST);for(var s=0;s<a.length;s++){var o=a[s],n=r.getTile(o),f=n.getBucket(t);if(f){var l=f.buffers,m=l.layerData[t.id],u=m.programConfiguration,c=e.useProgram("circle",u);u.setUniforms(i,c,t,{zoom:e.transform.zoom}),"map"===t.paint["circle-pitch-scale"]?(i.uniform1i(c.u_scale_with_map,!0),i.uniform2f(c.u_extrude_scale,e.transform.pixelsToGLUnits[0]*e.transform.cameraToCenterDistance,e.transform.pixelsToGLUnits[1]*e.transform.cameraToCenterDistance)):(i.uniform1i(c.u_scale_with_map,!1),i.uniform2fv(c.u_extrude_scale,e.transform.pixelsToGLUnits)),i.uniform1f(c.u_devicepixelratio,browser.devicePixelRatio),i.uniformMatrix4fv(c.u_matrix,!1,e.translatePosMatrix(o.posMatrix,n,t.paint["circle-translate"],t.paint["circle-translate-anchor"]));for(var p=0,v=l.segments;p<v.length;p+=1){var x=v[p];x.vaos[t.id].bind(i,c,l.layoutVertexBuffer,l.elementBuffer,m.paintVertexBuffer,x.vertexOffset),i.drawElements(i.TRIANGLES,3*x.primitiveLength,i.UNSIGNED_SHORT,3*x.primitiveOffset*2)}}}}}var browser=require("../util/browser");module.exports=drawCircles;
-},{"../util/browser":108}],27:[function(require,module,exports){
-"use strict";function drawCollisionDebug(e,o,r,i){var t=e.gl;t.enable(t.STENCIL_TEST);for(var f=e.useProgram("collisionBox"),l=0;l<i.length;l++){var n=i[l],a=o.getTile(n),s=a.getBucket(r);if(s){var u=s.buffers.collisionBox;if(u){t.uniformMatrix4fv(f.u_matrix,!1,n.posMatrix),e.enableTileClippingMask(n),e.lineWidth(1),t.uniform1f(f.u_scale,Math.pow(2,e.transform.zoom-a.coord.z)),t.uniform1f(f.u_zoom,10*e.transform.zoom),t.uniform1f(f.u_maxzoom,10*(a.coord.z+1));for(var m=0,g=u.segments;m<g.length;m+=1){var v=g[m];v.vaos[r.id].bind(t,f,u.layoutVertexBuffer,u.elementBuffer,null,v.vertexOffset),t.drawElements(t.LINES,2*v.primitiveLength,t.UNSIGNED_SHORT,2*v.primitiveOffset*2)}}}}}module.exports=drawCollisionDebug;
-},{}],28:[function(require,module,exports){
-"use strict";function drawDebug(r,e,a){for(var t=0;t<a.length;t++)drawDebugTile(r,e,a[t])}function drawDebugTile(r,e,a){var t=r.gl;t.disable(t.STENCIL_TEST),r.lineWidth(1*browser.devicePixelRatio);var i=a.posMatrix,u=r.useProgram("debug");t.uniformMatrix4fv(u.u_matrix,!1,i),t.uniform4f(u.u_color,1,0,0,1),r.debugVAO.bind(t,u,r.debugBuffer),t.drawArrays(t.LINE_STRIP,0,r.debugBuffer.length);for(var o=textVertices(a.toString(),50,200,5),f=new PosArray,n=0;n<o.length;n+=2)f.emplaceBack(o[n],o[n+1]);var l=Buffer.fromStructArray(f,Buffer.BufferType.VERTEX),b=new VertexArrayObject;b.bind(t,u,l),t.uniform4f(u.u_color,1,1,1,1);for(var d=e.getTile(a).tileSize,g=EXTENT/(Math.pow(2,r.transform.zoom-a.z)*d),m=[[-1,-1],[-1,1],[1,-1],[1,1]],s=0;s<m.length;s++){var x=m[s];t.uniformMatrix4fv(u.u_matrix,!1,mat4.translate([],i,[g*x[0],g*x[1],0])),t.drawArrays(t.LINES,0,l.length)}t.uniform4f(u.u_color,0,0,0,1),t.uniformMatrix4fv(u.u_matrix,!1,i),t.drawArrays(t.LINES,0,l.length)}var textVertices=require("../lib/debugtext"),browser=require("../util/browser"),mat4=require("@mapbox/gl-matrix").mat4,EXTENT=require("../data/extent"),Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),PosArray=require("../data/pos_array");module.exports=drawDebug;
-},{"../data/buffer":8,"../data/extent":11,"../data/pos_array":14,"../lib/debugtext":23,"../util/browser":108,"./vertex_array_object":39,"@mapbox/gl-matrix":131}],29:[function(require,module,exports){
-"use strict";function drawFill(t,e,r,i){var a=t.gl;a.enable(a.STENCIL_TEST);var l=!r.paint["fill-pattern"]&&r.isPaintValueFeatureConstant("fill-color")&&r.isPaintValueFeatureConstant("fill-opacity")&&1===r.paint["fill-color"][3]&&1===r.paint["fill-opacity"];t.isOpaquePass===l&&(t.setDepthSublayer(1),drawFillTiles(t,e,r,i,drawFillTile)),!t.isOpaquePass&&r.paint["fill-antialias"]&&(t.lineWidth(2),t.depthMask(!1),t.setDepthSublayer(r.getPaintProperty("fill-outline-color")?2:0),drawFillTiles(t,e,r,i,drawStrokeTile))}function drawFillTiles(t,e,r,i,a){for(var l=!0,n=0,o=i;n<o.length;n+=1){var f=o[n],s=e.getTile(f),u=s.getBucket(r);u&&(t.enableTileClippingMask(f),a(t,e,r,s,f,u.buffers,l),l=!1)}}function drawFillTile(t,e,r,i,a,l,n){for(var o=t.gl,f=l.layerData[r.id],s=setFillProgram("fill",r.paint["fill-pattern"],t,f,r,i,a,n),u=0,p=l.segments;u<p.length;u+=1){var g=p[u];g.vaos[r.id].bind(o,s,l.layoutVertexBuffer,l.elementBuffer,f.paintVertexBuffer,g.vertexOffset),o.drawElements(o.TRIANGLES,3*g.primitiveLength,o.UNSIGNED_SHORT,3*g.primitiveOffset*2)}}function drawStrokeTile(t,e,r,i,a,l,n){var o=t.gl,f=l.layerData[r.id],s=r.paint["fill-pattern"]&&!r.getPaintProperty("fill-outline-color"),u=setFillProgram("fillOutline",s,t,f,r,i,a,n);o.uniform2f(u.u_world,o.drawingBufferWidth,o.drawingBufferHeight);for(var p=0,g=l.segments2;p<g.length;p+=1){var m=g[p];m.vaos[r.id].bind(o,u,l.layoutVertexBuffer,l.elementBuffer2,f.paintVertexBuffer,m.vertexOffset),o.drawElements(o.LINES,2*m.primitiveLength,o.UNSIGNED_SHORT,2*m.primitiveOffset*2)}}function setFillProgram(t,e,r,i,a,l,n,o){var f,s=r.currentProgram;return e?(f=r.useProgram(t+"Pattern",i.programConfiguration),(o||f!==s)&&(i.programConfiguration.setUniforms(r.gl,f,a,{zoom:r.transform.zoom}),pattern.prepare(a.paint["fill-pattern"],r,f)),pattern.setTile(l,r,f)):(f=r.useProgram(t,i.programConfiguration),(o||f!==s)&&i.programConfiguration.setUniforms(r.gl,f,a,{zoom:r.transform.zoom})),r.gl.uniformMatrix4fv(f.u_matrix,!1,r.translatePosMatrix(n.posMatrix,l,a.paint["fill-translate"],a.paint["fill-translate-anchor"])),f}var pattern=require("./pattern");module.exports=drawFill;
-},{"./pattern":37}],30:[function(require,module,exports){
-"use strict";function draw(t,e,r,i){if(0!==r.paint["fill-extrusion-opacity"]){var a=t.gl;a.disable(a.STENCIL_TEST),a.enable(a.DEPTH_TEST),t.depthMask(!0);var s=new ExtrusionTexture(a,t,r);s.bindFramebuffer(),a.clearColor(0,0,0,0),a.clear(a.COLOR_BUFFER_BIT|a.DEPTH_BUFFER_BIT);for(var u=0;u<i.length;u++)drawExtrusion(t,e,r,i[u]);s.unbindFramebuffer(),s.renderToMap()}}function ExtrusionTexture(t,e,r){this.gl=t,this.width=e.width,this.height=e.height,this.painter=e,this.layer=r,this.texture=null,this.fbo=null,this.fbos=this.painter.preFbos[this.width]&&this.painter.preFbos[this.width][this.height]}function drawExtrusion(t,e,r,i){if(!t.isOpaquePass){var a=e.getTile(i),s=a.getBucket(r);if(s){var u=s.buffers,f=t.gl,h=r.paint["fill-extrusion-pattern"],n=u.layerData[r.id],o=n.programConfiguration,E=t.useProgram(h?"fillExtrusionPattern":"fillExtrusion",o);o.setUniforms(f,E,r,{zoom:t.transform.zoom}),h&&(pattern.prepare(h,t,E),pattern.setTile(a,t,E),f.uniform1f(E.u_height_factor,-Math.pow(2,i.z)/a.tileSize/8)),t.gl.uniformMatrix4fv(E.u_matrix,!1,t.translatePosMatrix(i.posMatrix,a,r.paint["fill-extrusion-translate"],r.paint["fill-extrusion-translate-anchor"])),setLight(E,t);for(var T=0,l=u.segments;T<l.length;T+=1){var R=l[T];R.vaos[r.id].bind(f,E,u.layoutVertexBuffer,u.elementBuffer,n.paintVertexBuffer,R.vertexOffset),f.drawElements(f.TRIANGLES,3*R.primitiveLength,f.UNSIGNED_SHORT,3*R.primitiveOffset*2)}}}}function setLight(t,e){var r=e.gl,i=e.style.light,a=i.calculated.position,s=[a.x,a.y,a.z],u=mat3.create();"viewport"===i.calculated.anchor&&mat3.fromRotation(u,-e.transform.angle),vec3.transformMat3(s,s,u),r.uniform3fv(t.u_lightpos,s),r.uniform1f(t.u_lightintensity,i.calculated.intensity),r.uniform3fv(t.u_lightcolor,i.calculated.color.slice(0,3))}var glMatrix=require("@mapbox/gl-matrix"),Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),PosArray=require("../data/pos_array"),pattern=require("./pattern"),mat3=glMatrix.mat3,mat4=glMatrix.mat4,vec3=glMatrix.vec3;module.exports=draw,ExtrusionTexture.prototype.bindFramebuffer=function(){var t=this.gl;if(this.texture=this.painter.getViewportTexture(this.width,this.height),t.activeTexture(t.TEXTURE1),this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width,this.height,0,t.RGBA,t.UNSIGNED_BYTE,null),this.texture.width=this.width,this.texture.height=this.height),this.fbos)this.fbo=this.fbos.pop(),t.bindFramebuffer(t.FRAMEBUFFER,this.fbo),t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,this.texture,0);else{this.fbo=t.createFramebuffer();var e=t.createRenderbuffer(),r=t.createRenderbuffer();t.bindRenderbuffer(t.RENDERBUFFER,e),t.bindRenderbuffer(t.RENDERBUFFER,r),t.renderbufferStorage(t.RENDERBUFFER,t.RGBA4,this.width,this.height),t.renderbufferStorage(t.RENDERBUFFER,t.DEPTH_COMPONENT16,this.width,this.height),t.bindFramebuffer(t.FRAMEBUFFER,this.fbo),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.RENDERBUFFER,r),t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,this.texture,0)}},ExtrusionTexture.prototype.unbindFramebuffer=function(){this.painter.bindDefaultFramebuffer(),this.fbos?this.fbos.push(this.fbo):(this.painter.preFbos[this.width]||(this.painter.preFbos[this.width]={}),this.painter.preFbos[this.width][this.height]=[this.fbo]),this.painter.saveViewportTexture(this.texture)},ExtrusionTexture.prototype.renderToMap=function(){var t=this.gl,e=this.painter,r=e.useProgram("extrusionTexture");t.activeTexture(t.TEXTURE0),t.bindTexture(t.TEXTURE_2D,this.texture),t.uniform1f(r.u_opacity,this.layer.paint["fill-extrusion-opacity"]),t.uniform1i(r.u_texture,1),t.uniformMatrix4fv(r.u_matrix,!1,mat4.ortho(mat4.create(),0,e.width,e.height,0,0,1)),t.disable(t.DEPTH_TEST),t.uniform1i(r.u_xdim,e.width),t.uniform1i(r.u_ydim,e.height);var i=new PosArray;i.emplaceBack(0,0),i.emplaceBack(e.width,0),i.emplaceBack(0,e.height),i.emplaceBack(e.width,e.height);var a=Buffer.fromStructArray(i,Buffer.BufferType.VERTEX),s=new VertexArrayObject;s.bind(t,r,a),t.drawArrays(t.TRIANGLE_STRIP,0,4),t.enable(t.DEPTH_TEST)};
-},{"../data/buffer":8,"../data/pos_array":14,"./pattern":37,"./vertex_array_object":39,"@mapbox/gl-matrix":131}],31:[function(require,module,exports){
-"use strict";function drawLineTile(e,i,t,r,a,n,o,f,s){var l,u,m,_,p=i.gl,g=a.paint["line-dasharray"],d=a.paint["line-pattern"];if(f||s){var v=1/pixelsToTileUnits(t,1,i.transform.tileZoom);if(g){l=i.lineAtlas.getDash(g.from,"round"===a.layout["line-cap"]),u=i.lineAtlas.getDash(g.to,"round"===a.layout["line-cap"]);var T=l.width*g.fromScale,h=u.width*g.toScale;p.uniform2f(e.u_patternscale_a,v/T,-l.height/2),p.uniform2f(e.u_patternscale_b,v/h,-u.height/2),p.uniform1f(e.u_sdfgamma,i.lineAtlas.width/(256*Math.min(T,h)*browser.devicePixelRatio)/2)}else if(d){if(m=i.spriteAtlas.getPosition(d.from,!0),_=i.spriteAtlas.getPosition(d.to,!0),!m||!_)return;p.uniform2f(e.u_pattern_size_a,m.size[0]*d.fromScale/v,_.size[1]),p.uniform2f(e.u_pattern_size_b,_.size[0]*d.toScale/v,_.size[1])}p.uniform2f(e.u_gl_units_to_pixels,1/i.transform.pixelsToGLUnits[0],1/i.transform.pixelsToGLUnits[1])}f&&(g?(p.uniform1i(e.u_image,0),p.activeTexture(p.TEXTURE0),i.lineAtlas.bind(p),p.uniform1f(e.u_tex_y_a,l.y),p.uniform1f(e.u_tex_y_b,u.y),p.uniform1f(e.u_mix,g.t)):d&&(p.uniform1i(e.u_image,0),p.activeTexture(p.TEXTURE0),i.spriteAtlas.bind(p,!0),p.uniform2fv(e.u_pattern_tl_a,m.tl),p.uniform2fv(e.u_pattern_br_a,m.br),p.uniform2fv(e.u_pattern_tl_b,_.tl),p.uniform2fv(e.u_pattern_br_b,_.br),p.uniform1f(e.u_fade,d.t)),p.uniform1f(e.u_width,a.paint["line-width"])),i.enableTileClippingMask(n);var x=i.translatePosMatrix(n.posMatrix,t,a.paint["line-translate"],a.paint["line-translate-anchor"]);p.uniformMatrix4fv(e.u_matrix,!1,x),p.uniform1f(e.u_ratio,1/pixelsToTileUnits(t,1,i.transform.zoom));for(var b=0,c=r.segments;b<c.length;b+=1){var w=c[b];w.vaos[a.id].bind(p,e,r.layoutVertexBuffer,r.elementBuffer,o.paintVertexBuffer,w.vertexOffset),p.drawElements(p.TRIANGLES,3*w.primitiveLength,p.UNSIGNED_SHORT,3*w.primitiveOffset*2)}}var browser=require("../util/browser"),pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=function(e,i,t,r){if(!e.isOpaquePass){e.setDepthSublayer(0),e.depthMask(!1);var a=e.gl;if(a.enable(a.STENCIL_TEST),!(t.paint["line-width"]<=0))for(var n,o=t.paint["line-dasharray"]?"lineSDF":t.paint["line-pattern"]?"linePattern":"line",f=!0,s=0,l=r;s<l.length;s+=1){var u=l[s],m=i.getTile(u),_=m.getBucket(t);if(_){var p=_.buffers.layerData[t.id],g=e.currentProgram,d=e.useProgram(o,p.programConfiguration),v=f||d!==g,T=n!==m.coord.z;v&&p.programConfiguration.setUniforms(e.gl,d,t,{zoom:e.transform.zoom}),drawLineTile(d,e,m,_.buffers,t,u,p,v,T),n=m.coord.z,f=!1}}}};
-},{"../source/pixels_to_tile_units":45,"../util/browser":108}],32:[function(require,module,exports){
-"use strict";function drawRaster(r,t,a,e){if(!r.isOpaquePass){var i=r.gl;i.enable(i.DEPTH_TEST),r.depthMask(!0),i.depthFunc(i.LESS);for(var o=e.length&&e[0].z,n=0;n<e.length;n++){var u=e[n];r.setDepthSublayer(u.z-o),drawRasterTile(r,t,a,u)}i.depthFunc(i.LEQUAL)}}function drawRasterTile(r,t,a,e){var i=r.gl;i.disable(i.STENCIL_TEST);var o=t.getTile(e),n=r.transform.calculatePosMatrix(e,t.getSource().maxzoom);o.registerFadeDuration(r.style.animationLoop,a.paint["raster-fade-duration"]);var u=r.useProgram("raster");i.uniformMatrix4fv(u.u_matrix,!1,n),i.uniform1f(u.u_brightness_low,a.paint["raster-brightness-min"]),i.uniform1f(u.u_brightness_high,a.paint["raster-brightness-max"]),i.uniform1f(u.u_saturation_factor,saturationFactor(a.paint["raster-saturation"])),i.uniform1f(u.u_contrast_factor,contrastFactor(a.paint["raster-contrast"])),i.uniform3fv(u.u_spin_weights,spinWeights(a.paint["raster-hue-rotate"]));var s,c,f=o.sourceCache&&o.sourceCache.findLoadedParent(e,0,{}),d=getOpacities(o,f,a,r.transform);i.activeTexture(i.TEXTURE0),i.bindTexture(i.TEXTURE_2D,o.texture),i.activeTexture(i.TEXTURE1),f?(i.bindTexture(i.TEXTURE_2D,f.texture),s=Math.pow(2,f.coord.z-o.coord.z),c=[o.coord.x*s%1,o.coord.y*s%1]):i.bindTexture(i.TEXTURE_2D,o.texture),i.uniform2fv(u.u_tl_parent,c||[0,0]),i.uniform1f(u.u_scale_parent,s||1),i.uniform1f(u.u_buffer_scale,1),i.uniform1f(u.u_opacity0,d[0]),i.uniform1f(u.u_opacity1,d[1]),i.uniform1i(u.u_image0,0),i.uniform1i(u.u_image1,1);var m=o.boundsBuffer||r.rasterBoundsBuffer,h=o.boundsVAO||r.rasterBoundsVAO;h.bind(i,u,m),i.drawArrays(i.TRIANGLE_STRIP,0,m.length)}function spinWeights(r){r*=Math.PI/180;var t=Math.sin(r),a=Math.cos(r);return[(2*a+1)/3,(-Math.sqrt(3)*t-a+1)/3,(Math.sqrt(3)*t-a+1)/3]}function contrastFactor(r){return r>0?1/(1-r):1+r}function saturationFactor(r){return r>0?1-1/(1.001-r):-r}function getOpacities(r,t,a,e){var i=[1,0],o=a.paint["raster-fade-duration"];if(r.sourceCache&&o>0){var n=Date.now(),u=(n-r.timeAdded)/o,s=t?(n-t.timeAdded)/o:-1,c=r.sourceCache.getSource(),f=e.coveringZoomLevel({tileSize:c.tileSize,roundZoom:c.roundZoom}),d=!t||Math.abs(t.coord.z-f)>Math.abs(r.coord.z-f);i[0]=util.clamp(d?u:1-s,0,1),i[1]=t?1-i[0]:0}var m=a.paint["raster-opacity"];return i[0]*=m,i[1]*=m,i}var util=require("../util/util");module.exports=drawRaster;
-},{"../util/util":127}],33:[function(require,module,exports){
-"use strict";function drawSymbols(t,e,i,a){if(!t.isOpaquePass){var o=!(i.layout["text-allow-overlap"]||i.layout["icon-allow-overlap"]||i.layout["text-ignore-placement"]||i.layout["icon-ignore-placement"]),r=t.gl;o?r.disable(r.STENCIL_TEST):r.enable(r.STENCIL_TEST),t.setDepthSublayer(0),t.depthMask(!1),drawLayerSymbols(t,e,i,a,!1,i.paint["icon-translate"],i.paint["icon-translate-anchor"],i.layout["icon-rotation-alignment"],i.layout["icon-rotation-alignment"],i.layout["icon-size"],i.paint["icon-halo-width"],i.paint["icon-halo-color"],i.paint["icon-halo-blur"],i.paint["icon-opacity"],i.paint["icon-color"]),drawLayerSymbols(t,e,i,a,!0,i.paint["text-translate"],i.paint["text-translate-anchor"],i.layout["text-rotation-alignment"],i.layout["text-pitch-alignment"],i.layout["text-size"],i.paint["text-halo-width"],i.paint["text-halo-color"],i.paint["text-halo-blur"],i.paint["text-opacity"],i.paint["text-color"]),e.map.showCollisionBoxes&&drawCollisionDebug(t,e,i,a)}}function drawLayerSymbols(t,e,i,a,o,r,n,l,s,u,f,m,p,c,d){if(o||!t.style.sprite||t.style.sprite.loaded()){var h=t.gl,b="map"===l,x="map"===s,g=x;g?h.enable(h.DEPTH_TEST):h.disable(h.DEPTH_TEST);for(var _,y=0,T=a;y<T.length;y+=1){var v=T[y],w=e.getTile(v),S=w.getBucket(i);if(S){var E=o?S.buffers.glyph:S.buffers.icon;if(E&&E.segments.length){var P=o||S.sdfIcons;_||(_=t.useProgram(P?"symbolSDF":"symbolIcon"),setSymbolDrawState(_,t,o,P,b,x,S.fontstack,u,S.iconsNeedLinear,o?S.adjustedTextSize:S.adjustedIconSize,c)),t.enableTileClippingMask(v),h.uniformMatrix4fv(_.u_matrix,!1,t.translatePosMatrix(v.posMatrix,w,r,n)),drawTileSymbols(_,t,i,w,E,o,P,x,u,f,m,p,d)}}}g||h.enable(h.DEPTH_TEST)}}function setSymbolDrawState(t,e,i,a,o,r,n,l,s,u,f){var m=e.gl,p=e.transform;if(m.uniform1i(t.u_rotate_with_map,o),m.uniform1i(t.u_pitch_with_map,r),m.activeTexture(m.TEXTURE0),m.uniform1i(t.u_texture,0),i){var c=n&&e.glyphSource.getGlyphAtlas(n);if(!c)return;c.updateTexture(m),m.uniform2f(t.u_texsize,c.width/4,c.height/4)}else{var d=e.options.rotating||e.options.zooming,h=1!==l||browser.devicePixelRatio!==e.spriteAtlas.pixelRatio||s,b=r||p.pitch;e.spriteAtlas.bind(m,a||d||h||b),m.uniform2f(t.u_texsize,e.spriteAtlas.width/4,e.spriteAtlas.height/4)}m.activeTexture(m.TEXTURE1),e.frameHistory.bind(m),m.uniform1i(t.u_fadetexture,1);var x=Math.log(l/u)/Math.LN2||0;m.uniform1f(t.u_zoom,10*(p.zoom-x)),m.uniform1f(t.u_pitch,p.pitch/360*2*Math.PI),m.uniform1f(t.u_bearing,p.bearing/360*2*Math.PI),m.uniform1f(t.u_aspect_ratio,p.width/p.height),m.uniform1f(t.u_opacity,f)}function drawTileSymbols(t,e,i,a,o,r,n,l,s,u,f,m,p){var c=e.gl,d=e.transform,h=s/(r?24:1);if(l){var b=pixelsToTileUnits(a,h,d.zoom);c.uniform2f(t.u_extrude_scale,b,b)}else{var x=d.cameraToCenterDistance*h;c.uniform2f(t.u_extrude_scale,d.pixelsToGLUnits[0]*x,d.pixelsToGLUnits[1]*x)}if(n){var g=h*(l?Math.cos(d._pitch):1)*d.cameraToCenterDistance;u&&(c.uniform1f(t.u_gamma,(m*blurOffset/sdfPx+gamma)/g),c.uniform4fv(t.u_color,f),c.uniform1f(t.u_buffer,(haloOffset-u/h)/sdfPx),drawSymbolElements(o,i,c,t)),c.uniform1f(t.u_gamma,gamma/g),c.uniform4fv(t.u_color,p),c.uniform1f(t.u_buffer,.75)}drawSymbolElements(o,i,c,t)}function drawSymbolElements(t,e,i,a){for(var o=0,r=t.segments;o<r.length;o+=1){var n=r[o];n.vaos[e.id].bind(i,a,t.layoutVertexBuffer,t.elementBuffer,null,n.vertexOffset),i.drawElements(i.TRIANGLES,3*n.primitiveLength,i.UNSIGNED_SHORT,3*n.primitiveOffset*2)}}var browser=require("../util/browser"),drawCollisionDebug=require("./draw_collision_debug"),pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=drawSymbols;var sdfPx=8,blurOffset=1.19,haloOffset=6,gamma=.105/browser.devicePixelRatio;
-},{"../source/pixels_to_tile_units":45,"../util/browser":108,"./draw_collision_debug":27}],34:[function(require,module,exports){
-"use strict";var FrameHistory=function(){this.changeTimes=new Float64Array(256),this.changeOpacities=new Uint8Array(256),this.opacities=new Uint8ClampedArray(256),this.array=new Uint8Array(this.opacities.buffer),this.previousZoom=0,this.firstFrame=!0};FrameHistory.prototype.record=function(e,t,i){var r=this;this.firstFrame&&(e=0,this.firstFrame=!1),t=Math.floor(10*t);var a;if(t<this.previousZoom)for(a=t+1;a<=this.previousZoom;a++)r.changeTimes[a]=e,r.changeOpacities[a]=r.opacities[a];else for(a=t;a>this.previousZoom;a--)r.changeTimes[a]=e,r.changeOpacities[a]=r.opacities[a];for(a=0;a<256;a++){var s=e-r.changeTimes[a],o=255*(i?s/i:1);a<=t?r.opacities[a]=r.changeOpacities[a]+o:r.opacities[a]=r.changeOpacities[a]-o}this.changed=!0,this.previousZoom=t},FrameHistory.prototype.bind=function(e){this.texture?(e.bindTexture(e.TEXTURE_2D,this.texture),this.changed&&(e.texSubImage2D(e.TEXTURE_2D,0,0,0,256,1,e.ALPHA,e.UNSIGNED_BYTE,this.array),this.changed=!1)):(this.texture=e.createTexture(),e.bindTexture(e.TEXTURE_2D,this.texture),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texImage2D(e.TEXTURE_2D,0,e.ALPHA,256,1,0,e.ALPHA,e.UNSIGNED_BYTE,this.array))},module.exports=FrameHistory;
-},{}],35:[function(require,module,exports){
-"use strict";var util=require("../util/util"),LineAtlas=function(t,i){this.width=t,this.height=i,this.nextRow=0,this.bytes=4,this.data=new Uint8Array(this.width*this.height*this.bytes),this.positions={}};LineAtlas.prototype.setSprite=function(t){this.sprite=t},LineAtlas.prototype.getDash=function(t,i){var e=t.join(",")+i;return this.positions[e]||(this.positions[e]=this.addDash(t,i)),this.positions[e]},LineAtlas.prototype.addDash=function(t,i){var e=this,h=i?7:0,s=2*h+1,a=128;if(this.nextRow+s>this.height)return util.warnOnce("LineAtlas out of space"),null;for(var r=0,n=0;n<t.length;n++)r+=t[n];for(var E=this.width/r,o=E/2,T=t.length%2===1,R=-h;R<=h;R++)for(var u=e.nextRow+h+R,d=e.width*u,l=T?-t[t.length-1]:0,x=t[0],A=1,_=0;_<this.width;_++){for(;x<_/E;)l=x,x+=t[A],T&&A===t.length-1&&(x+=t[0]),A++;var p,g=Math.abs(_-l*E),w=Math.abs(_-x*E),D=Math.min(g,w),U=A%2===1;if(i){var f=h?R/h*(o+1):0;if(U){var X=o-Math.abs(f);p=Math.sqrt(D*D+X*X)}else p=o-Math.sqrt(D*D+f*f)}else p=(U?1:-1)*D;e.data[3+4*(d+_)]=Math.max(0,Math.min(255,p+a))}var y={y:(this.nextRow+h+.5)/this.height,height:2*h/this.height,width:r};return this.nextRow+=s,this.dirty=!0,y},LineAtlas.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.dirty&&(this.dirty=!1,t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.RGBA,t.UNSIGNED_BYTE,this.data))):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width,this.height,0,t.RGBA,t.UNSIGNED_BYTE,this.data))},module.exports=LineAtlas;
-},{"../util/util":127}],36:[function(require,module,exports){
-"use strict";var browser=require("../util/browser"),mat4=require("@mapbox/gl-matrix").mat4,FrameHistory=require("./frame_history"),SourceCache=require("../source/source_cache"),EXTENT=require("../data/extent"),pixelsToTileUnits=require("../source/pixels_to_tile_units"),util=require("../util/util"),Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),RasterBoundsArray=require("../data/raster_bounds_array"),PosArray=require("../data/pos_array"),ProgramConfiguration=require("../data/program_configuration"),shaders=require("./shaders"),draw={symbol:require("./draw_symbol"),circle:require("./draw_circle"),line:require("./draw_line"),fill:require("./draw_fill"),"fill-extrusion":require("./draw_fill_extrusion"),raster:require("./draw_raster"),background:require("./draw_background"),debug:require("./draw_debug")},Painter=function(e,r){this.gl=e,this.transform=r,this.reusableTextures={},this.preFbos={},this.frameHistory=new FrameHistory,this.setup(),this.numSublayers=SourceCache.maxUnderzooming+SourceCache.maxOverzooming+1,this.depthEpsilon=1/Math.pow(2,16),this.lineWidthRange=e.getParameter(e.ALIASED_LINE_WIDTH_RANGE),this.basicFillProgramConfiguration=ProgramConfiguration.createStatic(["color","opacity"]),this.emptyProgramConfiguration=new ProgramConfiguration};Painter.prototype.resize=function(e,r){var t=this.gl;this.width=e*browser.devicePixelRatio,this.height=r*browser.devicePixelRatio,t.viewport(0,0,this.width,this.height)},Painter.prototype.setup=function(){var e=this.gl;e.verbose=!0,e.enable(e.BLEND),e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA),e.enable(e.STENCIL_TEST),e.enable(e.DEPTH_TEST),e.depthFunc(e.LEQUAL),this._depthMask=!1,e.depthMask(!1);var r=new PosArray;r.emplaceBack(0,0),r.emplaceBack(EXTENT,0),r.emplaceBack(0,EXTENT),r.emplaceBack(EXTENT,EXTENT),this.tileExtentBuffer=Buffer.fromStructArray(r,Buffer.BufferType.VERTEX),this.tileExtentVAO=new VertexArrayObject,this.tileExtentPatternVAO=new VertexArrayObject;var t=new PosArray;t.emplaceBack(0,0),t.emplaceBack(EXTENT,0),t.emplaceBack(EXTENT,EXTENT),t.emplaceBack(0,EXTENT),t.emplaceBack(0,0),this.debugBuffer=Buffer.fromStructArray(t,Buffer.BufferType.VERTEX),this.debugVAO=new VertexArrayObject;var a=new RasterBoundsArray;a.emplaceBack(0,0,0,0),a.emplaceBack(EXTENT,0,32767,0),a.emplaceBack(0,EXTENT,0,32767),a.emplaceBack(EXTENT,EXTENT,32767,32767),this.rasterBoundsBuffer=Buffer.fromStructArray(a,Buffer.BufferType.VERTEX),this.rasterBoundsVAO=new VertexArrayObject},Painter.prototype.clearColor=function(){var e=this.gl;e.clearColor(0,0,0,0),e.clear(e.COLOR_BUFFER_BIT)},Painter.prototype.clearStencil=function(){var e=this.gl;e.clearStencil(0),e.stencilMask(255),e.clear(e.STENCIL_BUFFER_BIT)},Painter.prototype.clearDepth=function(){var e=this.gl;e.clearDepth(1),this.depthMask(!0),e.clear(e.DEPTH_BUFFER_BIT)},Painter.prototype._renderTileClippingMasks=function(e){var r=this,t=this.gl;t.colorMask(!1,!1,!1,!1),this.depthMask(!1),t.disable(t.DEPTH_TEST),t.enable(t.STENCIL_TEST),t.stencilMask(248),t.stencilOp(t.KEEP,t.KEEP,t.REPLACE);var a=1;this._tileClippingMaskIDs={};for(var i=0,s=e;i<s.length;i+=1){var o=s[i],n=r._tileClippingMaskIDs[o.id]=a++<<3;t.stencilFunc(t.ALWAYS,n,248);var l=r.useProgram("fill",r.basicFillProgramConfiguration);t.uniformMatrix4fv(l.u_matrix,!1,o.posMatrix),r.tileExtentVAO.bind(t,l,r.tileExtentBuffer),t.drawArrays(t.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}t.stencilMask(0),t.colorMask(!0,!0,!0,!0),this.depthMask(!0),t.enable(t.DEPTH_TEST)},Painter.prototype.enableTileClippingMask=function(e){var r=this.gl;r.stencilFunc(r.EQUAL,this._tileClippingMaskIDs[e.id],248)},Painter.prototype.prepareBuffers=function(){},Painter.prototype.bindDefaultFramebuffer=function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null)},Painter.prototype.render=function(e,r){if(this.style=e,this.options=r,this.lineAtlas=e.lineAtlas,this.spriteAtlas=e.spriteAtlas,this.spriteAtlas.setSprite(e.sprite),this.glyphSource=e.glyphSource,this.frameHistory.record(Date.now(),this.transform.zoom,e.getTransition().duration),this.prepareBuffers(),this.clearColor(),this.clearDepth(),this.showOverdrawInspector(r.showOverdrawInspector),this.depthRange=(e._order.length+2)*this.numSublayers*this.depthEpsilon,this.isOpaquePass=!0,this.renderPass(),this.isOpaquePass=!1,this.renderPass(),this.options.showTileBoundaries){var t=this.style.sourceCaches[Object.keys(this.style.sourceCaches)[0]];draw.debug(this,t,t.getVisibleCoordinates())}},Painter.prototype.renderPass=function(){var e,r,t=this,a=this.style._order;this.currentLayer=this.isOpaquePass?a.length-1:0;for(var i=0;i<a.length;i++){var s=t.style._layers[a[t.currentLayer]];s.source!==(e&&e.id)&&(e=t.style.sourceCaches[s.source],r=[],e&&(e.prepare&&e.prepare(),t.clearStencil(),r=e.getVisibleCoordinates(),e.getSource().isTileClipped&&t._renderTileClippingMasks(r)),t.isOpaquePass?t._showOverdrawInspector||t.gl.disable(t.gl.BLEND):(t.gl.enable(t.gl.BLEND),r.reverse())),t.renderLayer(t,e,s,r),t.currentLayer+=t.isOpaquePass?-1:1}},Painter.prototype.depthMask=function(e){e!==this._depthMask&&(this._depthMask=e,this.gl.depthMask(e))},Painter.prototype.renderLayer=function(e,r,t,a){t.isHidden(this.transform.zoom)||("background"===t.type||a.length)&&(this.id=t.id,draw[t.type](e,r,t,a))},Painter.prototype.setDepthSublayer=function(e){var r=1-((1+this.currentLayer)*this.numSublayers+e)*this.depthEpsilon,t=r-1+this.depthRange;this.gl.depthRange(t,r)},Painter.prototype.translatePosMatrix=function(e,r,t,a){if(!t[0]&&!t[1])return e;if("viewport"===a){var i=Math.sin(-this.transform.angle),s=Math.cos(-this.transform.angle);t=[t[0]*s-t[1]*i,t[0]*i+t[1]*s]}var o=[pixelsToTileUnits(r,t[0],this.transform.zoom),pixelsToTileUnits(r,t[1],this.transform.zoom),0],n=new Float32Array(16);return mat4.translate(n,e,o),n},Painter.prototype.saveTileTexture=function(e){var r=this.reusableTextures[e.size];r?r.push(e):this.reusableTextures[e.size]=[e]},Painter.prototype.saveViewportTexture=function(e){this.reusableTextures.viewport||(this.reusableTextures.viewport={}),this.reusableTextures.viewport.texture=e},Painter.prototype.getTileTexture=function(e,r){var t=this.reusableTextures[e];if(t){var a=t[r||e];return a&&a.length>0?a.pop():null}},Painter.prototype.getViewportTexture=function(e,r){if(this.reusableTextures.viewport){var t=this.reusableTextures.viewport.texture;return t.width===e&&t.height===r?t:(this.gl.deleteTexture(t),void(this.reusableTextures.viewport.texture=null))}},Painter.prototype.lineWidth=function(e){this.gl.lineWidth(util.clamp(e,this.lineWidthRange[0],this.lineWidthRange[1]))},Painter.prototype.showOverdrawInspector=function(e){if(e||this._showOverdrawInspector){this._showOverdrawInspector=e;var r=this.gl;if(e){r.blendFunc(r.CONSTANT_COLOR,r.ONE);var t=8,a=1/t;r.blendColor(a,a,a,0),r.clearColor(0,0,0,1),r.clear(r.COLOR_BUFFER_BIT)}else r.blendFunc(r.ONE,r.ONE_MINUS_SRC_ALPHA)}},Painter.prototype.createProgram=function(e,r){var t=this.gl,a=t.createProgram(),i=shaders[e],s="#define MAPBOX_GL_JS\n#define DEVICE_PIXEL_RATIO "+browser.devicePixelRatio.toFixed(1)+"\n";this._showOverdrawInspector&&(s+="#define OVERDRAW_INSPECTOR;\n");var o=t.createShader(t.FRAGMENT_SHADER);t.shaderSource(o,r.applyPragmas(s+shaders.prelude.fragmentSource+i.fragmentSource,"fragment")),t.compileShader(o),t.attachShader(a,o);var n=t.createShader(t.VERTEX_SHADER);t.shaderSource(n,r.applyPragmas(s+shaders.prelude.vertexSource+i.vertexSource,"vertex")),t.compileShader(n),t.attachShader(a,n),t.linkProgram(a);for(var l=t.getProgramParameter(a,t.ACTIVE_ATTRIBUTES),u={program:a,numAttributes:l},h=0;h<l;h++){var c=t.getActiveAttrib(a,h);u[c.name]=t.getAttribLocation(a,c.name)}for(var p=t.getProgramParameter(a,t.ACTIVE_UNIFORMS),d=0;d<p;d++){var f=t.getActiveUniform(a,d);u[f.name]=t.getUniformLocation(a,f.name)}return u},Painter.prototype._createProgramCached=function(e,r){this.cache=this.cache||{};var t=""+e+(r.cacheKey||"")+(this._showOverdrawInspector?"/overdraw":"");return this.cache[t]||(this.cache[t]=this.createProgram(e,r)),this.cache[t]},Painter.prototype.useProgram=function(e,r){var t=this.gl,a=this._createProgramCached(e,r||this.emptyProgramConfiguration);return this.currentProgram!==a&&(t.useProgram(a.program),this.currentProgram=a),a},module.exports=Painter;
-},{"../data/buffer":8,"../data/extent":11,"../data/pos_array":14,"../data/program_configuration":15,"../data/raster_bounds_array":16,"../source/pixels_to_tile_units":45,"../source/source_cache":49,"../util/browser":108,"../util/util":127,"./draw_background":25,"./draw_circle":26,"./draw_debug":28,"./draw_fill":29,"./draw_fill_extrusion":30,"./draw_line":31,"./draw_raster":32,"./draw_symbol":33,"./frame_history":34,"./shaders":38,"./vertex_array_object":39,"@mapbox/gl-matrix":131}],37:[function(require,module,exports){
-"use strict";var pixelsToTileUnits=require("../source/pixels_to_tile_units");exports.prepare=function(r,t,i){var o=t.gl,e=t.spriteAtlas.getPosition(r.from,!0),_=t.spriteAtlas.getPosition(r.to,!0);e&&_&&(o.uniform1i(i.u_image,0),o.uniform2fv(i.u_pattern_tl_a,e.tl),o.uniform2fv(i.u_pattern_br_a,e.br),o.uniform2fv(i.u_pattern_tl_b,_.tl),o.uniform2fv(i.u_pattern_br_b,_.br),o.uniform1f(i.u_mix,r.t),o.uniform2fv(i.u_pattern_size_a,e.size),o.uniform2fv(i.u_pattern_size_b,_.size),o.uniform1f(i.u_scale_a,r.fromScale),o.uniform1f(i.u_scale_b,r.toScale),o.activeTexture(o.TEXTURE0),t.spriteAtlas.bind(o,!0))},exports.setTile=function(r,t,i){var o=t.gl;o.uniform1f(i.u_tile_units_to_pixels,1/pixelsToTileUnits(r,1,t.transform.tileZoom));var e=Math.pow(2,r.coord.z),_=r.tileSize*Math.pow(2,t.transform.tileZoom)/e,u=_*(r.coord.x+r.coord.w*e),n=_*r.coord.y;o.uniform2f(i.u_pixel_coord_upper,u>>16,n>>16),o.uniform2f(i.u_pixel_coord_lower,65535&u,65535&n)};
-},{"../source/pixels_to_tile_units":45}],38:[function(require,module,exports){
-"use strict";var path=require("path");module.exports={prelude:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n\n#if !defined(lowp)\n#define lowp\n#endif\n\n#if !defined(mediump)\n#define mediump\n#endif\n\n#if !defined(highp)\n#define highp\n#endif\n\n#endif\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n\n#if !defined(lowp)\n#define lowp\n#endif\n\n#if !defined(mediump)\n#define mediump\n#endif\n\n#if !defined(highp)\n#define highp\n#endif\n\n#endif\n\nfloat evaluate_zoom_function_1(const vec4 values, const float t) {\n    if (t < 1.0) {\n        return mix(values[0], values[1], t);\n    } else if (t < 2.0) {\n        return mix(values[1], values[2], t - 1.0);\n    } else {\n        return mix(values[2], values[3], t - 2.0);\n    }\n}\nvec4 evaluate_zoom_function_4(const vec4 value0, const vec4 value1, const vec4 value2, const vec4 value3, const float t) {\n    if (t < 1.0) {\n        return mix(value0, value1, t);\n    } else if (t < 2.0) {\n        return mix(value1, value2, t - 1.0);\n    } else {\n        return mix(value2, value3, t - 2.0);\n    }\n}\n\n// The offset depends on how many pixels are between the world origin and the edge of the tile:\n// vec2 offset = mod(pixel_coord, size)\n//\n// At high zoom levels there are a ton of pixels between the world origin and the edge of the tile.\n// The glsl spec only guarantees 16 bits of precision for highp floats. We need more than that.\n//\n// The pixel_coord is passed in as two 16 bit values:\n// pixel_coord_upper = floor(pixel_coord / 2^16)\n// pixel_coord_lower = mod(pixel_coord, 2^16)\n//\n// The offset is calculated in a series of steps that should preserve this precision:\nvec2 get_pattern_pos(const vec2 pixel_coord_upper, const vec2 pixel_coord_lower,\n    const vec2 pattern_size, const float tile_units_to_pixels, const vec2 pos) {\n\n    vec2 offset = mod(mod(mod(pixel_coord_upper, pattern_size) * 256.0, pattern_size) * 256.0 + pixel_coord_lower, pattern_size);\n    return (tile_units_to_pixels * pos + offset) / pattern_size;\n}\n"},circle:{fragmentSource:"#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define mediump float radius\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp vec4 stroke_color\n#pragma mapbox: define mediump float stroke_width\n#pragma mapbox: define lowp float stroke_opacity\n\nvarying vec2 v_extrude;\nvarying lowp float v_antialiasblur;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize mediump float radius\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize lowp vec4 stroke_color\n    #pragma mapbox: initialize mediump float stroke_width\n    #pragma mapbox: initialize lowp float stroke_opacity\n\n    float extrude_length = length(v_extrude);\n    float antialiased_blur = -max(blur, v_antialiasblur);\n\n    float opacity_t = smoothstep(0.0, antialiased_blur, extrude_length - 1.0);\n\n    float color_t = stroke_width < 0.01 ? 0.0 : smoothstep(\n        antialiased_blur,\n        0.0,\n        extrude_length - radius / (radius + stroke_width)\n    );\n\n    gl_FragColor = opacity_t * mix(color * opacity, stroke_color * stroke_opacity, color_t);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform bool u_scale_with_map;\nuniform vec2 u_extrude_scale;\n\nattribute vec2 a_pos;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define mediump float radius\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp vec4 stroke_color\n#pragma mapbox: define mediump float stroke_width\n#pragma mapbox: define lowp float stroke_opacity\n\nvarying vec2 v_extrude;\nvarying lowp float v_antialiasblur;\n\nvoid main(void) {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize mediump float radius\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize lowp vec4 stroke_color\n    #pragma mapbox: initialize mediump float stroke_width\n    #pragma mapbox: initialize lowp float stroke_opacity\n\n    // unencode the extrusion vector that we snuck into the a_pos vector\n    v_extrude = vec2(mod(a_pos, 2.0) * 2.0 - 1.0);\n\n    vec2 extrude = v_extrude * (radius + stroke_width) * u_extrude_scale;\n    // multiply a_pos by 0.5, since we had it * 2 in order to sneak\n    // in extrusion data\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5), 0, 1);\n\n    if (u_scale_with_map) {\n        gl_Position.xy += extrude;\n    } else {\n        gl_Position.xy += extrude * gl_Position.w;\n    }\n\n    // This is a minimum blur distance that serves as a faux-antialiasing for\n    // the circle. since blur is a ratio of the circle's size and the intent is\n    // to keep the blur at roughly 1px, the two are inversely related.\n    v_antialiasblur = 1.0 / DEVICE_PIXEL_RATIO / (radius + stroke_width);\n}\n"},collisionBox:{fragmentSource:"uniform float u_zoom;\nuniform float u_maxzoom;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n\n    float alpha = 0.5;\n\n    gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0) * alpha;\n\n    if (v_placement_zoom > u_zoom) {\n        gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * alpha;\n    }\n\n    if (u_zoom >= v_max_zoom) {\n        gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0) * alpha * 0.25;\n    }\n\n    if (v_placement_zoom >= u_maxzoom) {\n        gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0) * alpha * 0.2;\n    }\n}\n",vertexSource:"attribute vec2 a_pos;\nattribute vec2 a_extrude;\nattribute vec2 a_data;\n\nuniform mat4 u_matrix;\nuniform float u_scale;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos + a_extrude / u_scale, 0.0, 1.0);\n\n    v_max_zoom = a_data.x;\n    v_placement_zoom = a_data.y;\n}\n"},debug:{fragmentSource:"uniform lowp vec4 u_color;\n\nvoid main() {\n    gl_FragColor = u_color;\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, step(32767.0, a_pos.x), 1);\n}\n"},fill:{fragmentSource:"#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_FragColor = color * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n}\n"},fillOutline:{fragmentSource:"#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_pos;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 outline_color\n    #pragma mapbox: initialize lowp float opacity\n\n    float dist = length(v_pos - gl_FragCoord.xy);\n    float alpha = smoothstep(1.0, 0.0, dist);\n    gl_FragColor = outline_color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 outline_color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},fillOutlinePattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    vec2 imagecoord = mod(v_pos_a, 1.0);\n    vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n    vec4 color1 = texture2D(u_image, pos);\n\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\n    vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n    vec4 color2 = texture2D(u_image, pos2);\n\n    // find distance to outline for alpha interpolation\n\n    float dist = length(v_pos - gl_FragCoord.xy);\n    float alpha = smoothstep(1.0, 0.0, dist);\n\n\n    gl_FragColor = mix(color1, color2, u_mix) * alpha * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_world;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, a_pos);\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, a_pos);\n\n    v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},fillPattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    vec2 imagecoord = mod(v_pos_a, 1.0);\n    vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n    vec4 color1 = texture2D(u_image, pos);\n\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\n    vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n    vec4 color2 = texture2D(u_image, pos2);\n\n    gl_FragColor = mix(color1, color2, u_mix) * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, a_pos);\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, a_pos);\n}\n"},fillExtrusion:{fragmentSource:"varying vec4 v_color;\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n    #pragma mapbox: initialize lowp vec4 color\n\n    gl_FragColor = v_color;\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec3 u_lightcolor;\nuniform lowp vec3 u_lightpos;\nuniform lowp float u_lightintensity;\nuniform lowp vec4 u_outline_color;\n\nattribute vec2 a_pos;\nattribute vec3 a_normal;\nattribute float a_edgedistance;\n\nvarying vec4 v_color;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n    #pragma mapbox: initialize lowp vec4 color\n\n    float ed = a_edgedistance; // use each attrib in order to not trip a VAO assert\n    float t = mod(a_normal.x, 2.0);\n\n    gl_Position = u_matrix * vec4(a_pos, t > 0.0 ? height : base, 1);\n\n#ifdef OUTLINE\n    color = u_outline_color;\n#endif\n\n    // Relative luminance (how dark/bright is the surface color?)\n    float colorvalue = color.r * 0.2126 + color.g * 0.7152 + color.b * 0.0722;\n\n    v_color = vec4(0.0, 0.0, 0.0, 1.0);\n\n    // Add slight ambient lighting so no extrusions are totally black\n    vec4 ambientlight = vec4(0.03, 0.03, 0.03, 1.0);\n    color += ambientlight;\n\n    // Calculate cos(theta), where theta is the angle between surface normal and diffuse light ray\n    float directional = clamp(dot(a_normal / 16384.0, u_lightpos), 0.0, 1.0);\n\n    // Adjust directional so that\n    // the range of values for highlight/shading is narrower\n    // with lower light intensity\n    // and with lighter/brighter surface colors\n    directional = mix((1.0 - u_lightintensity), max((1.0 - colorvalue + u_lightintensity), 1.0), directional);\n\n    // Add gradient along z axis of side surfaces\n    if (a_normal.y != 0.0) {\n        directional *= clamp((t + base) * pow(height / 150.0, 0.5), mix(0.7, 0.98, 1.0 - u_lightintensity), 1.0);\n    }\n\n    // Assign final color based on surface + ambient light color, diffuse light directional, and light color\n    // with lower bounds adjusted to hue of light\n    // so that shading is tinted with the complementary (opposite) color to the light color\n    v_color.r += clamp(color.r * directional * u_lightcolor.r, mix(0.0, 0.3, 1.0 - u_lightcolor.r), 1.0);\n    v_color.g += clamp(color.g * directional * u_lightcolor.g, mix(0.0, 0.3, 1.0 - u_lightcolor.g), 1.0);\n    v_color.b += clamp(color.b * directional * u_lightcolor.b, mix(0.0, 0.3, 1.0 - u_lightcolor.b), 1.0);\n}\n"},fillExtrusionPattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec4 v_lighting;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n\n    vec2 imagecoord = mod(v_pos_a, 1.0);\n    vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n    vec4 color1 = texture2D(u_image, pos);\n\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\n    vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n    vec4 color2 = texture2D(u_image, pos2);\n\n    vec4 mixedColor = mix(color1, color2, u_mix);\n\n    gl_FragColor = mixedColor * v_lighting;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\nuniform float u_height_factor;\n\nuniform vec3 u_lightcolor;\nuniform lowp vec3 u_lightpos;\nuniform lowp float u_lightintensity;\n\nattribute vec2 a_pos;\nattribute vec3 a_normal;\nattribute float a_edgedistance;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec4 v_lighting;\nvarying float v_directional;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n\n    float t = mod(a_normal.x, 2.0);\n    float z = t > 0.0 ? height : base;\n\n    gl_Position = u_matrix * vec4(a_pos, z, 1);\n\n    vec2 pos = a_normal.x == 1.0 && a_normal.y == 0.0 && a_normal.z == 16384.0\n        ? a_pos // extrusion top\n        : vec2(a_edgedistance, z * u_height_factor); // extrusion side\n\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, pos);\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, pos);\n\n    v_lighting = vec4(0.0, 0.0, 0.0, 1.0);\n    float directional = clamp(dot(a_normal / 16383.0, u_lightpos), 0.0, 1.0);\n    directional = mix((1.0 - u_lightintensity), max((0.5 + u_lightintensity), 1.0), directional);\n\n    if (a_normal.y != 0.0) {\n        directional *= clamp((t + base) * pow(height / 150.0, 0.5), mix(0.7, 0.98, 1.0 - u_lightintensity), 1.0);\n    }\n\n    v_lighting.rgb += clamp(directional * u_lightcolor, mix(vec3(0.0), vec3(0.3), 1.0 - u_lightcolor), vec3(1.0));\n}\n"},extrusionTexture:{fragmentSource:"uniform sampler2D u_texture;\nuniform float u_opacity;\n\nvarying vec2 v_pos;\n\nvoid main() {\n    gl_FragColor = texture2D(u_texture, v_pos) * u_opacity;\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform int u_xdim;\nuniform int u_ydim;\nattribute vec2 a_pos;\nvarying vec2 v_pos;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n    v_pos.x = a_pos.x / float(u_xdim);\n    v_pos.y = 1.0 - a_pos.y / float(u_ydim);\n}\n"},line:{fragmentSource:"#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_width2;\nvarying vec2 v_normal;\nvarying float v_gamma_scale;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_width2.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_width2.t) or when fading out\n    // (v_width2.s)\n    float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\n\n    gl_FragColor = color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"\n\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_width;\nuniform vec2 u_gl_units_to_pixels;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define mediump float gapwidth\n#pragma mapbox: define lowp float offset\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize mediump float gapwidth\n    #pragma mapbox: initialize lowp float offset\n\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n\n    // these transformations used to be applied in the JS and native code bases. \n    // moved them into the shader for clarity and simplicity. \n    gapwidth = gapwidth / 2.0;\n    float width = u_width / 2.0;\n    offset = -1.0 * offset; \n\n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n    float outset = gapwidth + width * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist = outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit to get the position\n    vec2 pos = floor(a_pos * 0.5);\n\n    vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n    gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n    // calculate how much the perspective view squishes or stretches the extrude\n    float extrude_length_without_perspective = length(dist);\n    float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n    v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n    v_width2 = vec2(outset, inset);\n}\n"},linePattern:{fragmentSource:"uniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_fade;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_width2.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_width2.t) or when fading out\n    // (v_width2.s)\n    float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\n\n    float x_a = mod(v_linesofar / u_pattern_size_a.x, 1.0);\n    float x_b = mod(v_linesofar / u_pattern_size_b.x, 1.0);\n    float y_a = 0.5 + (v_normal.y * v_width2.s / u_pattern_size_a.y);\n    float y_b = 0.5 + (v_normal.y * v_width2.s / u_pattern_size_b.y);\n    vec2 pos_a = mix(u_pattern_tl_a, u_pattern_br_a, vec2(x_a, y_a));\n    vec2 pos_b = mix(u_pattern_tl_b, u_pattern_br_b, vec2(x_b, y_b));\n\n    vec4 color = mix(texture2D(u_image, pos_a), texture2D(u_image, pos_b), u_fade);\n\n    gl_FragColor = color * alpha * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_width;\nuniform vec2 u_gl_units_to_pixels;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp float offset\n#pragma mapbox: define mediump float gapwidth\n\nvoid main() {\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize lowp float offset\n    #pragma mapbox: initialize mediump float gapwidth\n\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n    float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n    // these transformations used to be applied in the JS and native code bases. \n    // moved them into the shader for clarity and simplicity. \n    gapwidth = gapwidth / 2.0;\n    float width = u_width / 2.0;\n    offset = -1.0 * offset; \n\n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n    float outset = gapwidth + width * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist = outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit to get the position\n    vec2 pos = floor(a_pos * 0.5);\n\n    vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n    gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n    // calculate how much the perspective view squishes or stretches the extrude\n    float extrude_length_without_perspective = length(dist);\n    float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n    v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n    v_linesofar = a_linesofar;\n    v_width2 = vec2(outset, inset);\n}\n"},lineSDF:{fragmentSource:"\nuniform sampler2D u_image;\nuniform float u_sdfgamma;\nuniform float u_mix;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_width2.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_width2.t) or when fading out\n    // (v_width2.s)\n    float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\n\n    float sdfdist_a = texture2D(u_image, v_tex_a).a;\n    float sdfdist_b = texture2D(u_image, v_tex_b).a;\n    float sdfdist = mix(sdfdist_a, sdfdist_b, u_mix);\n    alpha *= smoothstep(0.5 - u_sdfgamma, 0.5 + u_sdfgamma, sdfdist);\n\n    gl_FragColor = color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform vec2 u_patternscale_a;\nuniform float u_tex_y_a;\nuniform vec2 u_patternscale_b;\nuniform float u_tex_y_b;\nuniform vec2 u_gl_units_to_pixels;\nuniform mediump float u_width;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define mediump float gapwidth\n#pragma mapbox: define lowp float offset\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize mediump float gapwidth\n    #pragma mapbox: initialize lowp float offset\n\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n    float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n    // these transformations used to be applied in the JS and native code bases. \n    // moved them into the shader for clarity and simplicity. \n    gapwidth = gapwidth / 2.0;\n    float width = u_width / 2.0;\n    offset = -1.0 * offset;\n \n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n    float outset = gapwidth + width * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist =outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit to get the position\n    vec2 pos = floor(a_pos * 0.5);\n\n    vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n    gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n    // calculate how much the perspective view squishes or stretches the extrude\n    float extrude_length_without_perspective = length(dist);\n    float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n    v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n    v_tex_a = vec2(a_linesofar * u_patternscale_a.x, normal.y * u_patternscale_a.y + u_tex_y_a);\n    v_tex_b = vec2(a_linesofar * u_patternscale_b.x, normal.y * u_patternscale_b.y + u_tex_y_b);\n\n    v_width2 = vec2(outset, inset);\n}\n"
-},raster:{fragmentSource:"uniform float u_opacity0;\nuniform float u_opacity1;\nuniform sampler2D u_image0;\nuniform sampler2D u_image1;\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nuniform float u_brightness_low;\nuniform float u_brightness_high;\n\nuniform float u_saturation_factor;\nuniform float u_contrast_factor;\nuniform vec3 u_spin_weights;\n\nvoid main() {\n\n    // read and cross-fade colors from the main and parent tiles\n    vec4 color0 = texture2D(u_image0, v_pos0);\n    vec4 color1 = texture2D(u_image1, v_pos1);\n    vec4 color = color0 * u_opacity0 + color1 * u_opacity1;\n    vec3 rgb = color.rgb;\n\n    // spin\n    rgb = vec3(\n        dot(rgb, u_spin_weights.xyz),\n        dot(rgb, u_spin_weights.zxy),\n        dot(rgb, u_spin_weights.yzx));\n\n    // saturation\n    float average = (color.r + color.g + color.b) / 3.0;\n    rgb += (average - rgb) * u_saturation_factor;\n\n    // contrast\n    rgb = (rgb - 0.5) * u_contrast_factor + 0.5;\n\n    // brightness\n    vec3 u_high_vec = vec3(u_brightness_low, u_brightness_low, u_brightness_low);\n    vec3 u_low_vec = vec3(u_brightness_high, u_brightness_high, u_brightness_high);\n\n    gl_FragColor = vec4(mix(u_high_vec, u_low_vec, rgb), color.a);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_tl_parent;\nuniform float u_scale_parent;\nuniform float u_buffer_scale;\n\nattribute vec2 a_pos;\nattribute vec2 a_texture_pos;\n\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    v_pos0 = (((a_texture_pos / 32767.0) - 0.5) / u_buffer_scale ) + 0.5;\n    v_pos1 = (v_pos0 * u_scale_parent) + u_tl_parent;\n}\n"},symbolIcon:{fragmentSource:"uniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp float u_opacity;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n    lowp float alpha = texture2D(u_fadetexture, v_fade_tex).a * u_opacity;\n    gl_FragColor = texture2D(u_texture, v_tex) * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"attribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n    vec2 a_tex = a_texture_pos.xy;\n    mediump float a_labelminzoom = a_data[0];\n    mediump vec2 a_zoom = a_data.pq;\n    mediump float a_minzoom = a_zoom[0];\n    mediump float a_maxzoom = a_zoom[1];\n\n    // u_zoom is the current zoom level adjusted for the change in font size\n    mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n    vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n    if (u_rotate_with_map) {\n        gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n        gl_Position.z += z * gl_Position.w;\n    } else {\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n    }\n\n    v_tex = a_tex / u_texsize;\n    v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"},symbolSDF:{fragmentSource:"uniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\nuniform lowp float u_buffer;\nuniform lowp float u_gamma;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n    lowp float dist = texture2D(u_texture, v_tex).a;\n    lowp float fade_alpha = texture2D(u_fadetexture, v_fade_tex).a;\n    lowp float gamma = u_gamma * v_gamma_scale;\n    lowp float alpha = smoothstep(u_buffer - gamma, u_buffer + gamma, dist) * fade_alpha;\n\n    gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"const float PI = 3.141592653589793;\n\nattribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform bool u_pitch_with_map;\nuniform mediump float u_pitch;\nuniform mediump float u_bearing;\nuniform mediump float u_aspect_ratio;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n    vec2 a_tex = a_texture_pos.xy;\n    mediump float a_labelminzoom = a_data[0];\n    mediump vec2 a_zoom = a_data.pq;\n    mediump float a_minzoom = a_zoom[0];\n    mediump float a_maxzoom = a_zoom[1];\n\n    // u_zoom is the current zoom level adjusted for the change in font size\n    mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n    // pitch-alignment: map\n    // rotation-alignment: map | viewport\n    if (u_pitch_with_map) {\n        lowp float angle = u_rotate_with_map ? (a_data[1] / 256.0 * 2.0 * PI) : u_bearing;\n        lowp float asin = sin(angle);\n        lowp float acos = cos(angle);\n        mat2 RotationMatrix = mat2(acos, asin, -1.0 * asin, acos);\n        vec2 offset = RotationMatrix * a_offset;\n        vec2 extrude = u_extrude_scale * (offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n        gl_Position.z += z * gl_Position.w;\n    // pitch-alignment: viewport\n    // rotation-alignment: map\n    } else if (u_rotate_with_map) {\n        // foreshortening factor to apply on pitched maps\n        // as a label goes from horizontal <=> vertical in angle\n        // it goes from 0% foreshortening to up to around 70% foreshortening\n        lowp float pitchfactor = 1.0 - cos(u_pitch * sin(u_pitch * 0.75));\n\n        lowp float lineangle = a_data[1] / 256.0 * 2.0 * PI;\n\n        // use the lineangle to position points a,b along the line\n        // project the points and calculate the label angle in projected space\n        // this calculation allows labels to be rendered unskewed on pitched maps\n        vec4 a = u_matrix * vec4(a_pos, 0, 1);\n        vec4 b = u_matrix * vec4(a_pos + vec2(cos(lineangle),sin(lineangle)), 0, 1);\n        lowp float angle = atan((b[1]/b[3] - a[1]/a[3])/u_aspect_ratio, b[0]/b[3] - a[0]/a[3]);\n        lowp float asin = sin(angle);\n        lowp float acos = cos(angle);\n        mat2 RotationMatrix = mat2(acos, -1.0 * asin, asin, acos);\n\n        vec2 offset = RotationMatrix * (vec2((1.0-pitchfactor)+(pitchfactor*cos(angle*2.0)), 1.0) * a_offset);\n        vec2 extrude = u_extrude_scale * (offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n        gl_Position.z += z * gl_Position.w;\n    // pitch-alignment: viewport\n    // rotation-alignment: viewport\n    } else {\n        vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n    }\n\n    v_gamma_scale = gl_Position.w;\n\n    v_tex = a_tex / u_texsize;\n    v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"}};
-},{"path":191}],39:[function(require,module,exports){
-"use strict";var VertexArrayObject=function(){this.boundProgram=null,this.boundVertexBuffer=null,this.boundVertexBuffer2=null,this.boundElementBuffer=null,this.boundVertexOffset=null,this.vao=null};VertexArrayObject.prototype.bind=function(e,t,r,i,n,o){void 0===e.extVertexArrayObject&&(e.extVertexArrayObject=e.getExtension("OES_vertex_array_object"));var s=!this.vao||this.boundProgram!==t||this.boundVertexBuffer!==r||this.boundVertexBuffer2!==n||this.boundElementBuffer!==i||this.boundVertexOffset!==o;!e.extVertexArrayObject||s?(this.freshBind(e,t,r,i,n,o),this.gl=e):e.extVertexArrayObject.bindVertexArrayOES(this.vao)},VertexArrayObject.prototype.freshBind=function(e,t,r,i,n,o){var s,u=t.numAttributes;if(e.extVertexArrayObject)this.vao&&this.destroy(),this.vao=e.extVertexArrayObject.createVertexArrayOES(),e.extVertexArrayObject.bindVertexArrayOES(this.vao),s=0,this.boundProgram=t,this.boundVertexBuffer=r,this.boundVertexBuffer2=n,this.boundElementBuffer=i,this.boundVertexOffset=o;else{s=e.currentNumAttributes||0;for(var b=u;b<s;b++)e.disableVertexAttribArray(b)}for(var a=s;a<u;a++)e.enableVertexAttribArray(a);r.bind(e),r.setVertexAttribPointers(e,t,o),n&&(n.bind(e),n.setVertexAttribPointers(e,t,o)),i&&i.bind(e),e.currentNumAttributes=u},VertexArrayObject.prototype.destroy=function(){this.vao&&(this.gl.extVertexArrayObject.deleteVertexArrayOES(this.vao),this.vao=null)},module.exports=VertexArrayObject;
-},{}],40:[function(require,module,exports){
-"use strict";function resolveURL(t){var e=window.document.createElement("a");return e.href=t,e.href}var Evented=require("../util/evented"),util=require("../util/util"),window=require("../util/window"),EXTENT=require("../data/extent"),GeoJSONSource=function(t){function e(e,o,i,r){var a=this;t.call(this),o=o||{},this.id=e,this.type="geojson",this.minzoom=0,this.maxzoom=18,this.tileSize=512,this.isTileClipped=!0,this.reparseOverscaled=!0,this.dispatcher=i,this._data=o.data,void 0!==o.maxzoom&&(this.maxzoom=o.maxzoom),o.type&&(this.type=o.type);var s=EXTENT/this.tileSize;this.workerOptions=util.extend({source:this.id,cluster:o.cluster||!1,geojsonVtOptions:{buffer:(void 0!==o.buffer?o.buffer:128)*s,tolerance:(void 0!==o.tolerance?o.tolerance:.375)*s,extent:EXTENT,maxZoom:this.maxzoom},superclusterOptions:{maxZoom:Math.min(o.clusterMaxZoom,this.maxzoom-1)||this.maxzoom-1,extent:EXTENT,radius:(o.clusterRadius||50)*s,log:!1}},o.workerOptions),this.setEventedParent(r),this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(t){return t?void a.fire("error",{error:t}):(a.fire("data",{dataType:"source"}),void a.fire("source.load"))})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.onAdd=function(t){this.map=t},e.prototype.setData=function(t){var e=this;return this._data=t,this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(t){return t?e.fire("error",{error:t}):void e.fire("data",{dataType:"source"})}),this},e.prototype._updateWorkerData=function(t){var e=this,o=util.extend({},this.workerOptions),i=this._data;"string"==typeof i?o.url=resolveURL(i):o.data=JSON.stringify(i),this.workerID=this.dispatcher.send(this.type+".loadData",o,function(o){e._loaded=!0,t(o)})},e.prototype.loadTile=function(t,e){var o=this,i=t.coord.z>this.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,r={type:this.type,uid:t.uid,coord:t.coord,zoom:t.coord.z,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,overscaling:i,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID=this.dispatcher.send("loadTile",r,function(i,r){if(t.unloadVectorData(),!t.aborted)return i?e(i):(t.loadVectorData(r,o.map.painter),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(o)),e(null))},this.workerID)},e.prototype.abortTile=function(t){t.aborted=!0},e.prototype.unloadTile=function(t){t.unloadVectorData(),this.dispatcher.send("removeTile",{uid:t.uid,type:this.type,source:this.id},function(){},t.workerID)},e.prototype.onRemove=function(){this.dispatcher.broadcast("removeSource",{type:this.type,source:this.id},function(){})},e.prototype.serialize=function(){return{type:this.type,data:this._data}},e}(Evented);module.exports=GeoJSONSource;
-},{"../data/extent":11,"../util/evented":116,"../util/util":127,"../util/window":110}],41:[function(require,module,exports){
-"use strict";var ajax=require("../util/ajax"),rewind=require("geojson-rewind"),GeoJSONWrapper=require("./geojson_wrapper"),vtpbf=require("vt-pbf"),supercluster=require("supercluster"),geojsonvt=require("geojson-vt"),VectorTileWorkerSource=require("./vector_tile_worker_source"),GeoJSONWorkerSource=function(e){function r(r,t,o){e.call(this,r,t),o&&(this.loadGeoJSON=o),this._geoJSONIndexes={}}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.loadVectorData=function(e,r){var t=e.source,o=e.coord;if(!this._geoJSONIndexes[t])return r(null,null);var n=this._geoJSONIndexes[t].getTile(Math.min(o.z,e.maxZoom),o.x,o.y);if(!n)return r(null,null);var u=new GeoJSONWrapper(n.features);u.name="_geojsonTileLayer";var a=vtpbf({layers:{_geojsonTileLayer:u}});0===a.byteOffset&&a.byteLength===a.buffer.byteLength||(a=new Uint8Array(a)),u.rawData=a.buffer,r(null,u)},r.prototype.loadData=function(e,r){var t=function(t,o){var n=this;return t?r(t):"object"!=typeof o?r(new Error("Input data is not a valid GeoJSON object.")):(rewind(o,!0),void this._indexData(o,e,function(t,o){return t?r(t):(n._geoJSONIndexes[e.source]=o,void r(null))}))}.bind(this);this.loadGeoJSON(e,t)},r.prototype.loadGeoJSON=function(e,r){if(e.url)ajax.getJSON(e.url,r);else{if("string"!=typeof e.data)return r(new Error("Input data is not a valid GeoJSON object."));try{return r(null,JSON.parse(e.data))}catch(e){return r(new Error("Input data is not a valid GeoJSON object."))}}},r.prototype.removeSource=function(e){this._geoJSONIndexes[e.source]&&delete this._geoJSONIndexes[e.source]},r.prototype._indexData=function(e,r,t){try{r.cluster?t(null,supercluster(r.superclusterOptions).load(e.features)):t(null,geojsonvt(e,r.geojsonVtOptions))}catch(e){return t(e)}},r}(VectorTileWorkerSource);module.exports=GeoJSONWorkerSource;
-},{"../util/ajax":107,"./geojson_wrapper":42,"./vector_tile_worker_source":53,"geojson-rewind":137,"geojson-vt":141,"supercluster":198,"vt-pbf":208}],42:[function(require,module,exports){
-"use strict";var Point=require("point-geometry"),VectorTileFeature=require("vector-tile").VectorTileFeature,EXTENT=require("../data/extent"),FeatureWrapper=function(e){var t=this;if(this.type=e.type,1===e.type){this.rawGeometry=[];for(var r=0;r<e.geometry.length;r++)t.rawGeometry.push([e.geometry[r]])}else this.rawGeometry=e.geometry;this.properties=e.tags,this.extent=EXTENT};FeatureWrapper.prototype.loadGeometry=function(){var e=this,t=this.rawGeometry;this.geometry=[];for(var r=0;r<t.length;r++){for(var o=t[r],a=[],i=0;i<o.length;i++)a.push(new Point(o[i][0],o[i][1]));e.geometry.push(a)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-(1/0),o=1/0,a=-(1/0),i=0;i<e.length;i++)for(var p=e[i],h=0;h<p.length;h++){var n=p[h];t=Math.min(t,n.x),r=Math.max(r,n.x),o=Math.min(o,n.y),a=Math.max(a,n.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=function(){VectorTileFeature.prototype.toGeoJSON.call(this)};var GeoJSONWrapper=function(e){this.features=e,this.length=e.length,this.extent=EXTENT};GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},module.exports=GeoJSONWrapper;
-},{"../data/extent":11,"point-geometry":194,"vector-tile":204}],43:[function(require,module,exports){
-"use strict";var util=require("../util/util"),window=require("../util/window"),TileCoord=require("./tile_coord"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),Evented=require("../util/evented"),ajax=require("../util/ajax"),EXTENT=require("../data/extent"),RasterBoundsArray=require("../data/raster_bounds_array"),Buffer=require("../data/buffer"),VertexArrayObject=require("../render/vertex_array_object"),ImageSource=function(t){function e(e,r,o,i){t.call(this),this.id=e,this.dispatcher=o,this.coordinates=r.coordinates,this.minzoom=0,this.maxzoom=22,this.tileSize=512,this.setEventedParent(i),this.fire("dataloading",{dataType:"source"}),this._load(r)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype._load=function(t){var e=this;this.url=t.url,ajax.getImage(t.url,function(t,r){return t?e.fire("error",{error:t}):(e.image=r,void e._finishLoading())})},e.prototype._finishLoading=function(){this.fire("source.load"),this.map&&this.setCoordinates(this.coordinates)},e.prototype.onAdd=function(t){this.map=t,this.image&&this.setCoordinates(this.coordinates)},e.prototype.setCoordinates=function(t){this.coordinates=t;var e=this.map,r=t.map(function(t){return e.transform.locationCoordinate(LngLat.convert(t)).zoomTo(0)}),o=this.centerCoord=util.getCoordinatesCenter(r);return o.column=Math.round(o.column),o.row=Math.round(o.row),this.minzoom=this.maxzoom=o.zoom,this.coord=new TileCoord(o.zoom,o.column,o.row),this._tileCoords=r.map(function(t){var e=t.zoomTo(o.zoom);return new Point(Math.round((e.column-o.column)*EXTENT),Math.round((e.row-o.row)*EXTENT))}),this.fire("data",{dataType:"source"}),this},e.prototype._setTile=function(t){this.tile=t;var e=32767,r=new RasterBoundsArray;r.emplaceBack(this._tileCoords[0].x,this._tileCoords[0].y,0,0),r.emplaceBack(this._tileCoords[1].x,this._tileCoords[1].y,e,0),r.emplaceBack(this._tileCoords[3].x,this._tileCoords[3].y,0,e),r.emplaceBack(this._tileCoords[2].x,this._tileCoords[2].y,e,e),this.tile.buckets={},this.tile.boundsBuffer=Buffer.fromStructArray(r,Buffer.BufferType.VERTEX),this.tile.boundsVAO=new VertexArrayObject},e.prototype.prepare=function(){this.tile&&this.image&&this._prepareImage(this.map.painter.gl,this.image)},e.prototype._prepareImage=function(t,e){"loaded"!==this.tile.state?(this.tile.state="loaded",this.tile.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,e)):e instanceof window.HTMLVideoElement&&(t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texSubImage2D(t.TEXTURE_2D,0,0,0,t.RGBA,t.UNSIGNED_BYTE,e))},e.prototype.loadTile=function(t,e){this.coord&&this.coord.toString()===t.coord.toString()?(this._setTile(t),e(null)):(t.state="errored",e(null))},e.prototype.serialize=function(){return{type:"image",urls:this.url,coordinates:this.coordinates}},e}(Evented);module.exports=ImageSource;
-},{"../data/buffer":8,"../data/extent":11,"../data/raster_bounds_array":16,"../geo/lng_lat":19,"../render/vertex_array_object":39,"../util/ajax":107,"../util/evented":116,"../util/util":127,"../util/window":110,"./tile_coord":51,"point-geometry":194}],44:[function(require,module,exports){
-"use strict";var util=require("../util/util"),ajax=require("../util/ajax"),browser=require("../util/browser"),normalizeURL=require("../util/mapbox").normalizeSourceURL;module.exports=function(r,e){var i=function(r,i){if(r)return e(r);var t=util.pick(i,["tiles","minzoom","maxzoom","attribution"]);i.vector_layers&&(t.vectorLayers=i.vector_layers,t.vectorLayerIds=t.vectorLayers.map(function(r){return r.id})),e(null,t)};r.url?ajax.getJSON(normalizeURL(r.url),i):browser.frame(i.bind(null,null,r))};
-},{"../util/ajax":107,"../util/browser":108,"../util/mapbox":123,"../util/util":127}],45:[function(require,module,exports){
-"use strict";var EXTENT=require("../data/extent");module.exports=function(e,t,r){return t*(EXTENT/(e.tileSize*Math.pow(2,r-e.coord.z)))};
-},{"../data/extent":11}],46:[function(require,module,exports){
-"use strict";function sortTilesIn(e,r){var o=e.coord,t=r.coord;return o.z-t.z||o.y-t.y||o.w-t.w||o.x-t.x}function mergeRenderedFeatureLayers(e){for(var r=e[0]||{},o=1;o<e.length;o++){var t=e[o];for(var n in t){var a=t[n],i=r[n];if(void 0===i)i=r[n]=a;else for(var u=0;u<a.length;u++)i.push(a[u])}}return r}var TileCoord=require("./tile_coord");exports.rendered=function(e,r,o,t,n,a){var i=e.tilesIn(o);i.sort(sortTilesIn);for(var u=[],s=0;s<i.length;s++){var d=i[s];d.tile.featureIndex&&u.push(d.tile.featureIndex.query({queryGeometry:d.queryGeometry,scale:d.scale,tileSize:d.tile.tileSize,bearing:a,params:t},r))}return mergeRenderedFeatureLayers(u)},exports.source=function(e,r){for(var o=e.getRenderableIds().map(function(r){return e.getTileByID(r)}),t=[],n={},a=0;a<o.length;a++){var i=o[a],u=new TileCoord(Math.min(i.sourceMaxZoom,i.coord.z),i.coord.x,i.coord.y,0).id;n[u]||(n[u]=!0,i.querySourceFeatures(t,r))}return t};
-},{"./tile_coord":51}],47:[function(require,module,exports){
-"use strict";var util=require("../util/util"),ajax=require("../util/ajax"),Evented=require("../util/evented"),loadTileJSON=require("./load_tilejson"),normalizeURL=require("../util/mapbox").normalizeTileURL,RasterTileSource=function(e){function t(t,i,r,a){var o=this;e.call(this),this.id=t,this.dispatcher=r,this.minzoom=0,this.maxzoom=22,this.roundZoom=!0,this.scheme="xyz",this.tileSize=512,this._loaded=!1,util.extend(this,util.pick(i,["url","scheme","tileSize"])),this.setEventedParent(a),this.fire("dataloading",{dataType:"source"}),loadTileJSON(i,function(e,t){return e?o.fire("error",e):(util.extend(o,t),o.fire("data",{dataType:"source"}),void o.fire("source.load"))})}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.onAdd=function(e){this.map=e},t.prototype.serialize=function(){return{type:"raster",url:this.url,tileSize:this.tileSize,tiles:this.tiles}},t.prototype.loadTile=function(e,t){function i(i,r){if(delete e.request,e.aborted)return this.state="unloaded",t(null);if(i)return this.state="errored",t(i);var a=this.map.painter.gl;e.texture=this.map.painter.getTileTexture(r.width),e.texture?(a.bindTexture(a.TEXTURE_2D,e.texture),a.texSubImage2D(a.TEXTURE_2D,0,0,0,a.RGBA,a.UNSIGNED_BYTE,r)):(e.texture=a.createTexture(),a.bindTexture(a.TEXTURE_2D,e.texture),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.LINEAR_MIPMAP_NEAREST),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,a.LINEAR),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),a.texImage2D(a.TEXTURE_2D,0,a.RGBA,a.RGBA,a.UNSIGNED_BYTE,r),e.texture.size=r.width),a.generateMipmap(a.TEXTURE_2D),e.state="loaded",t(null)}var r=normalizeURL(e.coord.url(this.tiles,null,this.scheme),this.url,this.tileSize);e.request=ajax.getImage(r,i.bind(this))},t.prototype.abortTile=function(e){e.request&&(e.request.abort(),delete e.request)},t.prototype.unloadTile=function(e){e.texture&&this.map.painter.saveTileTexture(e.texture)},t}(Evented);module.exports=RasterTileSource;
-},{"../util/ajax":107,"../util/evented":116,"../util/mapbox":123,"../util/util":127,"./load_tilejson":44}],48:[function(require,module,exports){
-"use strict";var util=require("../util/util"),sourceTypes={vector:require("../source/vector_tile_source"),raster:require("../source/raster_tile_source"),geojson:require("../source/geojson_source"),video:require("../source/video_source"),image:require("../source/image_source")};exports.create=function(e,r,o,t){if(r=new sourceTypes[r.type](e,r,o,t),r.setEventedParent(t),r.id!==e)throw new Error("Expected Source id to be "+e+" instead of "+r.id);return util.bindAll(["load","abort","unload","serialize","prepare"],r),r},exports.getType=function(e){return sourceTypes[e]},exports.setType=function(e,r){sourceTypes[e]=r};
-},{"../source/geojson_source":40,"../source/image_source":43,"../source/raster_tile_source":47,"../source/vector_tile_source":52,"../source/video_source":54,"../util/util":127}],49:[function(require,module,exports){
-"use strict";function coordinateToTilePoint(e,o,t){var r=t.zoomTo(Math.min(e.z,o));return{x:(r.column-(e.x+e.w*Math.pow(2,e.z)))*EXTENT,y:(r.row-e.y)*EXTENT}}function compareKeyZoom(e,o){return e%32-o%32}var Source=require("./source"),Tile=require("./tile"),Evented=require("../util/evented"),TileCoord=require("./tile_coord"),Cache=require("../util/lru_cache"),Coordinate=require("../geo/coordinate"),util=require("../util/util"),EXTENT=require("../data/extent"),SourceCache=function(e){function o(o,t,r){e.call(this),this.id=o,this.dispatcher=r,this._source=Source.create(o,t,r,this),this.on("source.load",function(){this.map&&this._source.onAdd&&this._source.onAdd(this.map),this._sourceLoaded=!0}),this.on("error",function(){this._sourceErrored=!0}),this.on("data",function(e){this._sourceLoaded&&"source"===e.dataType&&(this.reload(),this.transform&&this.update(this.transform))}),this._tiles={},this._cache=new Cache(0,this.unloadTile.bind(this)),this._isIdRenderable=this._isIdRenderable.bind(this)}return e&&(o.__proto__=e),o.prototype=Object.create(e&&e.prototype),o.prototype.constructor=o,o.prototype.onAdd=function(e){this.map=e,this._source&&this._source.onAdd&&this._source.onAdd(e)},o.prototype.onRemove=function(e){this._source&&this._source.onRemove&&this._source.onRemove(e)},o.prototype.loaded=function(){var e=this;if(this._sourceErrored)return!0;if(!this._sourceLoaded)return!1;for(var o in this._tiles){var t=e._tiles[o];if("loaded"!==t.state&&"errored"!==t.state)return!1}return!0},o.prototype.getSource=function(){return this._source},o.prototype.loadTile=function(e,o){return this._source.loadTile(e,o)},o.prototype.unloadTile=function(e){if(this._source.unloadTile)return this._source.unloadTile(e)},o.prototype.abortTile=function(e){if(this._source.abortTile)return this._source.abortTile(e)},o.prototype.serialize=function(){return this._source.serialize()},o.prototype.prepare=function(){if(this._sourceLoaded&&this._source.prepare)return this._source.prepare()},o.prototype.getIds=function(){return Object.keys(this._tiles).map(Number).sort(compareKeyZoom)},o.prototype.getRenderableIds=function(){return this.getIds().filter(this._isIdRenderable)},o.prototype._isIdRenderable=function(e){return this._tiles[e].hasData()&&!this._coveredTiles[e]},o.prototype.reload=function(){var e=this;this._cache.reset();for(var o in this._tiles){var t=e._tiles[o];"loading"!==t.state&&(t.state="reloading"),e.loadTile(e._tiles[o],e._tileLoaded.bind(e,e._tiles[o]))}},o.prototype._tileLoaded=function(e,o){return o?(e.state="errored",void this._source.fire("error",{tile:e,error:o})):(e.sourceCache=this,e.timeAdded=(new Date).getTime(),this._source.fire("data",{tile:e,coord:e.coord,dataType:"tile"}),void(this.map&&(this.map.painter.tileExtentVAO.vao=null)))},o.prototype.getTile=function(e){return this.getTileByID(e.id)},o.prototype.getTileByID=function(e){return this._tiles[e]},o.prototype.getZoom=function(e){return e.zoom+e.scaleZoom(e.tileSize/this._source.tileSize)},o.prototype.findLoadedChildren=function(e,o,t){var r=this,i=!1;for(var s in this._tiles){var a=r._tiles[s];if(!(t[s]||!a.hasData()||a.coord.z<=e.z||a.coord.z>o)){var n=Math.pow(2,Math.min(a.coord.z,r._source.maxzoom)-Math.min(e.z,r._source.maxzoom));if(Math.floor(a.coord.x/n)===e.x&&Math.floor(a.coord.y/n)===e.y)for(t[s]=!0,i=!0;a&&a.coord.z-1>e.z;){var d=a.coord.parent(r._source.maxzoom).id;a=r._tiles[d],a&&a.hasData()&&(delete t[s],t[d]=!0)}}}return i},o.prototype.findLoadedParent=function(e,o,t){for(var r=this,i=e.z-1;i>=o;i--){e=e.parent(r._source.maxzoom);var s=r._tiles[e.id];if(s&&s.hasData())return t[e.id]=!0,s;if(r._cache.has(e.id))return r.addTile(e),t[e.id]=!0,r._tiles[e.id]}},o.prototype.updateCacheSize=function(e){var o=Math.ceil(e.width/e.tileSize)+1,t=Math.ceil(e.height/e.tileSize)+1,r=o*t,i=5;this._cache.setMaxSize(Math.floor(r*i))},o.prototype.update=function(e){var t=this;if(this._sourceLoaded){var r,i,s;this.updateCacheSize(e);var a=(this._source.roundZoom?Math.round:Math.floor)(this.getZoom(e)),n=Math.max(a-o.maxOverzooming,this._source.minzoom),d=Math.max(a+o.maxUnderzooming,this._source.minzoom),c={};this._coveredTiles={};var h;for(h=this.used?this._source.coord?[this._source.coord]:e.coveringTiles({tileSize:this._source.tileSize,minzoom:this._source.minzoom,maxzoom:this._source.maxzoom,roundZoom:this._source.roundZoom,reparseOverscaled:this._source.reparseOverscaled}):[],r=0;r<h.length;r++)i=h[r],s=t.addTile(i),c[i.id]=!0,s.hasData()||t.findLoadedChildren(i,d,c)||t.findLoadedParent(i,n,c);for(var u={},l=Object.keys(c),p=0;p<l.length;p++){var _=l[p];i=TileCoord.fromID(_),s=t._tiles[_],s&&s.fadeEndTime>=Date.now()&&(t.findLoadedChildren(i,d,c)&&(c[_]=!0),t.findLoadedParent(i,n,u))}var m;for(m in u)c[m]||(t._coveredTiles[m]=!0);for(m in u)c[m]=!0;var f=util.keysDifference(this._tiles,c);for(r=0;r<f.length;r++)t.removeTile(+f[r]);this.transform=e}},o.prototype.addTile=function(e){var o=this._tiles[e.id];if(o)return o;var t=e.wrapped();if(o=this._tiles[t.id],o||(o=this._cache.get(t.id),o&&o.redoPlacement(this._source)),!o){var r=e.z,i=r>this._source.maxzoom?Math.pow(2,r-this._source.maxzoom):1;o=new Tile(t,this._source.tileSize*i,this._source.maxzoom),this.loadTile(o,this._tileLoaded.bind(this,o))}return o.uses++,this._tiles[e.id]=o,this._source.fire("dataloading",{tile:o,coord:o.coord,dataType:"tile"}),o},o.prototype.removeTile=function(e){var o=this._tiles[e];o&&(o.uses--,delete this._tiles[e],this._source.fire("data",{tile:o,coord:o.coord,dataType:"tile"}),o.uses>0||(o.hasData()?this._cache.add(o.coord.wrapped().id,o):(o.aborted=!0,this.abortTile(o),this.unloadTile(o))))},o.prototype.clearTiles=function(){var e=this;for(var o in this._tiles)e.removeTile(o);this._cache.reset()},o.prototype.tilesIn=function(e){for(var o=this,t={},r=this.getIds(),i=1/0,s=1/0,a=-(1/0),n=-(1/0),d=e[0].zoom,c=0;c<e.length;c++){var h=e[c];i=Math.min(i,h.column),s=Math.min(s,h.row),a=Math.max(a,h.column),n=Math.max(n,h.row)}for(var u=0;u<r.length;u++){var l=o._tiles[r[u]],p=TileCoord.fromID(r[u]),_=[coordinateToTilePoint(p,l.sourceMaxZoom,new Coordinate(i,s,d)),coordinateToTilePoint(p,l.sourceMaxZoom,new Coordinate(a,n,d))];if(_[0].x<EXTENT&&_[0].y<EXTENT&&_[1].x>=0&&_[1].y>=0){for(var m=[],f=0;f<e.length;f++)m.push(coordinateToTilePoint(p,l.sourceMaxZoom,e[f]));var v=t[l.coord.id];void 0===v&&(v=t[l.coord.id]={tile:l,coord:p,queryGeometry:[],scale:Math.pow(2,o.transform.zoom-l.coord.z)}),v.queryGeometry.push(m)}}var T=[];for(var y in t)T.push(t[y]);return T},o.prototype.redoPlacement=function(){for(var e=this,o=this.getIds(),t=0;t<o.length;t++){var r=e.getTileByID(o[t]);r.redoPlacement(e._source)}},o.prototype.getVisibleCoordinates=function(){for(var e=this,o=this.getRenderableIds().map(TileCoord.fromID),t=0,r=o;t<r.length;t+=1){var i=r[t];i.posMatrix=e.transform.calculatePosMatrix(i,e._source.maxzoom)}return o},o}(Evented);SourceCache.maxOverzooming=10,SourceCache.maxUnderzooming=3,module.exports=SourceCache;
-},{"../data/extent":11,"../geo/coordinate":18,"../util/evented":116,"../util/lru_cache":122,"../util/util":127,"./source":48,"./tile":50,"./tile_coord":51}],50:[function(require,module,exports){
-"use strict";var util=require("../util/util"),Bucket=require("../data/bucket"),FeatureIndex=require("../data/feature_index"),vt=require("vector-tile"),Protobuf=require("pbf"),GeoJSONFeature=require("../util/vectortile_to_geojson"),featureFilter=require("feature-filter"),CollisionTile=require("../symbol/collision_tile"),CollisionBoxArray=require("../symbol/collision_box"),SymbolInstancesArray=require("../symbol/symbol_instances"),SymbolQuadsArray=require("../symbol/symbol_quads"),Tile=function(e,t,i){this.coord=e,this.uid=util.uniqueId(),this.uses=0,this.tileSize=t,this.sourceMaxZoom=i,this.buckets={},this.state="loading"};Tile.prototype.registerFadeDuration=function(e,t){var i=t+this.timeAdded;i<Date.now()||this.fadeEndTime&&i<this.fadeEndTime||(this.fadeEndTime=i,e.set(this.fadeEndTime-Date.now()))},Tile.prototype.loadVectorData=function(e,t){this.hasData()&&this.unloadVectorData(t),this.state="loaded",e&&(e.rawTileData&&(this.rawTileData=e.rawTileData),this.collisionBoxArray=new CollisionBoxArray(e.collisionBoxArray),this.collisionTile=new CollisionTile(e.collisionTile,this.collisionBoxArray),this.symbolInstancesArray=new SymbolInstancesArray(e.symbolInstancesArray),this.symbolQuadsArray=new SymbolQuadsArray(e.symbolQuadsArray),this.featureIndex=new FeatureIndex(e.featureIndex,this.rawTileData,this.collisionTile),this.buckets=Bucket.deserialize(e.buckets,t.style))},Tile.prototype.reloadSymbolData=function(e,t){var i=this;if("unloaded"!==this.state){this.collisionTile=new CollisionTile(e.collisionTile,this.collisionBoxArray),this.featureIndex.setCollisionTile(this.collisionTile);for(var o in this.buckets){var s=i.buckets[o];"symbol"===s.type&&(s.destroy(),delete i.buckets[o])}util.extend(this.buckets,Bucket.deserialize(e.buckets,t))}},Tile.prototype.unloadVectorData=function(){var e=this;for(var t in this.buckets)e.buckets[t].destroy();this.buckets={},this.collisionBoxArray=null,this.symbolQuadsArray=null,this.symbolInstancesArray=null,this.collisionTile=null,this.featureIndex=null,this.state="unloaded"},Tile.prototype.redoPlacement=function(e){function t(t,i){this.reloadSymbolData(i,e.map.style),e.fire("data",{tile:this,coord:this.coord,dataType:"tile"}),e.map&&(e.map.painter.tileExtentVAO.vao=null),this.state="loaded",this.redoWhenDone&&(this.redoPlacement(e),this.redoWhenDone=!1)}if("vector"===e.type||"geojson"===e.type){if("loaded"!==this.state||"reloading"===this.state)return void(this.redoWhenDone=!0);this.state="reloading",e.dispatcher.send("redoPlacement",{type:e.type,uid:this.uid,source:e.id,angle:e.map.transform.angle,pitch:e.map.transform.pitch,showCollisionBoxes:e.map.showCollisionBoxes},t.bind(this),this.workerID)}},Tile.prototype.getBucket=function(e){return this.buckets[e.id]},Tile.prototype.querySourceFeatures=function(e,t){var i=this;if(this.rawTileData){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers);var o=this.vtLayers._geojsonTileLayer||this.vtLayers[t.sourceLayer];if(o)for(var s=featureFilter(t&&t.filter),r={z:this.coord.z,x:this.coord.x,y:this.coord.y},a=0;a<o.length;a++){var l=o.feature(a);if(s(l)){var n=new GeoJSONFeature(l,i.coord.z,i.coord.x,i.coord.y);n.tile=r,e.push(n)}}}},Tile.prototype.hasData=function(){return"loaded"===this.state||"reloading"===this.state},module.exports=Tile;
-},{"../data/bucket":2,"../data/feature_index":12,"../symbol/collision_box":76,"../symbol/collision_tile":78,"../symbol/symbol_instances":87,"../symbol/symbol_quads":88,"../util/util":127,"../util/vectortile_to_geojson":128,"feature-filter":135,"pbf":193,"vector-tile":204}],51:[function(require,module,exports){
-"use strict";function edge(t,i){if(t.row>i.row){var o=t;t=i,i=o}return{x0:t.column,y0:t.row,x1:i.column,y1:i.row,dx:i.column-t.column,dy:i.row-t.row}}function scanSpans(t,i,o,r,e){var n=Math.max(o,Math.floor(i.y0)),h=Math.min(r,Math.ceil(i.y1));if(t.x0===i.x0&&t.y0===i.y0?t.x0+i.dy/t.dy*t.dx<i.x1:t.x1-i.dy/t.dy*t.dx<i.x0){var s=t;t=i,i=s}for(var a=t.dx/t.dy,d=i.dx/i.dy,y=t.dx>0,l=i.dx<0,u=n;u<h;u++){var x=a*Math.max(0,Math.min(t.dy,u+y-t.y0))+t.x0,c=d*Math.max(0,Math.min(i.dy,u+l-i.y0))+i.x0;e(Math.floor(c),Math.ceil(x),u)}}function scanTriangle(t,i,o,r,e,n){var h,s=edge(t,i),a=edge(i,o),d=edge(o,t);s.dy>a.dy&&(h=s,s=a,a=h),s.dy>d.dy&&(h=s,s=d,d=h),a.dy>d.dy&&(h=a,a=d,d=h),s.dy&&scanSpans(d,s,r,e,n),a.dy&&scanSpans(d,a,r,e,n)}function getQuadkey(t,i,o){for(var r,e="",n=t;n>0;n--)r=1<<n-1,e+=(i&r?1:0)+(o&r?2:0);return e}var WhooTS=require("whoots-js"),Coordinate=require("../geo/coordinate"),TileCoord=function(t,i,o,r){isNaN(r)&&(r=0),this.z=+t,this.x=+i,this.y=+o,this.w=+r,r*=2,r<0&&(r=r*-1-1);var e=1<<this.z;this.id=32*(e*e*r+e*this.y+this.x)+this.z,this.posMatrix=null};TileCoord.prototype.toString=function(){return this.z+"/"+this.x+"/"+this.y},TileCoord.prototype.toCoordinate=function(t){var i=Math.min(this.z,void 0===t?this.z:t),o=Math.pow(2,i),r=this.y,e=this.x+o*this.w;return new Coordinate(e,r,i)},TileCoord.prototype.url=function(t,i,o){var r=WhooTS.getTileBBox(this.x,this.y,this.z),e=getQuadkey(this.z,this.x,this.y);return t[(this.x+this.y)%t.length].replace("{prefix}",(this.x%16).toString(16)+(this.y%16).toString(16)).replace("{z}",Math.min(this.z,i||this.z)).replace("{x}",this.x).replace("{y}","tms"===o?Math.pow(2,this.z)-this.y-1:this.y).replace("{quadkey}",e).replace("{bbox-epsg-3857}",r)},TileCoord.prototype.parent=function(t){return 0===this.z?null:this.z>t?new TileCoord(this.z-1,this.x,this.y,this.w):new TileCoord(this.z-1,Math.floor(this.x/2),Math.floor(this.y/2),this.w)},TileCoord.prototype.wrapped=function(){return new TileCoord(this.z,this.x,this.y,0)},TileCoord.prototype.children=function(t){if(this.z>=t)return[new TileCoord(this.z+1,this.x,this.y,this.w)];var i=this.z+1,o=2*this.x,r=2*this.y;return[new TileCoord(i,o,r,this.w),new TileCoord(i,o+1,r,this.w),new TileCoord(i,o,r+1,this.w),new TileCoord(i,o+1,r+1,this.w)]},TileCoord.cover=function(t,i,o){function r(t,i,r){var h,s,a;if(r>=0&&r<=e)for(h=t;h<i;h++)s=(h%e+e)%e,a=new TileCoord(o,s,r,Math.floor(h/e)),n[a.id]=a}var e=1<<t,n={};return scanTriangle(i[0],i[1],i[2],0,e,r),scanTriangle(i[2],i[3],i[0],0,e,r),Object.keys(n).map(function(t){return n[t]})},TileCoord.fromID=function(t){var i=t%32,o=1<<i,r=(t-i)/32,e=r%o,n=(r-e)/o%o,h=Math.floor(r/(o*o));return h%2!==0&&(h=h*-1-1),h/=2,new TileCoord(i,e,n,h)},module.exports=TileCoord;
-},{"../geo/coordinate":18,"whoots-js":213}],52:[function(require,module,exports){
-"use strict";var Evented=require("../util/evented"),util=require("../util/util"),loadTileJSON=require("./load_tilejson"),normalizeURL=require("../util/mapbox").normalizeTileURL,VectorTileSource=function(e){function t(t,i,o,r){var l=this;if(e.call(this),this.id=t,this.dispatcher=o,this.type="vector",this.minzoom=0,this.maxzoom=22,this.scheme="xyz",this.tileSize=512,this.reparseOverscaled=!0,this.isTileClipped=!0,util.extend(this,util.pick(i,["url","scheme","tileSize"])),this._options=util.extend({type:"vector"},i),512!==this.tileSize)throw new Error("vector tile sources must have a tileSize of 512");this.setEventedParent(r),this.fire("dataloading",{dataType:"source"}),loadTileJSON(i,function(e,t){return e?void l.fire("error",e):(util.extend(l,t),l.fire("data",{dataType:"source"}),void l.fire("source.load"))})}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.onAdd=function(e){this.map=e},t.prototype.serialize=function(){return util.extend({},this._options)},t.prototype.loadTile=function(e,t){function i(i,o){if(!e.aborted){if(i)return t(i);e.loadVectorData(o,this.map.painter),e.redoWhenDone&&(e.redoWhenDone=!1,e.redoPlacement(this)),t(null),e.reloadCallback&&(this.loadTile(e,e.reloadCallback),e.reloadCallback=null)}}var o=e.coord.z>this.maxzoom?Math.pow(2,e.coord.z-this.maxzoom):1,r={url:normalizeURL(e.coord.url(this.tiles,this.maxzoom,this.scheme),this.url),uid:e.uid,coord:e.coord,zoom:e.coord.z,tileSize:this.tileSize*o,type:this.type,source:this.id,overscaling:o,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};e.workerID?"loading"===e.state?e.reloadCallback=t:this.dispatcher.send("reloadTile",r,i.bind(this),e.workerID):e.workerID=this.dispatcher.send("loadTile",r,i.bind(this))},t.prototype.abortTile=function(e){this.dispatcher.send("abortTile",{uid:e.uid,type:this.type,source:this.id},null,e.workerID)},t.prototype.unloadTile=function(e){e.unloadVectorData(),this.dispatcher.send("removeTile",{uid:e.uid,type:this.type,source:this.id},null,e.workerID)},t}(Evented);module.exports=VectorTileSource;
-},{"../util/evented":116,"../util/mapbox":123,"../util/util":127,"./load_tilejson":44}],53:[function(require,module,exports){
-"use strict";var ajax=require("../util/ajax"),vt=require("vector-tile"),Protobuf=require("pbf"),WorkerTile=require("./worker_tile"),util=require("../util/util"),VectorTileWorkerSource=function(e,r,t){this.actor=e,this.layerIndex=r,t&&(this.loadVectorData=t),this.loading={},this.loaded={}};VectorTileWorkerSource.prototype.loadTile=function(e,r){function t(e,t){return delete this.loading[o][i],e?r(e):t?(a.vectorTile=t,a.parse(t,this.layerIndex,this.actor,function(e,o,i){return e?r(e):void r(null,util.extend({rawTileData:t.rawData},o),i)}),this.loaded[o]=this.loaded[o]||{},void(this.loaded[o][i]=a)):r(null,null)}var o=e.source,i=e.uid;this.loading[o]||(this.loading[o]={});var a=this.loading[o][i]=new WorkerTile(e);a.abort=this.loadVectorData(e,t.bind(this))},VectorTileWorkerSource.prototype.reloadTile=function(e,r){function t(e,t){if(this.reloadCallback){var o=this.reloadCallback;delete this.reloadCallback,this.parse(this.vectorTile,a.layerIndex,a.actor,o)}r(e,t)}var o=this.loaded[e.source],i=e.uid,a=this;if(o&&o[i]){var l=o[i];"parsing"===l.status?l.reloadCallback=r:"done"===l.status&&l.parse(l.vectorTile,this.layerIndex,this.actor,t.bind(l))}},VectorTileWorkerSource.prototype.abortTile=function(e){var r=this.loading[e.source],t=e.uid;r&&r[t]&&r[t].abort&&(r[t].abort(),delete r[t])},VectorTileWorkerSource.prototype.removeTile=function(e){var r=this.loaded[e.source],t=e.uid;r&&r[t]&&delete r[t]},VectorTileWorkerSource.prototype.loadVectorData=function(e,r){function t(e,t){if(e)return r(e);var o=new vt.VectorTile(new Protobuf(t));o.rawData=t,r(e,o)}var o=ajax.getArrayBuffer(e.url,t.bind(this));return function(){o.abort()}},VectorTileWorkerSource.prototype.redoPlacement=function(e,r){var t=this.loaded[e.source],o=this.loading[e.source],i=e.uid;if(t&&t[i]){var a=t[i],l=a.redoPlacement(e.angle,e.pitch,e.showCollisionBoxes);l.result&&r(null,l.result,l.transferables)}else o&&o[i]&&(o[i].angle=e.angle)},module.exports=VectorTileWorkerSource;
-},{"../util/ajax":107,"../util/util":127,"./worker_tile":56,"pbf":193,"vector-tile":204}],54:[function(require,module,exports){
-"use strict";var ajax=require("../util/ajax"),ImageSource=require("./image_source"),VideoSource=function(e){function t(t,o,i,r){e.call(this,t,o,i,r),this.roundZoom=!0}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype._load=function(e){var t=this;this.urls=e.urls,ajax.getVideo(e.urls,function(e,o){if(e)return t.fire("error",{error:e});t.video=o,t.video.loop=!0;var i;t.video.addEventListener("playing",function(){i=t.map.style.animationLoop.set(1/0),t.map._rerender()}),t.video.addEventListener("pause",function(){t.map.style.animationLoop.cancel(i)}),t.map&&t.video.play(),t._finishLoading()})},t.prototype.getVideo=function(){return this.video},t.prototype.onAdd=function(e){this.map||(this.map=e,this.video&&(this.video.play(),this.setCoordinates(this.coordinates)))},t.prototype.prepare=function(){!this.tile||this.video.readyState<2||this._prepareImage(this.map.painter.gl,this.video)},t.prototype.serialize=function(){return{type:"video",urls:this.urls,coordinates:this.coordinates}},t}(ImageSource);module.exports=VideoSource;
-},{"../util/ajax":107,"./image_source":43}],55:[function(require,module,exports){
-"use strict";var Actor=require("../util/actor"),StyleLayerIndex=require("../style/style_layer_index"),VectorTileWorkerSource=require("./vector_tile_worker_source"),GeoJSONWorkerSource=require("./geojson_worker_source"),Worker=function(e){var r=this;this.self=e,this.actor=new Actor(e,this),this.layerIndexes={},this.workerSourceTypes={vector:VectorTileWorkerSource,geojson:GeoJSONWorkerSource},this.workerSources={},this.self.registerWorkerSource=function(e,o){if(r.workerSourceTypes[e])throw new Error('Worker source with name "'+e+'" already registered.');r.workerSourceTypes[e]=o}};Worker.prototype.setLayers=function(e,r){this.getLayerIndex(e).replace(r)},Worker.prototype.updateLayers=function(e,r){this.getLayerIndex(e).update(r.layers,r.removedIds,r.symbolOrder)},Worker.prototype.loadTile=function(e,r,o){this.getWorkerSource(e,r.type).loadTile(r,o)},Worker.prototype.reloadTile=function(e,r,o){this.getWorkerSource(e,r.type).reloadTile(r,o)},Worker.prototype.abortTile=function(e,r){this.getWorkerSource(e,r.type).abortTile(r)},Worker.prototype.removeTile=function(e,r){this.getWorkerSource(e,r.type).removeTile(r)},Worker.prototype.removeSource=function(e,r){var o=this.getWorkerSource(e,r.type);void 0!==o.removeSource&&o.removeSource(r)},Worker.prototype.redoPlacement=function(e,r,o){this.getWorkerSource(e,r.type).redoPlacement(r,o)},Worker.prototype.loadWorkerSource=function(e,r,o){try{this.self.importScripts(r.url),o()}catch(e){o(e)}},Worker.prototype.getLayerIndex=function(e){var r=this.layerIndexes[e];return r||(r=this.layerIndexes[e]=new StyleLayerIndex),r},Worker.prototype.getWorkerSource=function(e,r){var o=this;if(this.workerSources[e]||(this.workerSources[e]={}),!this.workerSources[e][r]){var t={send:function(r,t,i,s){o.actor.send(r,t,i,s,e)}};this.workerSources[e][r]=new this.workerSourceTypes[r](t,this.getLayerIndex(e))}return this.workerSources[e][r]},module.exports=function(e){return new Worker(e)};
-},{"../style/style_layer_index":69,"../util/actor":106,"./geojson_worker_source":41,"./vector_tile_worker_source":53}],56:[function(require,module,exports){
-"use strict";function recalculateLayers(e,r){for(var i=0,s=e.layers;i<s.length;i+=1){var o=s[i];o.recalculate(r)}}function serializeBuckets(e,r){return e.filter(function(e){return!e.isEmpty()}).map(function(e){return e.serialize(r)})}var FeatureIndex=require("../data/feature_index"),CollisionTile=require("../symbol/collision_tile"),CollisionBoxArray=require("../symbol/collision_box"),DictionaryCoder=require("../util/dictionary_coder"),util=require("../util/util"),SymbolInstancesArray=require("../symbol/symbol_instances"),SymbolQuadsArray=require("../symbol/symbol_quads"),WorkerTile=function(e){this.coord=e.coord,this.uid=e.uid,this.zoom=e.zoom,this.tileSize=e.tileSize,this.source=e.source,this.overscaling=e.overscaling,this.angle=e.angle,this.pitch=e.pitch,this.showCollisionBoxes=e.showCollisionBoxes};WorkerTile.prototype.parse=function(e,r,i,s){var o=this;e.layers||(e={layers:{_geojsonTileLayer:e}}),this.status="parsing",this.data=e,this.collisionBoxArray=new CollisionBoxArray,this.symbolInstancesArray=new SymbolInstancesArray,this.symbolQuadsArray=new SymbolQuadsArray;var l=new DictionaryCoder(Object.keys(e.layers).sort()),t=new FeatureIndex(this.coord,this.overscaling);t.bucketLayerIDs={};var a={},n=0,c={featureIndex:t,iconDependencies:{},glyphDependencies:{}},u=r.familiesBySource[this.source];for(var y in u){var h=e.layers[y];if(h){1===h.version&&util.warnOnce('Vector tile source "'+o.source+'" layer "'+y+'" does not use vector tile spec v2 and therefore may have some rendering errors.');for(var m=l.encode(y),d=[],b=0;b<h.length;b++){var v=h.feature(b);v.index=b,v.sourceLayerIndex=m,d.push(v)}for(var f=0,p=u[y];f<p.length;f+=1){var g=p[f],x=g[0];if(!(x.minzoom&&o.zoom<x.minzoom||x.maxzoom&&o.zoom>=x.maxzoom||x.layout&&"none"===x.layout.visibility)){for(var z=0,A=g;z<A.length;z+=1){var B=A[z];B.recalculate(o.zoom)}var k=a[x.id]=x.createBucket({index:n,layers:g,zoom:o.zoom,overscaling:o.overscaling,collisionBoxArray:o.collisionBoxArray,symbolQuadsArray:o.symbolQuadsArray,symbolInstancesArray:o.symbolInstancesArray});k.populate(d,c),t.bucketLayerIDs[n]=g.map(function(e){return e.id}),n++}}}}var I=function(e){o.status="done";var r=[];s(null,{buckets:serializeBuckets(util.values(a),r),featureIndex:t.serialize(r),collisionTile:e.serialize(r),collisionBoxArray:o.collisionBoxArray.serialize(),symbolInstancesArray:o.symbolInstancesArray.serialize(),symbolQuadsArray:o.symbolQuadsArray.serialize()},r)};this.symbolBuckets=[];for(var w=r.symbolOrder.length-1;w>=0;w--){var C=a[r.symbolOrder[w]];C&&o.symbolBuckets.push(C)}if(0===this.symbolBuckets.length)return I(new CollisionTile(this.angle,this.pitch,this.collisionBoxArray));var T=0,q=Object.keys(c.iconDependencies),D=util.mapObject(c.glyphDependencies,function(e){return Object.keys(e).map(Number)}),O=function(e){if(e)return s(e);if(T++,2===T){for(var r=new CollisionTile(o.angle,o.pitch,o.collisionBoxArray),i=0,l=o.symbolBuckets;i<l.length;i+=1){var t=l[i];recalculateLayers(t,o.zoom),t.prepare(D,q),t.place(r,o.showCollisionBoxes)}I(r)}};Object.keys(D).length?i.send("getGlyphs",{uid:this.uid,stacks:D},function(e,r){D=r,O(e)}):O(),q.length?i.send("getIcons",{icons:q},function(e,r){q=r,O(e)}):O()},WorkerTile.prototype.redoPlacement=function(e,r,i){var s=this;if(this.angle=e,this.pitch=r,"done"!==this.status)return{};for(var o=new CollisionTile(this.angle,this.pitch,this.collisionBoxArray),l=0,t=this.symbolBuckets;l<t.length;l+=1){var a=t[l];recalculateLayers(a,s.zoom),a.place(o,i)}var n=[];return{result:{buckets:serializeBuckets(this.symbolBuckets,n),collisionTile:o.serialize(n)},transferables:n}},module.exports=WorkerTile;
-},{"../data/feature_index":12,"../symbol/collision_box":76,"../symbol/collision_tile":78,"../symbol/symbol_instances":87,"../symbol/symbol_quads":88,"../util/dictionary_coder":113,"../util/util":127}],57:[function(require,module,exports){
-"use strict";var AnimationLoop=function(){this.n=0,this.times=[]};AnimationLoop.prototype.stopped=function(){return this.times=this.times.filter(function(t){return t.time>=(new Date).getTime()}),!this.times.length},AnimationLoop.prototype.set=function(t){return this.times.push({id:this.n,time:t+(new Date).getTime()}),this.n++},AnimationLoop.prototype.cancel=function(t){this.times=this.times.filter(function(i){return i.id!==t})},module.exports=AnimationLoop;
-},{}],58:[function(require,module,exports){
-"use strict";var Evented=require("../util/evented"),ajax=require("../util/ajax"),browser=require("../util/browser"),normalizeURL=require("../util/mapbox").normalizeSpriteURL,SpritePosition=function(){this.x=0,this.y=0,this.width=0,this.height=0,this.pixelRatio=1,this.sdf=!1},ImageSprite=function(t){function i(i){var e=this;t.call(this),this.base=i,this.retina=browser.devicePixelRatio>1;var a=this.retina?"@2x":"";ajax.getJSON(normalizeURL(i,a,".json"),function(t,i){return t?void e.fire("error",{error:t}):(e.data=i,void(e.imgData&&e.fire("data",{dataType:"style"})))}),ajax.getImage(normalizeURL(i,a,".png"),function(t,i){if(t)return void e.fire("error",{error:t});e.imgData=browser.getImageData(i);for(var a=0;a<e.imgData.length;a+=4){var r=e.imgData[a+3]/255;e.imgData[a+0]*=r,e.imgData[a+1]*=r,e.imgData[a+2]*=r}e.width=i.width,e.data&&e.fire("data",{dataType:"style"})})}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.toJSON=function(){return this.base},i.prototype.loaded=function(){return!(!this.data||!this.imgData)},i.prototype.resize=function(){var t=this;if(browser.devicePixelRatio>1!==this.retina){var e=new i(this.base);e.on("data",function(){t.data=e.data,t.imgData=e.imgData,t.width=e.width,t.retina=e.retina})}},i.prototype.getSpritePosition=function(t){if(!this.loaded())return new SpritePosition;var i=this.data&&this.data[t];return i&&this.imgData?i:new SpritePosition},i}(Evented);module.exports=ImageSprite;
-},{"../util/ajax":107,"../util/browser":108,"../util/evented":116,"../util/mapbox":123}],59:[function(require,module,exports){
-"use strict";var styleSpec=require("./style_spec"),util=require("../util/util"),Evented=require("../util/evented"),validateStyle=require("./validate_style"),StyleDeclaration=require("./style_declaration"),StyleTransition=require("./style_transition"),TRANSITION_SUFFIX="-transition",Light=function(t){function i(i){t.call(this),this.properties=["anchor","color","position","intensity"],this._specifications=styleSpec.light,this.set(i)}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.set=function(t){var i=this;if(!this._validate(validateStyle.light,t)){this._declarations={},this._transitions={},this._transitionOptions={},this.calculated={},t=util.extend({anchor:this._specifications.anchor.default,color:this._specifications.color.default,position:this._specifications.position.default,intensity:this._specifications.intensity.default},t);for(var e=0,o=this.properties;e<o.length;e+=1){var n=o[e];i._declarations[n]=new StyleDeclaration(i._specifications[n],t[n])}return this}},i.prototype.getLight=function(){return{anchor:this.getLightProperty("anchor"),color:this.getLightProperty("color"),position:this.getLightProperty("position"),intensity:this.getLightProperty("intensity")}},i.prototype.getLightProperty=function(t){return util.endsWith(t,TRANSITION_SUFFIX)?this._transitionOptions[t]:this._declarations[t]&&this._declarations[t].value},i.prototype.getLightValue=function(t,i){if("position"===t){var e=this._transitions[t].calculate(i),o=util.sphericalToCartesian(e);return{x:o[0],y:o[1],z:o[2]}}return this._transitions[t].calculate(i)},i.prototype.setLight=function(t){var i=this;if(!this._validate(validateStyle.light,t))for(var e in t){var o=t[e];util.endsWith(e,TRANSITION_SUFFIX)?i._transitionOptions[e]=o:null===o||void 0===o?delete i._declarations[e]:i._declarations[e]=new StyleDeclaration(i._specifications[e],o)}},i.prototype.recalculate=function(t){var i=this;for(var e in this._declarations)i.calculated[e]=i.getLightValue(e,{zoom:t})},i.prototype._applyLightDeclaration=function(t,i,e,o,n){var r=e.transition?this._transitions[t]:void 0,a=this._specifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(a,a.default)),!r||r.declaration.json!==i.json){var s=util.extend({duration:300,delay:0},o,this.getLightProperty(t+TRANSITION_SUFFIX)),l=this._transitions[t]=new StyleTransition(a,i,r,s);l.instant()||(l.loopID=n.set(l.endTime-Date.now())),r&&n.cancel(r.loopID)}},i.prototype.updateLightTransitions=function(t,i,e){var o,n=this;for(o in this._declarations)n._applyLightDeclaration(o,n._declarations[o],t,i,e)},i.prototype._validate=function(t,i){return validateStyle.emitErrors(this,t.call(validateStyle,util.extend({value:i,style:{glyphs:!0,sprite:!0},styleSpec:styleSpec})))},i}(Evented);module.exports=Light;
-},{"../util/evented":116,"../util/util":127,"./style_declaration":62,"./style_spec":70,"./style_transition":71,"./validate_style":72}],60:[function(require,module,exports){
-"use strict";var parseColorString=require("csscolorparser").parseCSSColor,util=require("../util/util"),MapboxGLFunction=require("mapbox-gl-function"),cache={};module.exports=function r(o){if(o&&MapboxGLFunction.isFunctionDefinition(o))return o.stops?util.extend({},o,{stops:o.stops.map(function(o){return[o[0],r(o[1])]})}):o;if("string"==typeof o){if(!cache[o]){var i=parseColorString(o);if(!i)throw new Error("Invalid color "+o);cache[o]=[i[0]/255*i[3],i[1]/255*i[3],i[2]/255*i[3],i[3]]}return cache[o]}if(Array.isArray(o))return o;throw new Error("Invalid color "+o)};
-},{"../util/util":127,"csscolorparser":132,"mapbox-gl-function":161}],61:[function(require,module,exports){
-"use strict";var Evented=require("../util/evented"),StyleLayer=require("./style_layer"),ImageSprite=require("./image_sprite"),Light=require("./light"),GlyphSource=require("../symbol/glyph_source"),SpriteAtlas=require("../symbol/sprite_atlas"),LineAtlas=require("../render/line_atlas"),util=require("../util/util"),ajax=require("../util/ajax"),mapbox=require("../util/mapbox"),browser=require("../util/browser"),Dispatcher=require("../util/dispatcher"),AnimationLoop=require("./animation_loop"),validateStyle=require("./validate_style"),Source=require("../source/source"),QueryFeatures=require("../source/query_features"),SourceCache=require("../source/source_cache"),styleSpec=require("./style_spec"),MapboxGLFunction=require("mapbox-gl-function"),getWorkerPool=require("../global_worker_pool"),deref=require("mapbox-gl-style-spec/lib/deref"),diff=require("mapbox-gl-style-spec/lib/diff"),supportedDiffOperations=util.pick(diff.operations,["addLayer","removeLayer","setPaintProperty","setLayoutProperty","setFilter","addSource","removeSource","setLayerZoomRange","setLight","setTransition"]),ignoredDiffOperations=util.pick(diff.operations,["setCenter","setZoom","setBearing","setPitch"]),Style=function(e){function t(t,r,i){var s=this;e.call(this),this.map=r,this.animationLoop=r&&r.animationLoop||new AnimationLoop,this.dispatcher=new Dispatcher(getWorkerPool(),this),this.spriteAtlas=new SpriteAtlas(1024,1024),this.lineAtlas=new LineAtlas(256,512),this._layers={},this._order=[],this.sourceCaches={},this.zoomHistory={},this._loaded=!1,util.bindAll(["_redoPlacement"],this),this._resetUpdates(),i=util.extend({validate:"string"!=typeof t||!mapbox.isMapboxURL(t)},i),this.setEventedParent(r),this.fire("dataloading",{dataType:"style"});var o=function(e,t){if(e)return void s.fire("error",{error:e});if(!i.validate||!validateStyle.emitErrors(s,validateStyle(t))){s._loaded=!0,s.stylesheet=t,s.updateClasses();for(var r in t.sources)s.addSource(r,t.sources[r],i);t.sprite&&(s.sprite=new ImageSprite(t.sprite),s.sprite.setEventedParent(s)),s.glyphSource=new GlyphSource(t.glyphs),s._resolve(),s.fire("data",{dataType:"style"}),s.fire("style.load")}};"string"==typeof t?ajax.getJSON(mapbox.normalizeStyleURL(t),o):browser.frame(o.bind(this,null,t)),this.on("source.load",function(e){var t=s.sourceCaches[e.sourceId].getSource();if(t&&t.vectorLayerIds)for(var r in s._layers){var i=s._layers[r];i.source===t.id&&s._validateLayer(i)}})}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype._validateLayer=function(e){var t=this.sourceCaches[e.source];if(e.sourceLayer&&t){var r=t.getSource();r.vectorLayerIds&&r.vectorLayerIds.indexOf(e.sourceLayer)===-1&&this.fire("error",{error:new Error('Source layer "'+e.sourceLayer+'" does not exist on source "'+r.id+'" as specified by style layer "'+e.id+'"')})}},t.prototype.loaded=function(){var e=this;if(!this._loaded)return!1;if(Object.keys(this._updatedSources).length)return!1;for(var t in this.sourceCaches)if(!e.sourceCaches[t].loaded())return!1;return!(this.sprite&&!this.sprite.loaded())},t.prototype._resolve=function(){var e=this,t=deref(this.stylesheet.layers);this._order=t.map(function(e){return e.id}),this._layers={};for(var r=0,i=t;r<i.length;r+=1){var s=i[r];s=StyleLayer.create(s),s.setEventedParent(e,{layer:{id:s.id}}),e._layers[s.id]=s}this.dispatcher.broadcast("setLayers",this._serializeLayers(this._order)),this.light=new Light(this.stylesheet.light)},t.prototype._serializeLayers=function(e){var t=this;return e.map(function(e){return t._layers[e].serialize()})},t.prototype._applyClasses=function(e,t){var r=this;if(this._loaded){e=e||[],t=t||{transition:!0};var i=this.stylesheet.transition||{},s=this._updatedAllPaintProps?this._layers:this._updatedPaintProps;for(var o in s){var a=r._layers[o],n=r._updatedPaintProps[o];if(r._updatedAllPaintProps||n.all)a.updatePaintTransitions(e,t,i,r.animationLoop,r.zoomHistory);else for(var l in n)r._layers[o].updatePaintTransition(l,e,t,i,r.animationLoop,r.zoomHistory)}this.light.updateLightTransitions(t,i,this.animationLoop)}},t.prototype._recalculate=function(e){var t=this;if(this._loaded){for(var r in this.sourceCaches)t.sourceCaches[r].used=!1;this._updateZoomHistory(e);for(var i=0,s=this._order;i<s.length;i+=1){var o=s[i],a=t._layers[o];a.recalculate(e),!a.isHidden(e)&&a.source&&(t.sourceCaches[a.source].used=!0)}this.light.recalculate(e);var n=300;Math.floor(this.z)!==Math.floor(e)&&this.animationLoop.set(n),this.z=e}},t.prototype._updateZoomHistory=function(e){var t=this.zoomHistory;void 0===t.lastIntegerZoom&&(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=0,t.lastZoom=e),Math.floor(t.lastZoom)<Math.floor(e)?(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=Date.now()):Math.floor(t.lastZoom)>Math.floor(e)&&(t.lastIntegerZoom=Math.floor(e+1),t.lastIntegerZoomTime=Date.now()),t.lastZoom=e},t.prototype._checkLoaded=function(){if(!this._loaded)throw new Error("Style is not done loading")},t.prototype.update=function(e,t){var r=this;if(this._changed){var i=Object.keys(this._updatedLayers),s=Object.keys(this._removedLayers);(i.length||s.length||this._updatedSymbolOrder)&&this._updateWorkerLayers(i,s);for(var o in this._updatedSources){var a=r._updatedSources[o];"reload"===a?r._reloadSource(o):"clear"===a&&r._clearSource(o)}this._applyClasses(e,t),this._resetUpdates(),this.fire("data",{dataType:"style"})}},t.prototype._updateWorkerLayers=function(e,t){var r=this,i=this._updatedSymbolOrder?this._order.filter(function(e){return"symbol"===r._layers[e].type}):null;this.dispatcher.broadcast("updateLayers",{layers:this._serializeLayers(e),removedIds:t,symbolOrder:i})},t.prototype._resetUpdates=function(){this._changed=!1,this._updatedLayers={},this._removedLayers={},this._updatedSymbolOrder=!1,this._updatedSources={},this._updatedPaintProps={},this._updatedAllPaintProps=!1},t.prototype.setState=function(e){var t=this;if(this._checkLoaded(),validateStyle.emitErrors(this,validateStyle(e)))return!1;e=util.extend({},e),e.layers=deref(e.layers);var r=diff(this.serialize(),e).filter(function(e){return!(e.command in ignoredDiffOperations)});if(0===r.length)return!1;var i=r.filter(function(e){return!(e.command in supportedDiffOperations)});if(i.length>0)throw new Error("Unimplemented: "+i.map(function(e){return e.command}).join(", ")+".");return r.forEach(function(e){"setTransition"!==e.command&&t[e.command].apply(t,e.args)}),this.stylesheet=e,!0},t.prototype.addSource=function(e,t,r){if(this._checkLoaded(),void 0!==this.sourceCaches[e])throw new Error("There is already a source with this ID");if(!t.type)throw new Error("The type property must be defined, but the only the following properties were given: "+Object.keys(t)+".");var i=["vector","raster","geojson","video","image"],s=i.indexOf(t.type)>=0;if(!s||!this._validate(validateStyle.source,"sources."+e,t,null,r)){var o=this.sourceCaches[e]=new SourceCache(e,t,this.dispatcher);o.style=this,o.setEventedParent(this,function(){return{isSourceLoaded:o.loaded(),source:o.serialize(),sourceId:e}}),o.onAdd(this.map),this._changed=!0}},t.prototype.removeSource=function(e){if(this._checkLoaded(),void 0===this.sourceCaches[e])throw new Error("There is no source with this ID");var t=this.sourceCaches[e];delete this.sourceCaches[e],delete this._updatedSources[e],t.setEventedParent(null),t.clearTiles(),t.onRemove&&t.onRemove(this.map),this._changed=!0},t.prototype.getSource=function(e){return this.sourceCaches[e]&&this.sourceCaches[e].getSource()},t.prototype.addLayer=function(e,t,r){this._checkLoaded();var i=e.id;if(!this._validate(validateStyle.layer,"layers."+i,e,{arrayIndex:-1},r)){var s=StyleLayer.create(e);this._validateLayer(s),s.setEventedParent(this,{layer:{id:i}});var o=t?this._order.indexOf(t):this._order.length;this._order.splice(o,0,i),this._layers[i]=s,this._removedLayers[i]&&(delete this._removedLayers[i],this._updatedSources[s.source]="clear"),this._updateLayer(s),"symbol"===s.type&&(this._updatedSymbolOrder=!0),this.updateClasses(i)}},t.prototype.moveLayer=function(e,t){this._checkLoaded(),this._changed=!0;var r=this._layers[e];if(!r)throw new Error("Layer not found: "+e);var i=this._order.indexOf(e);this._order.splice(i,1);var s=t?this._order.indexOf(t):this._order.length;this._order.splice(s,0,e),"symbol"===r.type&&(this._updatedSymbolOrder=!0,r.source&&!this._updatedSources[r.source]&&(this._updatedSources[r.source]="reload"))},t.prototype.removeLayer=function(e){this._checkLoaded();var t=this._layers[e];if(!t)throw new Error("Layer not found: "+e);t.setEventedParent(null);var r=this._order.indexOf(e);this._order.splice(r,1),"symbol"===t.type&&(this._updatedSymbolOrder=!0),this._changed=!0,this._removedLayers[e]=!0,delete this._layers[e],delete this._updatedLayers[e],delete this._updatedPaintProps[e]},t.prototype.getLayer=function(e){return this._layers[e]},t.prototype.setLayerZoomRange=function(e,t,r){this._checkLoaded();var i=this.getLayer(e);i.minzoom===t&&i.maxzoom===r||(null!=t&&(i.minzoom=t),null!=r&&(i.maxzoom=r),this._updateLayer(i))},t.prototype.setFilter=function(e,t){this._checkLoaded();var r=this.getLayer(e);null!==t&&void 0!==t&&this._validate(validateStyle.filter,"layers."+r.id+".filter",t)||util.deepEqual(r.filter,t)||(r.filter=util.clone(t),this._updateLayer(r))},t.prototype.getFilter=function(e){return util.clone(this.getLayer(e).filter)},t.prototype.setLayoutProperty=function(e,t,r){this._checkLoaded();var i=this.getLayer(e);util.deepEqual(i.getLayoutProperty(t),r)||(i.setLayoutProperty(t,r),this._updateLayer(i))},t.prototype.getLayoutProperty=function(e,t){return this.getLayer(e).getLayoutProperty(t)},t.prototype.setPaintProperty=function(e,t,r,i){this._checkLoaded();var s=this.getLayer(e);if(!util.deepEqual(s.getPaintProperty(t,i),r)){var o=s.isPaintValueFeatureConstant(t);s.setPaintProperty(t,r,i);var a=!(r&&MapboxGLFunction.isFunctionDefinition(r)&&"$zoom"!==r.property&&void 0!==r.property);a&&o||this._updateLayer(s),this.updateClasses(e,t)}},t.prototype.getPaintProperty=function(e,t,r){return this.getLayer(e).getPaintProperty(t,r)},t.prototype.getTransition=function(){return util.extend({duration:300,delay:0},this.stylesheet&&this.stylesheet.transition)},t.prototype.updateClasses=function(e,t){if(this._changed=!0,e){var r=this._updatedPaintProps;r[e]||(r[e]={}),r[e][t||"all"]=!0}else this._updatedAllPaintProps=!0},t.prototype.serialize=function(){var e=this;return util.filterObject({version:this.stylesheet.version,name:this.stylesheet.name,metadata:this.stylesheet.metadata,light:this.stylesheet.light,center:this.stylesheet.center,zoom:this.stylesheet.zoom,bearing:this.stylesheet.bearing,pitch:this.stylesheet.pitch,sprite:this.stylesheet.sprite,glyphs:this.stylesheet.glyphs,transition:this.stylesheet.transition,sources:util.mapObject(this.sourceCaches,function(e){return e.serialize()}),layers:this._order.map(function(t){return e._layers[t].serialize()})},function(e){return void 0!==e})},t.prototype._updateLayer=function(e){this._updatedLayers[e.id]=!0,e.source&&!this._updatedSources[e.source]&&(this._updatedSources[e.source]="reload"),this._changed=!0},t.prototype._flattenRenderedFeatures=function(e){for(var t=this,r=[],i=this._order.length-1;i>=0;i--)for(var s=t._order[i],o=0,a=e;o<a.length;o+=1){var n=a[o],l=n[s];if(l)for(var h=0,u=l;h<u.length;h+=1){var d=u[h];r.push(d)}}return r},t.prototype.queryRenderedFeatures=function(e,t,r,i){var s=this;t&&t.filter&&this._validate(validateStyle.filter,"queryRenderedFeatures.filter",t.filter);var o={};if(t&&t.layers)for(var a=0,n=t.layers;a<n.length;a+=1){var l=n[a],h=s._layers[l];if(!h)return void s.fire("error",{error:"The layer '"+l+"' does not exist in the map's style and cannot be queried for features."});o[h.source]=!0}var u=[];for(var d in this.sourceCaches)if(!t.layers||o[d]){var c=QueryFeatures.rendered(s.sourceCaches[d],s._layers,e,t,r,i);u.push(c)}return this._flattenRenderedFeatures(u)},t.prototype.querySourceFeatures=function(e,t){t&&t.filter&&this._validate(validateStyle.filter,"querySourceFeatures.filter",t.filter);var r=this.sourceCaches[e];return r?QueryFeatures.source(r,t):[]},t.prototype.addSourceType=function(e,t,r){return Source.getType(e)?r(new Error('A source type called "'+e+'" already exists.')):(Source.setType(e,t),t.workerSourceURL?void this.dispatcher.broadcast("loadWorkerSource",{name:e,url:t.workerSourceURL},r):r(null,null))},t.prototype.getLight=function(){return this.light.getLight()},t.prototype.setLight=function(e,t){this._checkLoaded();var r=this.light.getLight(),i=!1;for(var s in e)if(!util.deepEqual(e[s],r[s])){i=!0;break}if(i){var o=this.stylesheet.transition||{};this.light.setLight(e),this.light.updateLightTransitions(t||{transition:!0},o,this.animationLoop)}},t.prototype._validate=function(e,t,r,i,s){return(!s||s.validate!==!1)&&validateStyle.emitErrors(this,e.call(validateStyle,util.extend({key:t,style:this.serialize(),value:r,styleSpec:styleSpec},i)))},t.prototype._remove=function(){var e=this;for(var t in this.sourceCaches)e.sourceCaches[t].clearTiles();this.dispatcher.remove()},t.prototype._clearSource=function(e){this.sourceCaches[e].clearTiles()},t.prototype._reloadSource=function(e){this.sourceCaches[e].reload()},t.prototype._updateSources=function(e){var t=this;for(var r in this.sourceCaches)t.sourceCaches[r].update(e)},t.prototype._redoPlacement=function(){var e=this;for(var t in this.sourceCaches)e.sourceCaches[t].redoPlacement()},t.prototype.getIcons=function(e,t,r){var i=this,s=function(){i.spriteAtlas.setSprite(i.sprite),i.spriteAtlas.addIcons(t.icons,r)};this.sprite.loaded()?s():this.sprite.on("data",s)},t.prototype.getGlyphs=function(e,t,r){function i(e,t,i){e&&console.error(e),n[i]=t,a--,0===a&&r(null,n)}var s=this,o=t.stacks,a=Object.keys(o).length,n={};for(var l in o)s.glyphSource.getSimpleGlyphs(l,o[l],t.uid,i)},t}(Evented);module.exports=Style;
-},{"../global_worker_pool":22,"../render/line_atlas":35,"../source/query_features":46,"../source/source":48,"../source/source_cache":49,"../symbol/glyph_source":81,"../symbol/sprite_atlas":86,"../util/ajax":107,"../util/browser":108,"../util/dispatcher":114,"../util/evented":116,"../util/mapbox":123,"../util/util":127,"./animation_loop":57,"./image_sprite":58,"./light":59,"./style_layer":63,"./style_spec":70,"./validate_style":72,"mapbox-gl-function":161,"mapbox-gl-style-spec/lib/deref":162,"mapbox-gl-style-spec/lib/diff":163}],62:[function(require,module,exports){
-"use strict";var MapboxGLFunction=require("mapbox-gl-function"),parseColor=require("./parse_color"),util=require("../util/util"),StyleDeclaration=function(t,o){var i=this;this.value=util.clone(o),this.isFunction=MapboxGLFunction.isFunctionDefinition(o),this.json=JSON.stringify(this.value),this.minimum=t.minimum,this.isColor="color"===t.type;var n=this.isColor&&this.value?parseColor(this.value):o,s=t.default;if(s&&"color"===t.type&&(s=parseColor(s)),this.function=MapboxGLFunction[t.function||"piecewise-constant"](n,s),this.isFeatureConstant=this.function.isFeatureConstant,this.isZoomConstant=this.function.isZoomConstant,!this.isFeatureConstant&&!this.isZoomConstant){this.stopZoomLevels=[];for(var e=[],a=0,r=this.value.stops;a<r.length;a+=1){var l=r[a],u=l[0].zoom;i.stopZoomLevels.indexOf(u)<0&&(i.stopZoomLevels.push(u),e.push([u,e.length]))}this.functionInterpolationT=MapboxGLFunction.interpolated({stops:e,base:o.base,colorSpace:o.colorSpace})}};StyleDeclaration.prototype.calculate=function(t,o){var i=this.function(t&&t.zoom,o||{});return this.isColor&&i?parseColor(i):void 0!==this.minimum&&i<this.minimum?this.minimum:i},StyleDeclaration.prototype.calculateInterpolationT=function(t,o){return this.functionInterpolationT(t&&t.zoom,o||{})},module.exports=StyleDeclaration;
-},{"../util/util":127,"./parse_color":60,"mapbox-gl-function":161}],63:[function(require,module,exports){
-"use strict";function getDeclarationValue(t){return t.value}var util=require("../util/util"),StyleTransition=require("./style_transition"),StyleDeclaration=require("./style_declaration"),styleSpec=require("./style_spec"),validateStyle=require("./validate_style"),parseColor=require("./parse_color"),Evented=require("../util/evented"),TRANSITION_SUFFIX="-transition",StyleLayer=function(t){function i(i){var a=this;t.call(this),this.id=i.id,this.metadata=i.metadata,this.type=i.type,this.source=i.source,this.sourceLayer=i["source-layer"],this.minzoom=i.minzoom,this.maxzoom=i.maxzoom,this.filter=i.filter,this.paint={},this.layout={},this._paintSpecifications=styleSpec["paint_"+this.type],this._layoutSpecifications=styleSpec["layout_"+this.type],this._paintTransitions={},this._paintTransitionOptions={},this._paintDeclarations={},this._layoutDeclarations={},this._layoutFunctions={};var e,n,o={validate:!1};for(var r in i){var s=r.match(/^paint(?:\.(.*))?$/);if(s){var l=s[1]||"";for(e in i[r])a.setPaintProperty(e,i[r][e],l,o)}}for(n in i.layout)a.setLayoutProperty(n,i.layout[n],o);for(e in this._paintSpecifications)a.paint[e]=a.getPaintValue(e);for(n in this._layoutSpecifications)a._updateLayoutValue(n)}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.setLayoutProperty=function(t,i,a){if(null==i)delete this._layoutDeclarations[t];else{var e="layers."+this.id+".layout."+t;if(this._validate(validateStyle.layoutProperty,e,t,i,a))return;this._layoutDeclarations[t]=new StyleDeclaration(this._layoutSpecifications[t],i)}this._updateLayoutValue(t)},i.prototype.getLayoutProperty=function(t){return this._layoutDeclarations[t]&&this._layoutDeclarations[t].value},i.prototype.getLayoutValue=function(t,i,a){var e=this._layoutSpecifications[t],n=this._layoutDeclarations[t];return n?n.calculate(i,a):e.default},i.prototype.setPaintProperty=function(t,i,a,e){var n="layers."+this.id+(a?'["paint.'+a+'"].':".paint.")+t;if(util.endsWith(t,TRANSITION_SUFFIX))if(this._paintTransitionOptions[a||""]||(this._paintTransitionOptions[a||""]={}),null===i||void 0===i)delete this._paintTransitionOptions[a||""][t];else{if(this._validate(validateStyle.paintProperty,n,t,i,e))return;this._paintTransitionOptions[a||""][t]=i}else if(this._paintDeclarations[a||""]||(this._paintDeclarations[a||""]={}),null===i||void 0===i)delete this._paintDeclarations[a||""][t];else{if(this._validate(validateStyle.paintProperty,n,t,i,e))return;this._paintDeclarations[a||""][t]=new StyleDeclaration(this._paintSpecifications[t],i)}},i.prototype.getPaintProperty=function(t,i){return i=i||"",util.endsWith(t,TRANSITION_SUFFIX)?this._paintTransitionOptions[i]&&this._paintTransitionOptions[i][t]:this._paintDeclarations[i]&&this._paintDeclarations[i][t]&&this._paintDeclarations[i][t].value},i.prototype.getPaintValue=function(t,i,a){var e=this._paintSpecifications[t],n=this._paintTransitions[t];return n?n.calculate(i,a):"color"===e.type&&e.default?parseColor(e.default):e.default},i.prototype.getPaintValueStopZoomLevels=function(t){var i=this._paintTransitions[t];return i?i.declaration.stopZoomLevels:[]},i.prototype.getPaintInterpolationT=function(t,i){var a=this._paintTransitions[t];return a.declaration.calculateInterpolationT(i)},i.prototype.isPaintValueFeatureConstant=function(t){var i=this._paintTransitions[t];return!i||i.declaration.isFeatureConstant},i.prototype.isLayoutValueFeatureConstant=function(t){var i=this._layoutDeclarations[t];return!i||i.isFeatureConstant},i.prototype.isPaintValueZoomConstant=function(t){var i=this._paintTransitions[t];return!i||i.declaration.isZoomConstant},i.prototype.isHidden=function(t){return!!(this.minzoom&&t<this.minzoom)||(!!(this.maxzoom&&t>=this.maxzoom)||"none"===this.layout.visibility)},i.prototype.updatePaintTransitions=function(t,i,a,e,n){for(var o=this,r=util.extend({},this._paintDeclarations[""]),s=0;s<t.length;s++)util.extend(r,o._paintDeclarations[t[s]]);var l;for(l in r)o._applyPaintDeclaration(l,r[l],i,a,e,n);for(l in this._paintTransitions)l in r||o._applyPaintDeclaration(l,null,i,a,e,n)},i.prototype.updatePaintTransition=function(t,i,a,e,n,o){for(var r=this,s=this._paintDeclarations[""][t],l=0;l<i.length;l++){var u=r._paintDeclarations[i[l]];u&&u[t]&&(s=u[t])}this._applyPaintDeclaration(t,s,a,e,n,o)},i.prototype.recalculate=function(t){var i=this;for(var a in this._paintTransitions)i.paint[a]=i.getPaintValue(a,{zoom:t});for(var e in this._layoutFunctions)i.layout[e]=i.getLayoutValue(e,{zoom:t})},i.prototype.serialize=function(){var t=this,i={id:this.id,type:this.type,source:this.source,"source-layer":this.sourceLayer,metadata:this.metadata,minzoom:this.minzoom,maxzoom:this.maxzoom,filter:this.filter,layout:util.mapObject(this._layoutDeclarations,getDeclarationValue)};for(var a in this._paintDeclarations){var e=""===a?"paint":"paint."+a;i[e]=util.mapObject(t._paintDeclarations[a],getDeclarationValue)}return util.filterObject(i,function(t,i){return void 0!==t&&!("layout"===i&&!Object.keys(t).length)})},i.prototype._applyPaintDeclaration=function(t,i,a,e,n,o){var r=a.transition?this._paintTransitions[t]:void 0,s=this._paintSpecifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(s,s.default)),!r||r.declaration.json!==i.json){var l=util.extend({duration:300,delay:0},e,this.getPaintProperty(t+TRANSITION_SUFFIX)),u=this._paintTransitions[t]=new StyleTransition(s,i,r,l,o);u.instant()||(u.loopID=n.set(u.endTime-Date.now())),r&&n.cancel(r.loopID)}},i.prototype._updateLayoutValue=function(t){var i=this._layoutDeclarations[t];i&&i.isFunction?this._layoutFunctions[t]=!0:(delete this._layoutFunctions[t],this.layout[t]=this.getLayoutValue(t))},i.prototype._validate=function(t,i,a,e,n){return(!n||n.validate!==!1)&&validateStyle.emitErrors(this,t.call(validateStyle,{key:i,layerType:this.type,objectKey:a,value:e,styleSpec:styleSpec,style:{glyphs:!0,sprite:!0}}))},i}(Evented);module.exports=StyleLayer;var subclasses={circle:require("./style_layer/circle_style_layer"),fill:require("./style_layer/fill_style_layer"),"fill-extrusion":require("./style_layer/fill_extrusion_style_layer"),line:require("./style_layer/line_style_layer"),symbol:require("./style_layer/symbol_style_layer")};StyleLayer.create=function(t){var i=subclasses[t.type]||StyleLayer;return new i(t)};
-},{"../util/evented":116,"../util/util":127,"./parse_color":60,"./style_declaration":62,"./style_layer/circle_style_layer":64,"./style_layer/fill_extrusion_style_layer":65,"./style_layer/fill_style_layer":66,"./style_layer/line_style_layer":67,"./style_layer/symbol_style_layer":68,"./style_spec":70,"./style_transition":71,"./validate_style":72}],64:[function(require,module,exports){
-"use strict";var StyleLayer=require("../style_layer"),CircleBucket=require("../../data/bucket/circle_bucket"),CircleStyleLayer=function(e){function t(){e.apply(this,arguments)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.createBucket=function(e){return new CircleBucket(e)},t}(StyleLayer);module.exports=CircleStyleLayer;
-},{"../../data/bucket/circle_bucket":3,"../style_layer":63}],65:[function(require,module,exports){
-"use strict";var StyleLayer=require("../style_layer"),FillExtrusionBucket=require("../../data/bucket/fill_extrusion_bucket"),FillExtrusionStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getPaintValue=function(e,r,o){var l=t.prototype.getPaintValue.call(this,e,r,o);return"fill-extrusion-color"===e&&l&&(l[3]=1),l},e.prototype.createBucket=function(t){return new FillExtrusionBucket(t)},e}(StyleLayer);module.exports=FillExtrusionStyleLayer;
-},{"../../data/bucket/fill_extrusion_bucket":5,"../style_layer":63}],66:[function(require,module,exports){
-"use strict";var StyleLayer=require("../style_layer"),FillBucket=require("../../data/bucket/fill_bucket"),FillStyleLayer=function(t){function o(){t.apply(this,arguments)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.getPaintValue=function(o,l,e){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintValue.call(this,"fill-color",l,e):t.prototype.getPaintValue.call(this,o,l,e)},o.prototype.getPaintValueStopZoomLevels=function(o){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintValueStopZoomLevels.call(this,"fill-color"):t.prototype.getPaintValueStopZoomLevels.call(this,o)},o.prototype.getPaintInterpolationT=function(o,l){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintInterpolationT.call(this,"fill-color",l):t.prototype.getPaintInterpolationT.call(this,o,l)},o.prototype.isPaintValueFeatureConstant=function(o){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.isPaintValueFeatureConstant.call(this,"fill-color"):t.prototype.isPaintValueFeatureConstant.call(this,o)},o.prototype.isPaintValueZoomConstant=function(o){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.isPaintValueZoomConstant.call(this,"fill-color"):t.prototype.isPaintValueZoomConstant.call(this,o)},o.prototype.createBucket=function(t){return new FillBucket(t)},o}(StyleLayer);module.exports=FillStyleLayer;
-},{"../../data/bucket/fill_bucket":4,"../style_layer":63}],67:[function(require,module,exports){
-"use strict";var StyleLayer=require("../style_layer"),LineBucket=require("../../data/bucket/line_bucket"),util=require("../../util/util"),LineStyleLayer=function(e){function t(){e.apply(this,arguments)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.getPaintValue=function(t,r,o){var i=e.prototype.getPaintValue.call(this,t,r,o);if(i&&"line-dasharray"===t){var a=this.getPaintValue("line-width",util.extend({},r,{zoom:Math.floor(r.zoom)}),o);i.fromScale*=a,i.toScale*=a}return i},t.prototype.createBucket=function(e){return new LineBucket(e)},t}(StyleLayer);module.exports=LineStyleLayer;
-},{"../../data/bucket/line_bucket":6,"../../util/util":127,"../style_layer":63}],68:[function(require,module,exports){
-"use strict";var StyleLayer=require("../style_layer"),SymbolBucket=require("../../data/bucket/symbol_bucket"),SymbolStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getLayoutValue=function(e,o,r){var a=t.prototype.getLayoutValue.call(this,e,o,r);if("auto"!==a)return a;switch(e){case"text-rotation-alignment":case"icon-rotation-alignment":return"line"===this.getLayoutValue("symbol-placement",o,r)?"map":"viewport";case"text-pitch-alignment":return this.getLayoutValue("text-rotation-alignment",o,r);default:return a}},e.prototype.createBucket=function(t){return new SymbolBucket(t)},e}(StyleLayer);module.exports=SymbolStyleLayer;
-},{"../../data/bucket/symbol_bucket":7,"../style_layer":63}],69:[function(require,module,exports){
-"use strict";var StyleLayer=require("./style_layer"),util=require("../util/util"),featureFilter=require("feature-filter"),groupByLayout=require("mapbox-gl-style-spec/lib/group_by_layout"),StyleLayerIndex=function(e){e&&this.replace(e)};StyleLayerIndex.prototype.replace=function(e){var r=this;this.symbolOrder=[];for(var t=0,a=e;t<a.length;t+=1){var i=a[t];"symbol"===i.type&&r.symbolOrder.push(i.id)}this._layers={},this.update(e,[])},StyleLayerIndex.prototype.update=function(e,r,t){for(var a=this,i=0,l=e;i<l.length;i+=1){var y=l[i];a._layers[y.id]=y}for(var o=0,u=r;o<u.length;o+=1){var s=u[o];delete a._layers[s]}t&&(this.symbolOrder=t),this.familiesBySource={};for(var n=groupByLayout(util.values(this._layers)),p=0,f=n;p<f.length;p+=1){var h=f[p];h=h.map(function(e){return e=StyleLayer.create(e),e.updatePaintTransitions({},{transition:!1}),e.filter=featureFilter(e.filter),e});var v=h[0];if(!v.layout||"none"!==v.layout.visibility){var c=v.source||"",d=a.familiesBySource[c];d||(d=a.familiesBySource[c]={});var m=v.sourceLayer||"_geojsonTileLayer",L=d[m];L||(L=d[m]=[]),L.push(h)}}},module.exports=StyleLayerIndex;
-},{"../util/util":127,"./style_layer":63,"feature-filter":135,"mapbox-gl-style-spec/lib/group_by_layout":165}],70:[function(require,module,exports){
-"use strict";module.exports=require("mapbox-gl-style-spec/reference/latest.min");
-},{"mapbox-gl-style-spec/reference/latest.min":188}],71:[function(require,module,exports){
-"use strict";function interpZoomTransitioned(t,i,o){if(void 0!==t&&void 0!==i)return{from:t.to,fromScale:t.toScale,to:i.to,toScale:i.toScale,t:o}}var util=require("../util/util"),interpolate=require("../util/interpolate"),fakeZoomHistory={lastIntegerZoom:0,lastIntegerZoomTime:0,lastZoom:0},StyleTransition=function(t,i,o,e,a){this.declaration=i,this.startTime=this.endTime=(new Date).getTime(),this.oldTransition=o,this.duration=e.duration||0,this.delay=e.delay||0,this.zoomTransitioned="piecewise-constant"===t.function&&t.transition,this.interp=this.zoomTransitioned?interpZoomTransitioned:interpolate[t.type],this.zoomHistory=a||fakeZoomHistory,this.instant()||(this.endTime=this.startTime+this.duration+this.delay),o&&o.endTime<=this.startTime&&delete o.oldTransition};StyleTransition.prototype.instant=function(){return!this.oldTransition||!this.interp||0===this.duration&&0===this.delay},StyleTransition.prototype.calculate=function(t,i,o){var e=this._calculateTargetValue(t,i);if(this.instant())return e;if(o=o||Date.now(),o>=this.endTime)return e;var a=this.oldTransition.calculate(t,i,this.startTime),n=util.easeCubicInOut((o-this.startTime-this.delay)/this.duration);return this.interp(a,e,n)},StyleTransition.prototype._calculateTargetValue=function(t,i){if(!this.zoomTransitioned)return this.declaration.calculate(t,i);var o=t.zoom,e=this.zoomHistory.lastIntegerZoom,a=o>e?2:.5,n=this.declaration.calculate({zoom:o>e?o-1:o+1},i),r=this.declaration.calculate({zoom:o},i),s=Math.min((Date.now()-this.zoomHistory.lastIntegerZoomTime)/this.duration,1),l=Math.abs(o-e),u=interpolate(s,1,l);return void 0!==n&&void 0!==r?{from:n,fromScale:a,to:r,toScale:1,t:u}:void 0},module.exports=StyleTransition;
-},{"../util/interpolate":119,"../util/util":127}],72:[function(require,module,exports){
-"use strict";module.exports=require("mapbox-gl-style-spec/lib/validate_style.min"),module.exports.emitErrors=function(r,e){if(e&&e.length){for(var t=0;t<e.length;t++)r.fire("error",{error:new Error(e[t].message)});return!0}return!1};
-},{"mapbox-gl-style-spec/lib/validate_style.min":187}],73:[function(require,module,exports){
-"use strict";var Point=require("point-geometry"),Anchor=function(t){function o(o,e,n,r){t.call(this,o,e),this.angle=n,void 0!==r&&(this.segment=r)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.clone=function(){return new o(this.x,this.y,this.angle,this.segment)},o}(Point);module.exports=Anchor;
-},{"point-geometry":194}],74:[function(require,module,exports){
-"use strict";function checkMaxAngle(e,t,a,r,n){if(void 0===t.segment)return!0;for(var i=t,s=t.segment+1,f=0;f>-a/2;){if(s--,s<0)return!1;f-=e[s].dist(i),i=e[s]}f+=e[s].dist(e[s+1]),s++;for(var l=[],o=0;f<a/2;){var u=e[s-1],c=e[s],g=e[s+1];if(!g)return!1;var h=u.angleTo(c)-c.angleTo(g);for(h=Math.abs((h+3*Math.PI)%(2*Math.PI)-Math.PI),l.push({distance:f,angleDelta:h}),o+=h;f-l[0].distance>r;)o-=l.shift().angleDelta;if(o>n)return!1;s++,f+=c.dist(g)}return!0}module.exports=checkMaxAngle;
-},{}],75:[function(require,module,exports){
-"use strict";function clipLine(n,x,y,o,e){for(var r=[],t=0;t<n.length;t++)for(var i,u=n[t],d=0;d<u.length-1;d++){var P=u[d],w=u[d+1];P.x<x&&w.x<x||(P.x<x?P=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round():w.x<x&&(w=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round()),P.y<y&&w.y<y||(P.y<y?P=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round():w.y<y&&(w=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round()),P.x>=o&&w.x>=o||(P.x>=o?P=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round():w.x>=o&&(w=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round()),P.y>=e&&w.y>=e||(P.y>=e?P=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round():w.y>=e&&(w=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round()),i&&P.equals(i[i.length-1])||(i=[P],r.push(i)),i.push(w)))))}return r}var Point=require("point-geometry");module.exports=clipLine;
-},{"point-geometry":194}],76:[function(require,module,exports){
-"use strict";var createStructArrayType=require("../util/struct_array"),Point=require("point-geometry"),CollisionBoxArray=createStructArrayType({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int16",name:"x1"},{type:"Int16",name:"y1"},{type:"Int16",name:"x2"},{type:"Int16",name:"y2"},{type:"Float32",name:"maxScale"},{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"},{type:"Int16",name:"bbox0"},{type:"Int16",name:"bbox1"},{type:"Int16",name:"bbox2"},{type:"Int16",name:"bbox3"},{type:"Float32",name:"placementScale"}]});Object.defineProperty(CollisionBoxArray.prototype.StructType.prototype,"anchorPoint",{get:function(){return new Point(this.anchorPointX,this.anchorPointY)}}),module.exports=CollisionBoxArray;
-},{"../util/struct_array":125,"point-geometry":194}],77:[function(require,module,exports){
-"use strict";var CollisionFeature=function(t,e,i,o,s,a,n,r,l,d,u){var h=n.top*r-l,x=n.bottom*r+l,f=n.left*r-l,m=n.right*r+l;if(this.boxStartIndex=t.length,d){var _=x-h,b=m-f;if(_>0)if(_=Math.max(10*r,_),u){var v=e[i.segment+1].sub(e[i.segment])._unit()._mult(b),c=[i.sub(v),i.add(v)];this._addLineCollisionBoxes(t,c,i,0,b,_,o,s,a)}else this._addLineCollisionBoxes(t,e,i,i.segment,b,_,o,s,a)}else t.emplaceBack(i.x,i.y,f,h,m,x,1/0,o,s,a,0,0,0,0,0);this.boxEndIndex=t.length};CollisionFeature.prototype._addLineCollisionBoxes=function(t,e,i,o,s,a,n,r,l){var d=a/2,u=Math.floor(s/d),h=-a/2,x=this.boxes,f=i,m=o+1,_=h;do{if(m--,m<0)return x;_-=e[m].dist(f),f=e[m]}while(_>-s/2);for(var b=e[m].dist(e[m+1]),v=0;v<u;v++){for(var c=-s/2+v*d;_+b<c;){if(_+=b,m++,m+1>=e.length)return x;b=e[m].dist(e[m+1])}var g=c-_,p=e[m],C=e[m+1],B=C.sub(p)._unit()._mult(g)._add(p)._round(),M=Math.max(Math.abs(c-h)-d/2,0),y=s/2/M;t.emplaceBack(B.x,B.y,-a/2,-a/2,a/2,a/2,y,n,r,l,0,0,0,0,0)}return x},module.exports=CollisionFeature;
-},{}],78:[function(require,module,exports){
-"use strict";var Point=require("point-geometry"),EXTENT=require("../data/extent"),Grid=require("grid-index"),intersectionTests=require("../util/intersection_tests"),CollisionTile=function(t,e,i){if("object"==typeof t){var r=t;i=e,t=r.angle,e=r.pitch,this.grid=new Grid(r.grid),this.ignoredGrid=new Grid(r.ignoredGrid)}else this.grid=new Grid(EXTENT,12,6),this.ignoredGrid=new Grid(EXTENT,12,0);this.minScale=.5,this.maxScale=2,this.angle=t,this.pitch=e;var a=Math.sin(t),o=Math.cos(t);if(this.rotationMatrix=[o,-a,a,o],this.reverseRotationMatrix=[o,a,-a,o],this.yStretch=1/Math.cos(e/180*Math.PI),this.yStretch=Math.pow(this.yStretch,1.3),this.collisionBoxArray=i,0===i.length){i.emplaceBack();var n=32767;i.emplaceBack(0,0,0,-n,0,n,n,0,0,0,0,0,0,0,0,0),i.emplaceBack(EXTENT,0,0,-n,0,n,n,0,0,0,0,0,0,0,0,0),i.emplaceBack(0,0,-n,0,n,0,n,0,0,0,0,0,0,0,0,0),i.emplaceBack(0,EXTENT,-n,0,n,0,n,0,0,0,0,0,0,0,0,0)}this.tempCollisionBox=i.get(0),this.edges=[i.get(1),i.get(2),i.get(3),i.get(4)]};CollisionTile.prototype.serialize=function(t){var e=this.grid.toArrayBuffer(),i=this.ignoredGrid.toArrayBuffer();return t&&(t.push(e),t.push(i)),{angle:this.angle,pitch:this.pitch,grid:e,ignoredGrid:i}},CollisionTile.prototype.placeCollisionFeature=function(t,e,i){for(var r=this,a=this.collisionBoxArray,o=this.minScale,n=this.rotationMatrix,l=this.yStretch,h=t.boxStartIndex;h<t.boxEndIndex;h++){var s=a.get(h),x=s.anchorPoint._matMult(n),c=x.x,g=x.y,y=c+s.x1,d=g+s.y1*l,m=c+s.x2,u=g+s.y2*l;if(s.bbox0=y,s.bbox1=d,s.bbox2=m,s.bbox3=u,!e)for(var p=r.grid.query(y,d,m,u),M=0;M<p.length;M++){var f=a.get(p[M]),v=f.anchorPoint._matMult(n);if(o=r.getPlacementScale(o,x,s,v,f),o>=r.maxScale)return o}if(i){var S;if(r.angle){var P=r.reverseRotationMatrix,b=new Point(s.x1,s.y1).matMult(P),T=new Point(s.x2,s.y1).matMult(P),w=new Point(s.x1,s.y2).matMult(P),N=new Point(s.x2,s.y2).matMult(P);S=r.tempCollisionBox,S.anchorPointX=s.anchorPoint.x,S.anchorPointY=s.anchorPoint.y,S.x1=Math.min(b.x,T.x,w.x,N.x),S.y1=Math.min(b.y,T.x,w.x,N.x),S.x2=Math.max(b.x,T.x,w.x,N.x),S.y2=Math.max(b.y,T.x,w.x,N.x),S.maxScale=s.maxScale}else S=s;for(var B=0;B<this.edges.length;B++){var G=r.edges[B];if(o=r.getPlacementScale(o,s.anchorPoint,S,G.anchorPoint,G),o>=r.maxScale)return o}}}return o},CollisionTile.prototype.queryRenderedSymbols=function(t,e){var i={},r=[];if(0===t.length||0===this.grid.length&&0===this.ignoredGrid.length)return r;for(var a=this.collisionBoxArray,o=this.rotationMatrix,n=this.yStretch,l=[],h=1/0,s=1/0,x=-(1/0),c=-(1/0),g=0;g<t.length;g++)for(var y=t[g],d=0;d<y.length;d++){var m=y[d].matMult(o);h=Math.min(h,m.x),s=Math.min(s,m.y),x=Math.max(x,m.x),c=Math.max(c,m.y),l.push(m)}for(var u=this.grid.query(h,s,x,c),p=this.ignoredGrid.query(h,s,x,c),M=0;M<p.length;M++)u.push(p[M]);for(var f=Math.pow(2,Math.ceil(Math.log(e)/Math.LN2*10)/10),v=0;v<u.length;v++){var S=a.get(u[v]),P=S.sourceLayerIndex,b=S.featureIndex;if(void 0===i[P]&&(i[P]={}),!i[P][b]&&!(f<S.placementScale||f>S.maxScale)){var T=S.anchorPoint.matMult(o),w=T.x+S.x1/e,N=T.y+S.y1/e*n,B=T.x+S.x2/e,G=T.y+S.y2/e*n,E=[new Point(w,N),new Point(B,N),new Point(B,G),new Point(w,G)];intersectionTests.polygonIntersectsPolygon(l,E)&&(i[P][b]=!0,r.push(u[v]))}}return r},CollisionTile.prototype.getPlacementScale=function(t,e,i,r,a){var o=e.x-r.x,n=e.y-r.y,l=(a.x1-i.x2)/o,h=(a.x2-i.x1)/o,s=(a.y1-i.y2)*this.yStretch/n,x=(a.y2-i.y1)*this.yStretch/n;(isNaN(l)||isNaN(h))&&(l=h=1),(isNaN(s)||isNaN(x))&&(s=x=1);var c=Math.min(Math.max(l,h),Math.max(s,x)),g=a.maxScale,y=i.maxScale;return c>g&&(c=g),c>y&&(c=y),c>t&&c>=a.placementScale&&(t=c),t},CollisionTile.prototype.insertCollisionFeature=function(t,e,i){for(var r=this,a=i?this.ignoredGrid:this.grid,o=this.collisionBoxArray,n=t.boxStartIndex;n<t.boxEndIndex;n++){var l=o.get(n);l.placementScale=e,e<r.maxScale&&a.insert(n,l.bbox0,l.bbox1,l.bbox2,l.bbox3)}},module.exports=CollisionTile;
-},{"../data/extent":11,"../util/intersection_tests":120,"grid-index":146,"point-geometry":194}],79:[function(require,module,exports){
-"use strict";function getAnchors(e,r,t,n,a,l,o,i,h){var c=n?.6*l*o:0,s=Math.max(n?n.right-n.left:0,a?a.right-a.left:0),u=0===e[0].x||e[0].x===h||0===e[0].y||e[0].y===h;r-s*o<r/4&&(r=s*o+r/4);var g=2*l,p=u?r/2*i%r:(s/2+g)*o*i%r;return resample(e,p,r,c,t,s*o,u,!1,h)}function resample(e,r,t,n,a,l,o,i,h){for(var c=l/2,s=0,u=0;u<e.length-1;u++)s+=e[u].dist(e[u+1]);for(var g=0,p=r-t,x=[],f=0;f<e.length-1;f++){for(var v=e[f],m=e[f+1],A=v.dist(m),y=m.angleTo(v);p+t<g+A;){p+=t;var d=(p-g)/A,k=interpolate(v.x,m.x,d),q=interpolate(v.y,m.y,d);if(k>=0&&k<h&&q>=0&&q<h&&p-c>=0&&p+c<=s){var M=new Anchor(k,q,y,f)._round();n&&!checkMaxAngle(e,M,l,n,a)||x.push(M)}}g+=A}return i||x.length||o||(x=resample(e,g/2,t,n,a,l,o,!0,h)),x}var interpolate=require("../util/interpolate"),Anchor=require("../symbol/anchor"),checkMaxAngle=require("./check_max_angle");module.exports=getAnchors;
-},{"../symbol/anchor":73,"../util/interpolate":119,"./check_max_angle":74}],80:[function(require,module,exports){
-"use strict";var ShelfPack=require("shelf-pack"),util=require("../util/util"),SIZE_GROWTH_RATE=4,DEFAULT_SIZE=128,MAX_SIZE=2048,GlyphAtlas=function(){this.width=DEFAULT_SIZE,this.height=DEFAULT_SIZE,this.bin=new ShelfPack(this.width,this.height),this.index={},this.ids={},this.data=new Uint8Array(this.width*this.height)};GlyphAtlas.prototype.getGlyphs=function(){var t,i,e,h={};for(var r in this.ids)t=r.split("#"),i=t[0],e=t[1],h[i]||(h[i]=[]),h[i].push(e);return h},GlyphAtlas.prototype.getRects=function(){var t,i,e,h=this,r={};for(var s in this.ids)t=s.split("#"),i=t[0],e=t[1],r[i]||(r[i]={}),r[i][e]=h.index[s];return r},GlyphAtlas.prototype.addGlyph=function(t,i,e,h){var r=this;if(!e)return null;var s=i+"#"+e.id;if(this.index[s])return this.ids[s].indexOf(t)<0&&this.ids[s].push(t),this.index[s];if(!e.bitmap)return null;var a=e.width+2*h,n=e.height+2*h,E=1,T=a+2*E,u=n+2*E;T+=4-T%4,u+=4-u%4;var l=this.bin.packOne(T,u);if(l||(this.resize(),l=this.bin.packOne(T,u)),!l)return util.warnOnce("glyph bitmap overflow"),null;this.index[s]=l,this.ids[s]=[t];for(var d=this.data,A=e.bitmap,_=0;_<n;_++)for(var p=r.width*(l.y+_+E)+l.x+E,o=a*_,R=0;R<a;R++)d[p+R]=A[o+R];return this.dirty=!0,l},GlyphAtlas.prototype.resize=function(){var t=this,i=this.width,e=this.height;if(!(i>=MAX_SIZE||e>=MAX_SIZE)){this.texture&&(this.gl&&this.gl.deleteTexture(this.texture),this.texture=null),this.width*=SIZE_GROWTH_RATE,this.height*=SIZE_GROWTH_RATE,this.bin.resize(this.width,this.height);for(var h=new ArrayBuffer(this.width*this.height),r=0;r<e;r++){var s=new Uint8Array(t.data.buffer,e*r,i),a=new Uint8Array(h,e*r*SIZE_GROWTH_RATE,i);a.set(s)}this.data=new Uint8Array(h)}},GlyphAtlas.prototype.bind=function(t){this.gl=t,this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,this.width,this.height,0,t.ALPHA,t.UNSIGNED_BYTE,null))},GlyphAtlas.prototype.updateTexture=function(t){this.bind(t),this.dirty&&(t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.ALPHA,t.UNSIGNED_BYTE,this.data),this.dirty=!1)},module.exports=GlyphAtlas;
-},{"../util/util":127,"shelf-pack":197}],81:[function(require,module,exports){
-"use strict";function glyphUrl(t,e,a,l){return l=l||"abc",a.replace("{s}",l[t.length%l.length]).replace("{fontstack}",t).replace("{range}",e)}var normalizeURL=require("../util/mapbox").normalizeGlyphsURL,ajax=require("../util/ajax"),verticalizePunctuation=require("../util/verticalize_punctuation"),Glyphs=require("../util/glyphs"),GlyphAtlas=require("../symbol/glyph_atlas"),Protobuf=require("pbf"),SimpleGlyph=function(t,e,a){var l=1;this.advance=t.advance,this.left=t.left-a-l,this.top=t.top+a+l,this.rect=e},GlyphSource=function(t){this.url=t&&normalizeURL(t),this.atlases={},this.stacks={},this.loading={}};GlyphSource.prototype.getSimpleGlyphs=function(t,e,a,l){var i=this;void 0===this.stacks[t]&&(this.stacks[t]={}),void 0===this.atlases[t]&&(this.atlases[t]=new GlyphAtlas);for(var r={},o=this.stacks[t],s=this.atlases[t],n=3,h={},p=0,u=function(e){var l=Math.floor(e/256);if(o[l]){var i=o[l].glyphs[e],u=s.addGlyph(a,t,i,n);i&&(r[e]=new SimpleGlyph(i,u,n))}else void 0===h[l]&&(h[l]=[],p++),h[l].push(e)},c=0;c<e.length;c++){var y=e[c],f=String.fromCharCode(y);u(y),verticalizePunctuation.lookup[f]&&u(verticalizePunctuation.lookup[f].charCodeAt(0))}p||l(void 0,r,t);var v=function(e,o,u){if(!e)for(var c=i.stacks[t][o]=u.stacks[0],y=0;y<h[o].length;y++){var f=h[o][y],v=c.glyphs[f],d=s.addGlyph(a,t,v,n);v&&(r[f]=new SimpleGlyph(v,d,n))}p--,p||l(void 0,r,t)};for(var d in h)i.loadRange(t,d,v)},GlyphSource.prototype.loadRange=function(t,e,a){if(256*e>65535)return a("glyphs > 65535 not supported");void 0===this.loading[t]&&(this.loading[t]={});var l=this.loading[t];if(l[e])l[e].push(a);else{l[e]=[a];var i=256*e+"-"+(256*e+255),r=glyphUrl(t,i,this.url);ajax.getArrayBuffer(r,function(t,a){for(var i=!t&&new Glyphs(new Protobuf(a)),r=0;r<l[e].length;r++)l[e][r](t,e,i);delete l[e]})}},GlyphSource.prototype.getGlyphAtlas=function(t){return this.atlases[t]},module.exports=GlyphSource;
-},{"../symbol/glyph_atlas":80,"../util/ajax":107,"../util/glyphs":118,"../util/mapbox":123,"../util/verticalize_punctuation":129,"pbf":193}],82:[function(require,module,exports){
-"use strict";module.exports=function(e){function t(t){g.push(e[t]),l++}function r(e,t,r){var n=u[e];return delete u[e],u[t]=n,g[n].geometry[0].pop(),g[n].geometry[0]=g[n].geometry[0].concat(r[0]),n}function n(e,t,r){var n=i[t];return delete i[t],i[e]=n,g[n].geometry[0].shift(),g[n].geometry[0]=r[0].concat(g[n].geometry[0]),n}function o(e,t,r){var n=r?t[0][t[0].length-1]:t[0][0];return e+":"+n.x+":"+n.y}for(var i={},u={},g=[],l=0,m=0;m<e.length;m++){var y=e[m],c=y.geometry,f=y.text;if(f){var a=o(f,c),s=o(f,c,!0);if(a in u&&s in i&&u[a]!==i[s]){var v=n(a,s,c),d=r(a,s,g[v].geometry);delete i[a],delete u[s],u[o(f,g[d].geometry,!0)]=d,g[v].geometry=null}else a in u?r(a,s,c):s in i?n(a,s,c):(t(m),i[a]=l-1,u[s]=l-1)}else t(m)}return g.filter(function(e){return e.geometry})};
-},{}],83:[function(require,module,exports){
-"use strict";function SymbolQuad(t,e,a,n,i,o,l,h,r,s,g){this.anchorPoint=t,this.tl=e,this.tr=a,this.bl=n,this.br=i,this.tex=o,this.anchorAngle=l,this.glyphAngle=h,this.minScale=r,this.maxScale=s,this.writingMode=g}function getIconQuads(t,e,a,n,i,o,l,h,r){var s,g,u,c,m=e.image.rect,f=i.layout,x=1,d=e.left-x,P=d+m.w/e.image.pixelRatio,y=e.top-x,M=y+m.h/e.image.pixelRatio;if("none"!==f["icon-text-fit"]&&l){var p=P-d,v=M-y,w=f["text-size"]/24,S=l.left*w,b=l.right*w,I=l.top*w,_=l.bottom*w,Q=b-S,G=_-I,k=f["icon-text-fit-padding"][0],q=f["icon-text-fit-padding"][1],A=f["icon-text-fit-padding"][2],R=f["icon-text-fit-padding"][3],z="width"===f["icon-text-fit"]?.5*(G-v):0,L="height"===f["icon-text-fit"]?.5*(Q-p):0,V="width"===f["icon-text-fit"]||"both"===f["icon-text-fit"]?Q:p,j="height"===f["icon-text-fit"]||"both"===f["icon-text-fit"]?G:v;s=new Point(S+L-R,I+z-k),g=new Point(S+L+q+V,I+z-k),u=new Point(S+L+q+V,I+z+A+j),c=new Point(S+L-R,I+z+A+j)}else s=new Point(d,y),g=new Point(P,y),u=new Point(P,M),c=new Point(d,M);var B=i.getLayoutValue("icon-rotate",h,r)*Math.PI/180;if(o){var C=n[t.segment];if(t.y===C.y&&t.x===C.x&&t.segment+1<n.length){var D=n[t.segment+1];B+=Math.atan2(t.y-D.y,t.x-D.x)+Math.PI}else B+=Math.atan2(t.y-C.y,t.x-C.x)}if(B){var E=Math.sin(B),F=Math.cos(B),H=[F,-E,E,F];s=s.matMult(H),g=g.matMult(H),c=c.matMult(H),u=u.matMult(H)}return[new SymbolQuad(new Point(t.x,t.y),s,g,c,u,e.image.rect,0,0,minScale,1/0)]}function getGlyphQuads(t,e,a,n,i,o){for(var l=i.layout["text-rotate"]*Math.PI/180,h=i.layout["text-keep-upright"],r=e.positionedGlyphs,s=[],g=0;g<r.length;g++){var u=r[g],c=u.glyph;if(c){var m=c.rect;if(m){var f,x=(u.x+c.advance/2)*a,d=minScale;o?(f=[],d=getSegmentGlyphs(f,t,x,n,t.segment,!0),h&&(d=Math.min(d,getSegmentGlyphs(f,t,x,n,t.segment,!1)))):f=[{anchorPoint:new Point(t.x,t.y),offset:0,angle:0,maxScale:1/0,minScale:minScale}];var P=u.x+c.left,y=u.y-c.top,M=P+m.w,p=y+m.h,v=new Point(u.x,c.advance/2),w=new Point(P,y),S=new Point(M,y),b=new Point(P,p),I=new Point(M,p);0!==u.angle&&(w._sub(v)._rotate(u.angle)._add(v),S._sub(v)._rotate(u.angle)._add(v),b._sub(v)._rotate(u.angle)._add(v),I._sub(v)._rotate(u.angle)._add(v));for(var _=0;_<f.length;_++){var Q=f[_],G=w,k=S,q=b,A=I;if(l){var R=Math.sin(l),z=Math.cos(l),L=[z,-R,R,z];G=G.matMult(L),k=k.matMult(L),q=q.matMult(L),A=A.matMult(L)}var V=Math.max(Q.minScale,d),j=(t.angle+Q.offset+2*Math.PI)%(2*Math.PI),B=(Q.angle+Q.offset+2*Math.PI)%(2*Math.PI);s.push(new SymbolQuad(Q.anchorPoint,G,k,q,A,m,j,B,V,Q.maxScale,e.writingMode))}}}}return s}function getSegmentGlyphs(t,e,a,n,i,o){var l=!o;a<0&&(o=!o),o&&i++;var h=new Point(e.x,e.y),r=n[i],s=1/0;a=Math.abs(a);for(var g=minScale;;){var u=h.dist(r),c=a/u,m=Math.atan2(r.y-h.y,r.x-h.x);if(o||(m+=Math.PI),t.push({anchorPoint:h,offset:l?Math.PI:0,minScale:c,maxScale:s,angle:(m+2*Math.PI)%(2*Math.PI)}),c<=g)break;for(h=r;h.equals(r);)if(i+=o?1:-1,r=n[i],!r)return c;var f=r.sub(h)._unit();h=h.sub(f._mult(u)),s=c}return g}var Point=require("point-geometry");module.exports={getIconQuads:getIconQuads,getGlyphQuads:getGlyphQuads,SymbolQuad:SymbolQuad};var minScale=.5;
-},{"point-geometry":194}],84:[function(require,module,exports){
-"use strict";var resolveTokens=require("../util/token");module.exports=function(e,r){var o=resolveTokens(e.properties,r["text-field"]);if(o){o=o.toString();var t=r["text-transform"];return"uppercase"===t?o=o.toLocaleUpperCase():"lowercase"===t&&(o=o.toLocaleLowerCase()),o}};
-},{"../util/token":126}],85:[function(require,module,exports){
-"use strict";function PositionedGlyph(e,t,i,n,a){this.codePoint=e,this.x=t,this.y=i,this.glyph=n||null,this.angle=a}function Shaping(e,t,i,n,a,r,o){this.positionedGlyphs=e,this.text=t,this.top=i,this.bottom=n,this.left=a,this.right=r,this.writingMode=o}function breakLines(e,t){for(var i=[],n=0,a=0,r=t;a<r.length;a+=1){var o=r[a];i.push(e.substring(n,o)),n=o}return n<e.length&&i.push(e.substring(n,e.length)),i}function shapeText(e,t,i,n,a,r,o,s,h,l,c){e=e.trim(),c===WritingMode.vertical&&(e=verticalizePunctuation(e));var u=[],d=new Shaping(u,e,h[1],h[1],h[0],h[0],c),p=c===WritingMode.horizontal&&i?breakLines(e,determineLineBreaks(e,s,i,t)):[e];return shapeLines(d,t,p,n,a,r,o,h,c,s,l),!!u.length&&d}function determineAverageLineWidth(e,t,i,n){var a=0;for(var r in e){var o=n[e.charCodeAt(r)];o&&(a+=o.advance+t)}var s=Math.max(1,Math.ceil(a/i));return a/s}function calculateBadness(e,t,i,n){var a=Math.pow(e-t,2);return n&&e<t?Math.max(0,a-150):a+Math.abs(i)*i}function calculatePenalty(e,t){var i=0;return 10===e&&(i-=1e4),!t||40!==t&&65288!==t||(i+=50),41!==e&&65289!==e||(i+=50),i}function evaluateBreak(e,t,i,n,a,r){for(var o=[],s=0,h=n;s<h.length;s+=1){var l=h[s],c=t-l.x;o.push({priorBreak:l,badness:calculateBadness(c,i,a,r)+l.badness})}return o.push({priorBreak:null,badness:calculateBadness(t,i,a,r)}),o.sort(function(e,t){return e.badness-t.badness}),{index:e,x:t,priorBreak:o[0].priorBreak,badness:o[0].badness}}function leastBadBreaks(e){return e?leastBadBreaks(e.priorBreak).concat(e.index):[]}function determineLineBreaks(e,t,i,n){if(!i)return[];if(!e)return[];for(var a=[],r=determineAverageLineWidth(e,t,i,n),o=0,s=0;s<e.length;s++){var h=e.charCodeAt(s),l=n[h];if(l||h===newLine){if(breakable[h]||scriptDetection.charAllowsIdeographicBreaking(h)){var c=e.charCodeAt(s-1);a.unshift(evaluateBreak(s,o,r,a,calculatePenalty(h,c),!1))}l&&(o+=l.advance+t)}}return a.unshift(evaluateBreak(e.length,o,r,a,0,!0)),leastBadBreaks(a.shift())}function shapeLines(e,t,i,n,a,r,o,s,h,l,c){var u=-17,d=0,p=u,f=0,g=e.positionedGlyphs;for(var v in i){var b=i[v].trim();if(b.length){for(var B=g.length,k=0;k<b.length;k++){var x=b.charCodeAt(k),m=t[x];m&&(scriptDetection.charHasUprightVerticalOrientation(x)&&h!==WritingMode.horizontal?(g.push(new PositionedGlyph(x,d,0,m,-Math.PI/2)),d+=c+l):(g.push(new PositionedGlyph(x,d,p,m,0)),d+=m.advance+l))}if(g.length!==B){var M=d-l;f=Math.max(M,f),justifyLine(g,t,B,g.length-1,o)}d=0,p+=n}else p+=n}align(g,o,a,r,f,n,i.length,s);var L=i.length*n;e.top+=-r*L,e.bottom=e.top+L,e.left+=-a*f,e.right=e.left+f}function justifyLine(e,t,i,n,a){if(a)for(var r=t[e[n].codePoint].advance,o=(e[n].x+r)*a,s=i;s<=n;s++)e[s].x-=o}function align(e,t,i,n,a,r,o,s){for(var h=(t-i)*a+s[0],l=(-n*o+.5)*r+s[1],c=0;c<e.length;c++)e[c].x+=h,e[c].y+=l}function shapeIcon(e,t){if(!e||!e.rect)return null;var i=t[0],n=t[1],a=i-e.width/2,r=a+e.width,o=n-e.height/2,s=o+e.height;return new PositionedIcon(e,o,s,a,r)}function PositionedIcon(e,t,i,n,a){this.image=e,this.top=t,this.bottom=i,this.left=n,this.right=a}var scriptDetection=require("../util/script_detection"),verticalizePunctuation=require("../util/verticalize_punctuation"),WritingMode={horizontal:1,vertical:2};module.exports={shapeText:shapeText,shapeIcon:shapeIcon,WritingMode:WritingMode};var newLine=10,breakable={32:!0,38:!0,40:!0,41:!0,43:!0,45:!0,47:!0,173:!0,183:!0,8203:!0,8208:!0,8211:!0,8231:!0};breakable[newLine]=!0;
-},{"../util/script_detection":124,"../util/verticalize_punctuation":129}],86:[function(require,module,exports){
-"use strict";function copyBitmap(t,i,e,h,a,s,r,o,l,p,n){var u,R,f=h*i+e,x=o*s+r;if(n)for(x-=s,R=-1;R<=p;R++,f=((R+p)%p+h)*i+e,x+=s)for(u=-1;u<=l;u++)a[x+u]=t[f+(u+l)%l];else for(R=0;R<p;R++,f+=i,x+=s)for(u=0;u<l;u++)a[x+u]=t[f+u]}var ShelfPack=require("shelf-pack"),browser=require("../util/browser"),util=require("../util/util"),AtlasImage=function(t,i,e,h,a){this.rect=t,this.width=i,this.height=e,this.sdf=h,this.pixelRatio=a},SpriteAtlas=function(t,i){this.width=t,this.height=i,this.bin=new ShelfPack(t,i),this.images={},this.data=!1,this.texture=0,this.filter=0,this.pixelRatio=1,this.dirty=!0};SpriteAtlas.prototype.allocateImage=function(t,i){t/=this.pixelRatio,i/=this.pixelRatio;var e=2,h=t+e+(4-(t+e)%4),a=i+e+(4-(i+e)%4),s=this.bin.packOne(h,a);return s?s:(util.warnOnce("SpriteAtlas out of space."),null)},SpriteAtlas.prototype.getImage=function(t,i){if(this.images[t])return this.images[t];if(!this.sprite)return null;var e=this.sprite.getSpritePosition(t);if(!e.width||!e.height)return null;var h=this.allocateImage(e.width,e.height);if(!h)return null;var a=new AtlasImage(h,e.width/e.pixelRatio,e.height/e.pixelRatio,e.sdf,e.pixelRatio/this.pixelRatio);return this.images[t]=a,this.copy(h,e,i),a},SpriteAtlas.prototype.getPosition=function(t,i){var e=this.getImage(t,i),h=e&&e.rect;if(!h)return null;var a=e.width*e.pixelRatio,s=e.height*e.pixelRatio,r=1;return{size:[e.width,e.height],tl:[(h.x+r)/this.width,(h.y+r)/this.height],br:[(h.x+r+a)/this.width,(h.y+r+s)/this.height]}},SpriteAtlas.prototype.allocate=function(){var t=this;if(!this.data){var i=Math.floor(this.width*this.pixelRatio),e=Math.floor(this.height*this.pixelRatio);this.data=new Uint32Array(i*e);for(var h=0;h<this.data.length;h++)t.data[h]=0}},SpriteAtlas.prototype.copy=function(t,i,e){if(this.sprite.imgData){var h=new Uint32Array(this.sprite.imgData.buffer);this.allocate();var a=this.data,s=1;copyBitmap(h,this.sprite.width,i.x,i.y,a,this.width*this.pixelRatio,(t.x+s)*this.pixelRatio,(t.y+s)*this.pixelRatio,i.width,i.height,e),this.dirty=!0}},SpriteAtlas.prototype.setSprite=function(t){t&&(this.pixelRatio=browser.devicePixelRatio>1?2:1,this.canvas&&(this.canvas.width=this.width*this.pixelRatio,this.canvas.height=this.height*this.pixelRatio)),this.sprite=t},SpriteAtlas.prototype.addIcons=function(t,i){for(var e=this,h=0;h<t.length;h++)e.getImage(t[h]);i(null,this.images)},SpriteAtlas.prototype.bind=function(t,i){var e=!1;this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),e=!0);var h=i?t.LINEAR:t.NEAREST;h!==this.filter&&(t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,h),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,h),this.filter=h),this.dirty&&(this.allocate(),e?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width*this.pixelRatio,this.height*this.pixelRatio,0,t.RGBA,t.UNSIGNED_BYTE,new Uint8Array(this.data.buffer)):t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width*this.pixelRatio,this.height*this.pixelRatio,t.RGBA,t.UNSIGNED_BYTE,new Uint8Array(this.data.buffer)),this.dirty=!1)},module.exports=SpriteAtlas;
-},{"../util/browser":108,"../util/util":127,"shelf-pack":197}],87:[function(require,module,exports){
-"use strict";var createStructArrayType=require("../util/struct_array"),Point=require("point-geometry"),SymbolInstancesArray=createStructArrayType({members:[{type:"Uint16",name:"textBoxStartIndex"},{type:"Uint16",name:"textBoxEndIndex"},{type:"Uint16",name:"iconBoxStartIndex"},{type:"Uint16",name:"iconBoxEndIndex"},{type:"Uint16",name:"glyphQuadStartIndex"},{type:"Uint16",name:"glyphQuadEndIndex"},{type:"Uint16",name:"iconQuadStartIndex"},{type:"Uint16",name:"iconQuadEndIndex"},{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int8",name:"index"},{type:"Uint8",name:"writingModes"}]});Object.defineProperty(SymbolInstancesArray.prototype.StructType.prototype,"anchorPoint",{get:function(){return new Point(this.anchorPointX,this.anchorPointY)}}),module.exports=SymbolInstancesArray;
-},{"../util/struct_array":125,"point-geometry":194}],88:[function(require,module,exports){
-"use strict";var createStructArrayType=require("../util/struct_array"),Point=require("point-geometry"),SymbolQuad=require("./quads").SymbolQuad,SymbolQuadsArray=createStructArrayType({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Float32",name:"tlX"},{type:"Float32",name:"tlY"},{type:"Float32",name:"trX"},{type:"Float32",name:"trY"},{type:"Float32",name:"blX"},{type:"Float32",name:"blY"},{type:"Float32",name:"brX"},{type:"Float32",name:"brY"},{type:"Int16",name:"texH"},{type:"Int16",name:"texW"},{type:"Int16",name:"texX"},{type:"Int16",name:"texY"},{type:"Float32",name:"anchorAngle"},{type:"Float32",name:"glyphAngle"},{type:"Float32",name:"maxScale"},{type:"Float32",name:"minScale"},{type:"Uint8",name:"writingMode"}]});Object.defineProperty(SymbolQuadsArray.prototype.StructType.prototype,"anchorPoint",{get:function(){return new Point(this.anchorPointX,this.anchorPointY)}}),Object.defineProperty(SymbolQuadsArray.prototype.StructType.prototype,"SymbolQuad",{get:function(){return new SymbolQuad(this.anchorPoint,new Point(this.tlX,this.tlY),new Point(this.trX,this.trY),new Point(this.blX,this.blY),new Point(this.brX,this.brY),{x:this.texX,y:this.texY,h:this.texH,w:this.texW,height:this.texH,width:this.texW},this.anchorAngle,this.glyphAngle,this.minScale,this.maxScale,this.writingMode)}}),module.exports=SymbolQuadsArray;
-},{"../util/struct_array":125,"./quads":83,"point-geometry":194}],89:[function(require,module,exports){
-"use strict";var DOM=require("../util/dom"),Point=require("point-geometry"),handlers={scrollZoom:require("./handler/scroll_zoom"),boxZoom:require("./handler/box_zoom"),dragRotate:require("./handler/drag_rotate"),dragPan:require("./handler/drag_pan"),keyboard:require("./handler/keyboard"),doubleClickZoom:require("./handler/dblclick_zoom"),touchZoomRotate:require("./handler/touch_zoom_rotate")};module.exports=function(e,t){function n(e){h("mouseout",e)}function o(t){e.stop(),L=DOM.mousePos(g,t),h("mousedown",t),E=!0}function r(t){var n=e.dragRotate&&e.dragRotate.isActive();p&&!n&&h("contextmenu",p),p=null,E=!1,h("mouseup",t)}function a(t){if(!(e.dragPan&&e.dragPan.isActive()||e.dragRotate&&e.dragRotate.isActive())){for(var n=t.toElement||t.target;n&&n!==g;)n=n.parentNode;n===g&&h("mousemove",t)}}function u(t){e.stop(),f("touchstart",t),!t.touches||t.touches.length>1||(b?(clearTimeout(b),b=null,h("dblclick",t)):b=setTimeout(l,300))}function i(e){f("touchmove",e)}function c(e){f("touchend",e)}function d(e){f("touchcancel",e)}function l(){b=null}function s(e){var t=DOM.mousePos(g,e);t.equals(L)&&h("click",e)}function v(e){h("dblclick",e),e.preventDefault()}function m(t){var n=e.dragRotate&&e.dragRotate.isActive();E||n?E&&(p=t):h("contextmenu",t),t.preventDefault()}function h(t,n){var o=DOM.mousePos(g,n);return e.fire(t,{lngLat:e.unproject(o),point:o,originalEvent:n})}function f(t,n){var o=DOM.touchPos(g,n),r=o.reduce(function(e,t,n,o){return e.add(t.div(o.length))},new Point(0,0));return e.fire(t,{lngLat:e.unproject(r),point:r,lngLats:o.map(function(t){return e.unproject(t)},this),points:o,originalEvent:n})}var g=e.getCanvasContainer(),p=null,E=!1,L=null,b=null;for(var q in handlers)e[q]=new handlers[q](e,t),t.interactive&&t[q]&&e[q].enable();g.addEventListener("mouseout",n,!1),g.addEventListener("mousedown",o,!1),g.addEventListener("mouseup",r,!1),g.addEventListener("mousemove",a,!1),g.addEventListener("touchstart",u,!1),g.addEventListener("touchend",c,!1),g.addEventListener("touchmove",i,!1),g.addEventListener("touchcancel",d,!1),g.addEventListener("click",s,!1),g.addEventListener("dblclick",v,!1),g.addEventListener("contextmenu",m,!1)};
-},{"../util/dom":115,"./handler/box_zoom":95,"./handler/dblclick_zoom":96,"./handler/drag_pan":97,"./handler/drag_rotate":98,"./handler/keyboard":99,"./handler/scroll_zoom":100,"./handler/touch_zoom_rotate":101,"point-geometry":194}],90:[function(require,module,exports){
-"use strict";var util=require("../util/util"),interpolate=require("../util/interpolate"),browser=require("../util/browser"),LngLat=require("../geo/lng_lat"),LngLatBounds=require("../geo/lng_lat_bounds"),Point=require("point-geometry"),Evented=require("../util/evented"),Camera=function(t){function i(i,e){t.call(this),this.transform=i,this._bearingSnap=e.bearingSnap}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.getCenter=function(){return this.transform.center},i.prototype.setCenter=function(t,i){return this.jumpTo({center:t},i),this},i.prototype.panBy=function(t,i,e){return this.panTo(this.transform.center,util.extend({offset:Point.convert(t).mult(-1)},i),e),this},i.prototype.panTo=function(t,i,e){return this.easeTo(util.extend({center:t},i),e)},i.prototype.getZoom=function(){return this.transform.zoom},i.prototype.setZoom=function(t,i){return this.jumpTo({zoom:t},i),this},i.prototype.zoomTo=function(t,i,e){return this.easeTo(util.extend({zoom:t},i),e)},i.prototype.zoomIn=function(t,i){return this.zoomTo(this.getZoom()+1,t,i),this},i.prototype.zoomOut=function(t,i){return this.zoomTo(this.getZoom()-1,t,i),this},i.prototype.getBearing=function(){return this.transform.bearing},i.prototype.setBearing=function(t,i){return this.jumpTo({bearing:t},i),this},i.prototype.rotateTo=function(t,i,e){return this.easeTo(util.extend({bearing:t},i),e)},i.prototype.resetNorth=function(t,i){return this.rotateTo(0,util.extend({duration:1e3},t),i),this},i.prototype.snapToNorth=function(t,i){return Math.abs(this.getBearing())<this._bearingSnap?this.resetNorth(t,i):this},i.prototype.getPitch=function(){return this.transform.pitch},i.prototype.setPitch=function(t,i){return this.jumpTo({pitch:t},i),this},i.prototype.fitBounds=function(t,i,e){i=util.extend({padding:0,offset:[0,0],maxZoom:this.getMaxZoom()},i),t=LngLatBounds.convert(t);var o=Point.convert(i.offset),n=this.transform,r=n.project(t.getNorthWest()),s=n.project(t.getSouthEast()),a=s.sub(r),h=(n.width-2*i.padding-2*Math.abs(o.x))/a.x,u=(n.height-2*i.padding-2*Math.abs(o.y))/a.y;return i.center=n.unproject(r.add(s).div(2)),i.zoom=Math.min(n.scaleZoom(n.scale*Math.min(h,u)),i.maxZoom),i.bearing=0,i.linear?this.easeTo(i,e):this.flyTo(i,e)},i.prototype.jumpTo=function(t,i){this.stop();var e=this.transform,o=!1,n=!1,r=!1;return"zoom"in t&&e.zoom!==+t.zoom&&(o=!0,e.zoom=+t.zoom),"center"in t&&(e.center=LngLat.convert(t.center)),"bearing"in t&&e.bearing!==+t.bearing&&(n=!0,e.bearing=+t.bearing),"pitch"in t&&e.pitch!==+t.pitch&&(r=!0,e.pitch=+t.pitch),this.fire("movestart",i).fire("move",i),o&&this.fire("zoomstart",i).fire("zoom",i).fire("zoomend",i),n&&this.fire("rotate",i),r&&this.fire("pitch",i),this.fire("moveend",i)},i.prototype.easeTo=function(t,i){var e=this;this.stop(),t=util.extend({offset:[0,0],duration:500,easing:util.ease},t);var o,n,r=this.transform,s=Point.convert(t.offset),a=this.getZoom(),h=this.getBearing(),u=this.getPitch(),p="zoom"in t?+t.zoom:a,c="bearing"in t?this._normalizeBearing(t.bearing,h):h,m="pitch"in t?+t.pitch:u;"center"in t?(o=LngLat.convert(t.center),n=r.centerPoint.add(s)):"around"in t?(o=LngLat.convert(t.around),n=r.locationPoint(o)):(n=r.centerPoint.add(s),o=r.pointLocation(n));var g=r.locationPoint(o);return t.animate===!1&&(t.duration=0),this.zooming=p!==a,this.rotating=h!==c,this.pitching=m!==u,t.smoothEasing&&0!==t.duration&&(t.easing=this._smoothOutEasing(t.duration)),t.noMoveStart||this.fire("movestart",i),this.zooming&&this.fire("zoomstart",i),clearTimeout(this._onEaseEnd),this._ease(function(t){this.zooming&&(r.zoom=interpolate(a,p,t)),this.rotating&&(r.bearing=interpolate(h,c,t)),this.pitching&&(r.pitch=interpolate(u,m,t)),r.setLocationAtPoint(o,g.add(n.sub(g)._mult(t))),this.fire("move",i),this.zooming&&this.fire("zoom",i),this.rotating&&this.fire("rotate",i),this.pitching&&this.fire("pitch",i)},function(){t.delayEndEvents?e._onEaseEnd=setTimeout(e._easeToEnd.bind(e,i),t.delayEndEvents):e._easeToEnd(i)},t),this},i.prototype._easeToEnd=function(t){var i=this.zooming;this.zooming=!1,this.rotating=!1,this.pitching=!1,i&&this.fire("zoomend",t),this.fire("moveend",t)},i.prototype.flyTo=function(t,i){function e(t){var i=(y*y-z*z+(t?-1:1)*E*E*_*_)/(2*(t?y:z)*E*_);return Math.log(Math.sqrt(i*i+1)-i)}function o(t){return(Math.exp(t)-Math.exp(-t))/2}function n(t){return(Math.exp(t)+Math.exp(-t))/2}function r(t){return o(t)/n(t)}this.stop(),t=util.extend({offset:[0,0],speed:1.2,curve:1.42,easing:util.ease},t);var s=this.transform,a=Point.convert(t.offset),h=this.getZoom(),u=this.getBearing(),p=this.getPitch(),c="center"in t?LngLat.convert(t.center):this.getCenter(),m="zoom"in t?+t.zoom:h,g="bearing"in t?this._normalizeBearing(t.bearing,u):u,f="pitch"in t?+t.pitch:p;Math.abs(s.center.lng)+Math.abs(c.lng)>180&&(s.center.lng>0&&c.lng<0?c.lng+=360:s.center.lng<0&&c.lng>0&&(c.lng-=360));var d=s.zoomScale(m-h),l=s.point,v="center"in t?s.project(c).sub(a.div(d)):l,b=t.curve,z=Math.max(s.width,s.height),y=z/d,_=v.sub(l).mag();if("minZoom"in t){var M=util.clamp(Math.min(t.minZoom,h,m),s.minZoom,s.maxZoom),T=z/s.zoomScale(M-h);b=Math.sqrt(T/_*2)}var E=b*b,x=e(0),L=function(t){return n(x)/n(x+b*t)},Z=function(t){return z*((n(x)*r(x+b*t)-o(x))/E)/_},P=(e(1)-x)/b;if(Math.abs(_)<1e-6){if(Math.abs(z-y)<1e-6)return this.easeTo(t);var B=y<z?-1:1;P=Math.abs(Math.log(y/z))/b,Z=function(){return 0},L=function(t){return Math.exp(B*b*t)}}if("duration"in t)t.duration=+t.duration;else{var j="screenSpeed"in t?+t.screenSpeed/b:+t.speed;t.duration=1e3*P/j}return this.zooming=!0,u!==g&&(this.rotating=!0),p!==f&&(this.pitching=!0),this.fire("movestart",i),this.fire("zoomstart",i),this._ease(function(t){var e=t*P,o=Z(e),n=1/L(e);s.zoom=h+s.scaleZoom(n),s.center=s.unproject(l.add(v.sub(l).mult(o)).mult(n)),this.rotating&&(s.bearing=interpolate(u,g,t)),this.pitching&&(s.pitch=interpolate(p,f,t)),this.fire("move",i),this.fire("zoom",i),this.rotating&&this.fire("rotate",i),this.pitching&&this.fire("pitch",i)},function(){this.zooming=!1,this.rotating=!1,this.pitching=!1,this.fire("zoomend",i),this.fire("moveend",i)},t),this},i.prototype.isEasing=function(){return!!this._abortFn},i.prototype.stop=function(){return this._abortFn&&(this._abortFn(),this._finishEase()),this},i.prototype._ease=function(t,i,e){this._finishFn=i,this._abortFn=browser.timed(function(i){t.call(this,e.easing(i)),1===i&&this._finishEase()},e.animate===!1?0:e.duration,this)},i.prototype._finishEase=function(){delete this._abortFn;var t=this._finishFn;delete this._finishFn,t.call(this)},i.prototype._normalizeBearing=function(t,i){t=util.wrap(t,-180,180);var e=Math.abs(t-i);return Math.abs(t-360-i)<e&&(t-=360),Math.abs(t+360-i)<e&&(t+=360),t},i.prototype._smoothOutEasing=function(t){var i=util.ease;if(this._prevEase){var e=this._prevEase,o=(Date.now()-e.start)/e.duration,n=e.easing(o+.01)-e.easing(o),r=.27/Math.sqrt(n*n+1e-4)*.01,s=Math.sqrt(.0729-r*r);i=util.bezier(r,s,.25,1)}return this._prevEase={start:(new Date).getTime(),duration:t,easing:i},i},i}(Evented);module.exports=Camera;
-},{"../geo/lng_lat":19,"../geo/lng_lat_bounds":20,"../util/browser":108,"../util/evented":116,"../util/interpolate":119,"../util/util":127,"point-geometry":194}],91:[function(require,module,exports){
-"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),AttributionControl=function(t){this.options=t,util.bindAll(["_updateEditLink","_updateData","_updateCompact"],this)};AttributionControl.prototype.getDefaultPosition=function(){return"bottom-right"},AttributionControl.prototype.onAdd=function(t){var i=this.options&&this.options.compact;return this._map=t,this._container=DOM.create("div","mapboxgl-ctrl mapboxgl-ctrl-attrib"),i&&this._container.classList.add("compact"),this._updateAttributions(),this._updateEditLink(),this._map.on("data",this._updateData),this._map.on("moveend",this._updateEditLink),void 0===i&&(this._map.on("resize",this._updateCompact),this._updateCompact()),this._container},AttributionControl.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("data",this._updateData),this._map.off("moveend",this._updateEditLink),this._map.off("resize",this._updateCompact),this._map=void 0},AttributionControl.prototype._updateEditLink=function(){if(this._editLink||(this._editLink=this._container.querySelector(".mapbox-improve-map")),this._editLink){var t=this._map.getCenter();this._editLink.href="https://www.mapbox.com/map-feedback/#/"+t.lng+"/"+t.lat+"/"+Math.round(this._map.getZoom()+1)}},AttributionControl.prototype._updateData=function(t){"source"===t.dataType&&(this._updateAttributions(),this._updateEditLink())},AttributionControl.prototype._updateAttributions=function(){if(this._map.style){var t=[],i=this._map.style.sourceCaches;for(var o in i){var n=i[o].getSource();n.attribution&&t.indexOf(n.attribution)<0&&t.push(n.attribution)}t.sort(function(t,i){return t.length-i.length}),t=t.filter(function(i,o){for(var n=o+1;n<t.length;n++)if(t[n].indexOf(i)>=0)return!1;return!0}),this._container.innerHTML=t.join(" | "),this._editLink=null}},AttributionControl.prototype._updateCompact=function(){var t=this._map.getCanvasContainer().offsetWidth<=640;this._container.classList[t?"add":"remove"]("compact")},module.exports=AttributionControl;
-},{"../../util/dom":115,"../../util/util":127}],92:[function(require,module,exports){
-"use strict";function checkGeolocationSupport(t){void 0!==supportsGeolocation?t(supportsGeolocation):void 0!==window.navigator.permissions?window.navigator.permissions.query({name:"geolocation"}).then(function(o){supportsGeolocation="denied"!==o.state,t(supportsGeolocation)}):(supportsGeolocation=!!window.navigator.geolocation,t(supportsGeolocation))}var Evented=require("../../util/evented"),DOM=require("../../util/dom"),window=require("../../util/window"),util=require("../../util/util"),defaultGeoPositionOptions={enableHighAccuracy:!1,timeout:6e3},className="mapboxgl-ctrl",supportsGeolocation,GeolocateControl=function(t){function o(o){t.call(this),this.options=o,util.bindAll(["_onSuccess","_onError","_finish","_setupUI"],this)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div",className+" "+className+"-group"),checkGeolocationSupport(this._setupUI),this._container},o.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map=void 0},o.prototype._onSuccess=function(t){this._map.jumpTo({center:[t.coords.longitude,t.coords.latitude],zoom:17,bearing:0,pitch:0}),this.fire("geolocate",t),this._finish()},o.prototype._onError=function(t){this.fire("error",t),this._finish()},o.prototype._finish=function(){this._timeoutId&&clearTimeout(this._timeoutId),this._timeoutId=void 0},o.prototype._setupUI=function(t){t!==!1&&(this._container.addEventListener("contextmenu",function(t){return t.preventDefault()}),this._geolocateButton=DOM.create("button",className+"-icon "+className+"-geolocate",this._container),this._geolocateButton.type="button",this._geolocateButton.setAttribute("aria-label","Geolocate"),this.options.watchPosition&&this._geolocateButton.setAttribute("aria-pressed",!1),this._geolocateButton.addEventListener("click",this._onClickGeolocate.bind(this)))},o.prototype._onClickGeolocate=function(){var t=util.extend(defaultGeoPositionOptions,this.options&&this.options.positionOptions||{});this.options.watchPosition?void 0!==this._geolocationWatchID?(this._geolocateButton.classList.remove("watching"),this._geolocateButton.setAttribute("aria-pressed",!1),window.navigator.geolocation.clearWatch(this._geolocationWatchID),this._geolocationWatchID=void 0):(this._geolocateButton.classList.add("watching"),this._geolocateButton.setAttribute("aria-pressed",!0),this._geolocationWatchID=window.navigator.geolocation.watchPosition(this._onSuccess,this._onError,t)):(window.navigator.geolocation.getCurrentPosition(this._onSuccess,this._onError,t),this._timeoutId=setTimeout(this._finish,1e4))},o}(Evented);module.exports=GeolocateControl;
-},{"../../util/dom":115,"../../util/evented":116,"../../util/util":127,"../../util/window":110}],93:[function(require,module,exports){
-"use strict";function copyMouseEvent(t){return new window.MouseEvent(t.type,{button:2,buttons:2,bubbles:!0,cancelable:!0,detail:t.detail,view:t.view,screenX:t.screenX,screenY:t.screenY,clientX:t.clientX,clientY:t.clientY,movementX:t.movementX,movementY:t.movementY,ctrlKey:t.ctrlKey,shiftKey:t.shiftKey,altKey:t.altKey,metaKey:t.metaKey})}var DOM=require("../../util/dom"),window=require("../../util/window"),util=require("../../util/util"),className="mapboxgl-ctrl",NavigationControl=function(){util.bindAll(["_rotateCompassArrow"],this)};NavigationControl.prototype._rotateCompassArrow=function(){var t="rotate("+this._map.transform.angle*(180/Math.PI)+"deg)";this._compassArrow.style.transform=t},NavigationControl.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div",className+" "+className+"-group",t.getContainer()),this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._zoomInButton=this._createButton(className+"-icon "+className+"-zoom-in","Zoom In",t.zoomIn.bind(t)),this._zoomOutButton=this._createButton(className+"-icon "+className+"-zoom-out","Zoom Out",t.zoomOut.bind(t)),this._compass=this._createButton(className+"-icon "+className+"-compass","Reset North",t.resetNorth.bind(t)),this._compassArrow=DOM.create("span","arrow",this._compass),this._compass.addEventListener("mousedown",this._onCompassDown.bind(this)),this._onCompassMove=this._onCompassMove.bind(this),this._onCompassUp=this._onCompassUp.bind(this),this._map.on("rotate",this._rotateCompassArrow),this._rotateCompassArrow(),this._container},NavigationControl.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("rotate",this._rotateCompassArrow),this._map=void 0},NavigationControl.prototype._onContextMenu=function(t){t.preventDefault()},NavigationControl.prototype._onCompassDown=function(t){0===t.button&&(DOM.disableDrag(),window.document.addEventListener("mousemove",this._onCompassMove),window.document.addEventListener("mouseup",this._onCompassUp),this._map.getCanvasContainer().dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},NavigationControl.prototype._onCompassMove=function(t){0===t.button&&(this._map.getCanvasContainer().dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},NavigationControl.prototype._onCompassUp=function(t){0===t.button&&(window.document.removeEventListener("mousemove",this._onCompassMove),window.document.removeEventListener("mouseup",this._onCompassUp),DOM.enableDrag(),this._map.getCanvasContainer().dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},NavigationControl.prototype._createButton=function(t,o,e){var n=DOM.create("button",t,this._container);return n.type="button",n.setAttribute("aria-label",o),n.addEventListener("click",function(){e()}),n},module.exports=NavigationControl;
-},{"../../util/dom":115,"../../util/util":127,"../../util/window":110}],94:[function(require,module,exports){
-"use strict";function updateScale(t,e,o){var n=o&&o.maxWidth||100,i=t._container.clientHeight/2,a=getDistance(t.unproject([0,i]),t.unproject([n,i]));if(o&&"imperial"===o.unit){var r=3.2808*a;if(r>5280){var l=r/5280;setScale(e,n,l,"mi")}else setScale(e,n,r,"ft")}else setScale(e,n,a,"m")}function setScale(t,e,o,n){var i=getRoundNum(o),a=i/o;"m"===n&&i>=1e3&&(i/=1e3,n="km"),t.style.width=e*a+"px",t.innerHTML=i+n}function getDistance(t,e){var o=6371e3,n=Math.PI/180,i=t.lat*n,a=e.lat*n,r=Math.sin(i)*Math.sin(a)+Math.cos(i)*Math.cos(a)*Math.cos((e.lng-t.lng)*n),l=o*Math.acos(Math.min(r,1));return l}function getRoundNum(t){var e=Math.pow(10,(""+Math.floor(t)).length-1),o=t/e;return o=o>=10?10:o>=5?5:o>=3?3:o>=2?2:1,e*o}var DOM=require("../../util/dom"),util=require("../../util/util"),ScaleControl=function(t){this.options=t,util.bindAll(["_onMove"],this)};ScaleControl.prototype.getDefaultPosition=function(){return"bottom-left"},ScaleControl.prototype._onMove=function(){updateScale(this._map,this._container,this.options)},ScaleControl.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div","mapboxgl-ctrl mapboxgl-ctrl-scale",t.getContainer()),this._map.on("move",this._onMove),this._onMove(),this._container},ScaleControl.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("move",this._onMove),this._map=void 0},module.exports=ScaleControl;
-},{"../../util/dom":115,"../../util/util":127}],95:[function(require,module,exports){
-"use strict";var DOM=require("../../util/dom"),LngLatBounds=require("../../geo/lng_lat_bounds"),util=require("../../util/util"),window=require("../../util/window"),BoxZoomHandler=function(o){this._map=o,this._el=o.getCanvasContainer(),this._container=o.getContainer(),util.bindAll(["_onMouseDown","_onMouseMove","_onMouseUp","_onKeyDown"],this)};BoxZoomHandler.prototype.isEnabled=function(){return!!this._enabled},BoxZoomHandler.prototype.isActive=function(){return!!this._active},BoxZoomHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onMouseDown,!1),this._enabled=!0)},BoxZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onMouseDown),this._enabled=!1)},BoxZoomHandler.prototype._onMouseDown=function(o){o.shiftKey&&0===o.button&&(window.document.addEventListener("mousemove",this._onMouseMove,!1),window.document.addEventListener("keydown",this._onKeyDown,!1),window.document.addEventListener("mouseup",this._onMouseUp,!1),DOM.disableDrag(),this._startPos=DOM.mousePos(this._el,o),this._active=!0)},BoxZoomHandler.prototype._onMouseMove=function(o){var e=this._startPos,t=DOM.mousePos(this._el,o);this._box||(this._box=DOM.create("div","mapboxgl-boxzoom",this._container),this._container.classList.add("mapboxgl-crosshair"),this._fireEvent("boxzoomstart",o));var n=Math.min(e.x,t.x),i=Math.max(e.x,t.x),s=Math.min(e.y,t.y),r=Math.max(e.y,t.y);DOM.setTransform(this._box,"translate("+n+"px,"+s+"px)"),this._box.style.width=i-n+"px",this._box.style.height=r-s+"px"},BoxZoomHandler.prototype._onMouseUp=function(o){if(0===o.button){var e=this._startPos,t=DOM.mousePos(this._el,o),n=(new LngLatBounds).extend(this._map.unproject(e)).extend(this._map.unproject(t));this._finish(),e.x===t.x&&e.y===t.y?this._fireEvent("boxzoomcancel",o):this._map.fitBounds(n,{linear:!0}).fire("boxzoomend",{originalEvent:o,boxZoomBounds:n})}},BoxZoomHandler.prototype._onKeyDown=function(o){27===o.keyCode&&(this._finish(),this._fireEvent("boxzoomcancel",o))},BoxZoomHandler.prototype._finish=function(){this._active=!1,window.document.removeEventListener("mousemove",this._onMouseMove,!1),window.document.removeEventListener("keydown",this._onKeyDown,!1),window.document.removeEventListener("mouseup",this._onMouseUp,!1),this._container.classList.remove("mapboxgl-crosshair"),this._box&&(this._box.parentNode.removeChild(this._box),this._box=null),DOM.enableDrag()},BoxZoomHandler.prototype._fireEvent=function(o,e){return this._map.fire(o,{originalEvent:e})},module.exports=BoxZoomHandler;
-},{"../../geo/lng_lat_bounds":20,"../../util/dom":115,"../../util/util":127,"../../util/window":110}],96:[function(require,module,exports){
-"use strict";var DoubleClickZoomHandler=function(o){this._map=o,this._onDblClick=this._onDblClick.bind(this)};DoubleClickZoomHandler.prototype.isEnabled=function(){return!!this._enabled},DoubleClickZoomHandler.prototype.enable=function(){this.isEnabled()||(this._map.on("dblclick",this._onDblClick),this._enabled=!0)},DoubleClickZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._map.off("dblclick",this._onDblClick),this._enabled=!1)},DoubleClickZoomHandler.prototype._onDblClick=function(o){this._map.zoomTo(this._map.getZoom()+(o.originalEvent.shiftKey?-1:1),{around:o.lngLat},o)},module.exports=DoubleClickZoomHandler;
-},{}],97:[function(require,module,exports){
-"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window"),inertiaLinearity=.3,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=1400,inertiaDeceleration=2500,DragPanHandler=function(t){this._map=t,this._el=t.getCanvasContainer(),util.bindAll(["_onDown","_onMove","_onUp","_onTouchEnd","_onMouseUp"],this)};DragPanHandler.prototype.isEnabled=function(){return!!this._enabled},DragPanHandler.prototype.isActive=function(){return!!this._active},DragPanHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._el.addEventListener("touchstart",this._onDown),this._enabled=!0)},DragPanHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._el.removeEventListener("touchstart",this._onDown),this._enabled=!1)},DragPanHandler.prototype._onDown=function(t){this._ignoreEvent(t)||this.isActive()||(t.touches?(window.document.addEventListener("touchmove",this._onMove),window.document.addEventListener("touchend",this._onTouchEnd)):(window.document.addEventListener("mousemove",this._onMove),window.document.addEventListener("mouseup",this._onMouseUp)),this._active=!1,this._startPos=this._pos=DOM.mousePos(this._el,t),this._inertia=[[Date.now(),this._pos]])},DragPanHandler.prototype._onMove=function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("dragstart",t),this._fireEvent("movestart",t));var e=DOM.mousePos(this._el,t),n=this._map;n.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),e]),n.transform.setLocationAtPoint(n.transform.pointLocation(this._pos),e),this._fireEvent("drag",t),this._fireEvent("move",t),this._pos=e,t.preventDefault()}},DragPanHandler.prototype._onUp=function(t){var e=this;if(this.isActive()){this._active=!1,this._fireEvent("dragend",t),this._drainInertiaBuffer();var n=function(){return e._fireEvent("moveend",t)},i=this._inertia;if(i.length<2)return void n();var o=i[i.length-1],r=i[0],a=o[1].sub(r[1]),s=(o[0]-r[0])/1e3;if(0===s||o[1].equals(r[1]))return void n();var u=a.mult(inertiaLinearity/s),h=u.mag();h>inertiaMaxSpeed&&(h=inertiaMaxSpeed,u._unit()._mult(h));var d=h/(inertiaDeceleration*inertiaLinearity),v=u.mult(-d/2);this._map.panBy(v,{duration:1e3*d,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},DragPanHandler.prototype._onMouseUp=function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener("mousemove",this._onMove),window.document.removeEventListener("mouseup",this._onMouseUp))},DragPanHandler.prototype._onTouchEnd=function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener("touchmove",this._onMove),window.document.removeEventListener("touchend",this._onTouchEnd))},DragPanHandler.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},DragPanHandler.prototype._ignoreEvent=function(t){var e=this._map;if(e.boxZoom&&e.boxZoom.isActive())return!0;if(e.dragRotate&&e.dragRotate.isActive())return!0;if(t.touches)return t.touches.length>1;if(t.ctrlKey)return!0;var n=1,i=0;return"mousemove"===t.type?t.buttons&0===n:t.button!==i},DragPanHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),n=160;t.length>0&&e-t[0][0]>n;)t.shift()},module.exports=DragPanHandler;
-},{"../../util/dom":115,"../../util/util":127,"../../util/window":110}],98:[function(require,module,exports){
-"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window"),inertiaLinearity=.25,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=180,inertiaDeceleration=720,DragRotateHandler=function(t,e){this._map=t,this._el=t.getCanvasContainer(),this._bearingSnap=e.bearingSnap,this._pitchWithRotate=e.pitchWithRotate!==!1,util.bindAll(["_onDown","_onMove","_onUp"],this)};DragRotateHandler.prototype.isEnabled=function(){return!!this._enabled},DragRotateHandler.prototype.isActive=function(){return!!this._active},DragRotateHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._enabled=!0)},DragRotateHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._enabled=!1)},DragRotateHandler.prototype._onDown=function(t){this._ignoreEvent(t)||this.isActive()||(window.document.addEventListener("mousemove",this._onMove),window.document.addEventListener("mouseup",this._onUp),this._active=!1,this._inertia=[[Date.now(),this._map.getBearing()]],this._startPos=this._pos=DOM.mousePos(this._el,t),this._center=this._map.transform.centerPoint,t.preventDefault())},DragRotateHandler.prototype._onMove=function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("rotatestart",t),this._fireEvent("movestart",t));var e=this._map;e.stop();var i=this._pos,n=DOM.mousePos(this._el,t),r=.8*(i.x-n.x),a=(i.y-n.y)*-.5,o=e.getBearing()-r,s=e.getPitch()-a,h=this._inertia,_=h[h.length-1];this._drainInertiaBuffer(),h.push([Date.now(),e._normalizeBearing(o,_[1])]),e.transform.bearing=o,this._pitchWithRotate&&(e.transform.pitch=s),this._fireEvent("rotate",t),this._fireEvent("move",t),this._pos=n}},DragRotateHandler.prototype._onUp=function(t){var e=this;if(!this._ignoreEvent(t)&&(window.document.removeEventListener("mousemove",this._onMove),window.document.removeEventListener("mouseup",this._onUp),this.isActive())){this._active=!1,this._fireEvent("rotateend",t),this._drainInertiaBuffer();var i=this._map,n=i.getBearing(),r=this._inertia,a=function(){Math.abs(n)<e._bearingSnap?i.resetNorth({noMoveStart:!0},{originalEvent:t}):e._fireEvent("moveend",t)};if(r.length<2)return void a();var o=r[0],s=r[r.length-1],h=r[r.length-2],_=i._normalizeBearing(n,h[1]),v=s[1]-o[1],u=v<0?-1:1,d=(s[0]-o[0])/1e3;if(0===v||0===d)return void a();var l=Math.abs(v*(inertiaLinearity/d));l>inertiaMaxSpeed&&(l=inertiaMaxSpeed);var p=l/(inertiaDeceleration*inertiaLinearity),g=u*l*(p/2);_+=g,Math.abs(i._normalizeBearing(_,0))<this._bearingSnap&&(_=i._normalizeBearing(0,_)),i.rotateTo(_,{duration:1e3*p,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},DragRotateHandler.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},DragRotateHandler.prototype._ignoreEvent=function(t){var e=this._map;if(e.boxZoom&&e.boxZoom.isActive())return!0;if(e.dragPan&&e.dragPan.isActive())return!0;if(t.touches)return t.touches.length>1;var i=t.ctrlKey?1:2,n=t.ctrlKey?0:2,r=t.button;return"undefined"!=typeof InstallTrigger&&2===t.button&&t.ctrlKey&&window.navigator.platform.toUpperCase().indexOf("MAC")>=0&&(r=0),"mousemove"===t.type?t.buttons&0===i:r!==n},DragRotateHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),i=160;t.length>0&&e-t[0][0]>i;)t.shift()},module.exports=DragRotateHandler;
-},{"../../util/dom":115,"../../util/util":127,"../../util/window":110}],99:[function(require,module,exports){
-"use strict";function easeOut(e){return e*(2-e)}var panStep=100,bearingStep=15,pitchStep=10,KeyboardHandler=function(e){this._map=e,this._el=e.getCanvasContainer(),this._onKeyDown=this._onKeyDown.bind(this)};KeyboardHandler.prototype.isEnabled=function(){return!!this._enabled},KeyboardHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("keydown",this._onKeyDown,!1),this._enabled=!0)},KeyboardHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("keydown",this._onKeyDown),this._enabled=!1)},KeyboardHandler.prototype._onKeyDown=function(e){if(!(e.altKey||e.ctrlKey||e.metaKey)){var t=0,n=0,a=0,i=0,r=0;switch(e.keyCode){case 61:case 107:case 171:case 187:t=1;break;case 189:case 109:case 173:t=-1;break;case 37:e.shiftKey?n=-1:(e.preventDefault(),i=-1);break;case 39:e.shiftKey?n=1:(e.preventDefault(),i=1);break;case 38:e.shiftKey?a=1:(e.preventDefault(),r=-1);break;case 40:e.shiftKey?a=-1:(r=1,e.preventDefault())}var s=this._map,o=s.getZoom(),d={duration:300,delayEndEvents:500,easing:easeOut,zoom:t?Math.round(o)+t*(e.shiftKey?2:1):o,bearing:s.getBearing()+n*bearingStep,pitch:s.getPitch()+a*pitchStep,offset:[-i*panStep,-r*panStep],center:s.getCenter()};s.easeTo(d,{originalEvent:e})}},module.exports=KeyboardHandler;
-},{}],100:[function(require,module,exports){
-"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),browser=require("../../util/browser"),window=require("../../util/window"),ua=window.navigator.userAgent.toLowerCase(),firefox=ua.indexOf("firefox")!==-1,safari=ua.indexOf("safari")!==-1&&ua.indexOf("chrom")===-1,ScrollZoomHandler=function(e){this._map=e,this._el=e.getCanvasContainer(),util.bindAll(["_onWheel","_onTimeout"],this)};ScrollZoomHandler.prototype.isEnabled=function(){return!!this._enabled},ScrollZoomHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("wheel",this._onWheel,!1),this._el.addEventListener("mousewheel",this._onWheel,!1),this._enabled=!0)},ScrollZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("wheel",this._onWheel),this._el.removeEventListener("mousewheel",this._onWheel),this._enabled=!1)},ScrollZoomHandler.prototype._onWheel=function(e){var t;"wheel"===e.type?(t=e.deltaY,firefox&&e.deltaMode===window.WheelEvent.DOM_DELTA_PIXEL&&(t/=browser.devicePixelRatio),e.deltaMode===window.WheelEvent.DOM_DELTA_LINE&&(t*=40)):"mousewheel"===e.type&&(t=-e.wheelDeltaY,safari&&(t/=3));var o=browser.now(),i=o-(this._time||0);this._pos=DOM.mousePos(this._el,e),this._time=o,0!==t&&t%4.000244140625===0?this._type="wheel":0!==t&&Math.abs(t)<4?this._type="trackpad":i>400?(this._type=null,this._lastValue=t,this._timeout=setTimeout(this._onTimeout,40)):this._type||(this._type=Math.abs(i*t)<200?"trackpad":"wheel",this._timeout&&(clearTimeout(this._timeout),this._timeout=null,t+=this._lastValue)),e.shiftKey&&t&&(t/=4),this._type&&this._zoom(-t,e),e.preventDefault()},ScrollZoomHandler.prototype._onTimeout=function(){this._type="wheel",this._zoom(-this._lastValue)},ScrollZoomHandler.prototype._zoom=function(e,t){if(0!==e){var o=this._map,i=2/(1+Math.exp(-Math.abs(e/100)));e<0&&0!==i&&(i=1/i);var l=o.ease?o.ease.to:o.transform.scale,s=o.transform.scaleZoom(l*i);o.zoomTo(s,{duration:"wheel"===this._type?200:0,around:o.unproject(this._pos),delayEndEvents:200,smoothEasing:!0},{originalEvent:t})}},module.exports=ScrollZoomHandler;
-},{"../../util/browser":108,"../../util/dom":115,"../../util/util":127,"../../util/window":110}],101:[function(require,module,exports){
-"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window"),inertiaLinearity=.15,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaDeceleration=12,inertiaMaxSpeed=2.5,significantScaleThreshold=.15,significantRotateThreshold=4,TouchZoomRotateHandler=function(t){this._map=t,this._el=t.getCanvasContainer(),util.bindAll(["_onStart","_onMove","_onEnd"],this)};TouchZoomRotateHandler.prototype.isEnabled=function(){return!!this._enabled},TouchZoomRotateHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("touchstart",this._onStart,!1),this._enabled=!0)},TouchZoomRotateHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("touchstart",this._onStart),this._enabled=!1)},TouchZoomRotateHandler.prototype.disableRotation=function(){this._rotationDisabled=!0},TouchZoomRotateHandler.prototype.enableRotation=function(){this._rotationDisabled=!1},TouchZoomRotateHandler.prototype._onStart=function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),i=DOM.mousePos(this._el,t.touches[1]);this._startVec=e.sub(i),this._startScale=this._map.transform.scale,this._startBearing=this._map.transform.bearing,this._gestureIntent=void 0,this._inertia=[],window.document.addEventListener("touchmove",this._onMove,!1),window.document.addEventListener("touchend",this._onEnd,!1)}},TouchZoomRotateHandler.prototype._onMove=function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),i=DOM.mousePos(this._el,t.touches[1]),o=e.add(i).div(2),n=e.sub(i),a=n.mag()/this._startVec.mag(),r=this._rotationDisabled?0:180*n.angleWith(this._startVec)/Math.PI,s=this._map;if(this._gestureIntent){var h={duration:0,around:s.unproject(o)};"rotate"===this._gestureIntent&&(h.bearing=this._startBearing+r),"zoom"!==this._gestureIntent&&"rotate"!==this._gestureIntent||(h.zoom=s.transform.scaleZoom(this._startScale*a)),s.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),a,o]),s.easeTo(h,{originalEvent:t})}else{var u=Math.abs(1-a)>significantScaleThreshold,l=Math.abs(r)>significantRotateThreshold;l?this._gestureIntent="rotate":u&&(this._gestureIntent="zoom"),this._gestureIntent&&(this._startVec=n,this._startScale=s.transform.scale,this._startBearing=s.transform.bearing)}t.preventDefault()}},TouchZoomRotateHandler.prototype._onEnd=function(t){window.document.removeEventListener("touchmove",this._onMove),window.document.removeEventListener("touchend",this._onEnd),this._drainInertiaBuffer();var e=this._inertia,i=this._map;if(e.length<2)return void i.snapToNorth({},{originalEvent:t});var o=e[e.length-1],n=e[0],a=i.transform.scaleZoom(this._startScale*o[1]),r=i.transform.scaleZoom(this._startScale*n[1]),s=a-r,h=(o[0]-n[0])/1e3,u=o[2];if(0===h||a===r)return void i.snapToNorth({},{originalEvent:t});var l=s*inertiaLinearity/h;Math.abs(l)>inertiaMaxSpeed&&(l=l>0?inertiaMaxSpeed:-inertiaMaxSpeed);var d=1e3*Math.abs(l/(inertiaDeceleration*inertiaLinearity)),c=a+l*d/2e3;c<0&&(c=0),i.easeTo({zoom:c,duration:d,easing:inertiaEasing,around:i.unproject(u)},{originalEvent:t})},TouchZoomRotateHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),i=160;t.length>2&&e-t[0][0]>i;)t.shift()},module.exports=TouchZoomRotateHandler;
-},{"../../util/dom":115,"../../util/util":127,"../../util/window":110}],102:[function(require,module,exports){
-"use strict";var util=require("../util/util"),window=require("../util/window"),Hash=function(){util.bindAll(["_onHashChange","_updateHash"],this)};Hash.prototype.addTo=function(t){return this._map=t,window.addEventListener("hashchange",this._onHashChange,!1),this._map.on("moveend",this._updateHash),this},Hash.prototype.remove=function(){return window.removeEventListener("hashchange",this._onHashChange,!1),this._map.off("moveend",this._updateHash),delete this._map,this},Hash.prototype._onHashChange=function(){var t=window.location.hash.replace("#","").split("/");return t.length>=3&&(this._map.jumpTo({center:[+t[2],+t[1]],zoom:+t[0],bearing:+(t[3]||0),pitch:+(t[4]||0)}),!0)},Hash.prototype._updateHash=function(){var t=this._map.getCenter(),e=this._map.getZoom(),a=this._map.getBearing(),h=this._map.getPitch(),i=Math.max(0,Math.ceil(Math.log(e)/Math.LN2)),n="#"+Math.round(100*e)/100+"/"+t.lat.toFixed(i)+"/"+t.lng.toFixed(i);(a||h)&&(n+="/"+Math.round(10*a)/10),h&&(n+="/"+Math.round(h)),window.history.replaceState("","",n)},module.exports=Hash;
-},{"../util/util":127,"../util/window":110}],103:[function(require,module,exports){
-"use strict";function removeNode(t){t.parentNode&&t.parentNode.removeChild(t)}var util=require("../util/util"),browser=require("../util/browser"),window=require("../util/window"),DOM=require("../util/dom"),Style=require("../style/style"),AnimationLoop=require("../style/animation_loop"),Painter=require("../render/painter"),Transform=require("../geo/transform"),Hash=require("./hash"),bindHandlers=require("./bind_handlers"),Camera=require("./camera"),LngLat=require("../geo/lng_lat"),LngLatBounds=require("../geo/lng_lat_bounds"),Point=require("point-geometry"),AttributionControl=require("./control/attribution_control"),isSupported=require("mapbox-gl-supported"),defaultMinZoom=0,defaultMaxZoom=20,defaultOptions={center:[0,0],zoom:0,bearing:0,pitch:0,minZoom:defaultMinZoom,maxZoom:defaultMaxZoom,interactive:!0,scrollZoom:!0,boxZoom:!0,dragRotate:!0,dragPan:!0,keyboard:!0,doubleClickZoom:!0,touchZoomRotate:!0,bearingSnap:7,hash:!1,attributionControl:!0,failIfMajorPerformanceCaveat:!1,preserveDrawingBuffer:!1,trackResize:!0},Map=function(t){function e(e){var i=this;e=util.extend({},defaultOptions,e);var o=new Transform(e.minZoom,e.maxZoom);if(t.call(this,o,e),this._interactive=e.interactive,this._failIfMajorPerformanceCaveat=e.failIfMajorPerformanceCaveat,this._preserveDrawingBuffer=e.preserveDrawingBuffer,this._trackResize=e.trackResize,this._bearingSnap=e.bearingSnap,"string"==typeof e.container){if(this._container=window.document.getElementById(e.container),!this._container)throw new Error("Container '"+e.container+"' not found.")}else this._container=e.container;this.animationLoop=new AnimationLoop,e.maxBounds&&this.setMaxBounds(e.maxBounds),util.bindAll(["_onWindowOnline","_onWindowResize","_contextLost","_contextRestored","_update","_render","_onData","_onDataLoading"],this),this._setupContainer(),this._setupPainter(),this.on("move",this._update.bind(this,!1)),this.on("zoom",this._update.bind(this,!0)),this.on("moveend",function(){i.animationLoop.set(300),i._rerender()}),"undefined"!=typeof window&&(window.addEventListener("online",this._onWindowOnline,!1),window.addEventListener("resize",this._onWindowResize,!1)),bindHandlers(this,e),this._hash=e.hash&&(new Hash).addTo(this),this._hash&&this._hash._onHashChange()||this.jumpTo({center:e.center,zoom:e.zoom,bearing:e.bearing,pitch:e.pitch}),this._classes=[],this.resize(),e.classes&&this.setClasses(e.classes),e.style&&this.setStyle(e.style),e.attributionControl&&this.addControl(new AttributionControl),this.on("style.load",function(){this.transform.unmodified&&this.jumpTo(this.style.stylesheet),this.style.update(this._classes,{transition:!1})}),this.on("data",this._onData),this.on("dataloading",this._onDataLoading)}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var i={showTileBoundaries:{},showCollisionBoxes:{},showOverdrawInspector:{},repaint:{},vertices:{}};return e.prototype.addControl=function(t,e){void 0===e&&t.getDefaultPosition&&(e=t.getDefaultPosition()),void 0===e&&(e="top-right");var i=t.onAdd(this),o=this._controlPositions[e];return e.indexOf("bottom")!==-1?o.insertBefore(i,o.firstChild):o.appendChild(i),this},e.prototype.removeControl=function(t){return t.onRemove(this),this},e.prototype.addClass=function(t,e){return this._classes.indexOf(t)>=0||""===t?this:(this._classes.push(t),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},e.prototype.removeClass=function(t,e){var i=this._classes.indexOf(t);return i<0||""===t?this:(this._classes.splice(i,1),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},e.prototype.setClasses=function(t,e){for(var i={},o=0;o<t.length;o++)""!==t[o]&&(i[t[o]]=!0);return this._classes=Object.keys(i),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0)},e.prototype.hasClass=function(t){return this._classes.indexOf(t)>=0},e.prototype.getClasses=function(){return this._classes},e.prototype.resize=function(){var t=this._containerDimensions(),e=t[0],i=t[1];return this._resizeCanvas(e,i),this.transform.resize(e,i),this.painter.resize(e,i),this.fire("movestart").fire("move").fire("resize").fire("moveend")},e.prototype.getBounds=function(){var t=new LngLatBounds(this.transform.pointLocation(new Point(0,this.transform.height)),this.transform.pointLocation(new Point(this.transform.width,0)));return(this.transform.angle||this.transform.pitch)&&(t.extend(this.transform.pointLocation(new Point(this.transform.size.x,0))),t.extend(this.transform.pointLocation(new Point(0,this.transform.size.y)))),t},e.prototype.setMaxBounds=function(t){if(t){var e=LngLatBounds.convert(t);this.transform.lngRange=[e.getWest(),e.getEast()],this.transform.latRange=[e.getSouth(),e.getNorth()],this.transform._constrain(),this._update()}else null!==t&&void 0!==t||(this.transform.lngRange=[],this.transform.latRange=[],this._update());return this},e.prototype.setMinZoom=function(t){if(t=null===t||void 0===t?defaultMinZoom:t,t>=defaultMinZoom&&t<=this.transform.maxZoom)return this.transform.minZoom=t,this._update(),this.getZoom()<t&&this.setZoom(t),this;throw new Error("minZoom must be between "+defaultMinZoom+" and the current maxZoom, inclusive")},e.prototype.getMinZoom=function(){return this.transform.minZoom},e.prototype.setMaxZoom=function(t){if(t=null===t||void 0===t?defaultMaxZoom:t,t>=this.transform.minZoom)return this.transform.maxZoom=t,this._update(),this.getZoom()>t&&this.setZoom(t),this;throw new Error("maxZoom must be greater than the current minZoom")},e.prototype.getMaxZoom=function(){return this.transform.maxZoom},e.prototype.project=function(t){return this.transform.locationPoint(LngLat.convert(t))},e.prototype.unproject=function(t){return this.transform.pointLocation(Point.convert(t))},e.prototype.queryRenderedFeatures=function(){function t(t){return t instanceof Point||Array.isArray(t)}var e,i={};return 2===arguments.length?(e=arguments[0],i=arguments[1]):1===arguments.length&&t(arguments[0])?e=arguments[0]:1===arguments.length&&(i=arguments[0]),this.style.queryRenderedFeatures(this._makeQueryGeometry(e),i,this.transform.zoom,this.transform.angle)},e.prototype._makeQueryGeometry=function(t){var e=this;void 0===t&&(t=[Point.convert([0,0]),Point.convert([this.transform.width,this.transform.height])]);var i,o=t instanceof Point||"number"==typeof t[0];if(o){var s=Point.convert(t);i=[s]}else{var r=[Point.convert(t[0]),Point.convert(t[1])];i=[r[0],new Point(r[1].x,r[0].y),r[1],new Point(r[0].x,r[1].y),r[0]]}return i=i.map(function(t){return e.transform.pointCoordinate(t)})},e.prototype.querySourceFeatures=function(t,e){return this.style.querySourceFeatures(t,e)},e.prototype.setStyle=function(t,e){var i=(!e||e.diff!==!1)&&this.style&&t&&!(t instanceof Style)&&"string"!=typeof t;if(i)try{return this.style.setState(t)&&this._update(!0),this}catch(t){util.warnOnce("Unable to perform style diff: "+(t.message||t.error||t)+".  Rebuilding the style from scratch.")}return this.style&&(this.style.setEventedParent(null),this.style._remove(),this.off("rotate",this.style._redoPlacement),this.off("pitch",this.style._redoPlacement)),t?(t instanceof Style?this.style=t:this.style=new Style(t,this),this.style.setEventedParent(this,{style:this.style}),this.on("rotate",this.style._redoPlacement),this.on("pitch",this.style._redoPlacement),this):(this.style=null,this)},e.prototype.getStyle=function(){if(this.style)return this.style.serialize()},e.prototype.addSource=function(t,e){return this.style.addSource(t,e),this._update(!0),this},e.prototype.addSourceType=function(t,e,i){return this.style.addSourceType(t,e,i)},e.prototype.removeSource=function(t){return this.style.removeSource(t),this._update(!0),this},e.prototype.getSource=function(t){return this.style.getSource(t)},e.prototype.addLayer=function(t,e){return this.style.addLayer(t,e),this._update(!0),this},e.prototype.moveLayer=function(t,e){return this.style.moveLayer(t,e),this._update(!0),this},e.prototype.removeLayer=function(t){return this.style.removeLayer(t),this._update(!0),this},e.prototype.getLayer=function(t){return this.style.getLayer(t)},e.prototype.setFilter=function(t,e){return this.style.setFilter(t,e),this._update(!0),this},e.prototype.setLayerZoomRange=function(t,e,i){return this.style.setLayerZoomRange(t,e,i),this._update(!0),this},e.prototype.getFilter=function(t){return this.style.getFilter(t)},e.prototype.setPaintProperty=function(t,e,i,o){return this.style.setPaintProperty(t,e,i,o),this._update(!0),this},e.prototype.getPaintProperty=function(t,e,i){return this.style.getPaintProperty(t,e,i)},e.prototype.setLayoutProperty=function(t,e,i){return this.style.setLayoutProperty(t,e,i),this._update(!0),this},e.prototype.getLayoutProperty=function(t,e){return this.style.getLayoutProperty(t,e)},e.prototype.setLight=function(t){return this.style.setLight(t),this._update(!0),this},e.prototype.getLight=function(){return this.style.getLight()},e.prototype.getContainer=function(){return this._container},e.prototype.getCanvasContainer=function(){return this._canvasContainer},e.prototype.getCanvas=function(){return this._canvas},e.prototype._containerDimensions=function(){var t=0,e=0;return this._container&&(t=this._container.offsetWidth||400,e=this._container.offsetHeight||300),[t,e]},e.prototype._setupContainer=function(){var t=this._container;t.classList.add("mapboxgl-map");var e=this._canvasContainer=DOM.create("div","mapboxgl-canvas-container",t);this._interactive&&e.classList.add("mapboxgl-interactive"),this._canvas=DOM.create("canvas","mapboxgl-canvas",e),this._canvas.style.position="absolute",this._canvas.addEventListener("webglcontextlost",this._contextLost,!1),this._canvas.addEventListener("webglcontextrestored",this._contextRestored,!1),this._canvas.setAttribute("tabindex",0),this._canvas.setAttribute("aria-label","Map");var i=this._containerDimensions();this._resizeCanvas(i[0],i[1]);var o=this._controlContainer=DOM.create("div","mapboxgl-control-container",t),s=this._controlPositions={};["top-left","top-right","bottom-left","bottom-right"].forEach(function(t){s[t]=DOM.create("div","mapboxgl-ctrl-"+t,o)})},e.prototype._resizeCanvas=function(t,e){var i=window.devicePixelRatio||1;this._canvas.width=i*t,this._canvas.height=i*e,this._canvas.style.width=t+"px",this._canvas.style.height=e+"px"},e.prototype._setupPainter=function(){var t=util.extend({failIfMajorPerformanceCaveat:this._failIfMajorPerformanceCaveat,preserveDrawingBuffer:this._preserveDrawingBuffer},isSupported.webGLContextAttributes),e=this._canvas.getContext("webgl",t)||this._canvas.getContext("experimental-webgl",t);return e?void(this.painter=new Painter(e,this.transform)):void this.fire("error",{error:new Error("Failed to initialize WebGL")})},e.prototype._contextLost=function(t){t.preventDefault(),this._frameId&&browser.cancelFrame(this._frameId),this.fire("webglcontextlost",{originalEvent:t})},e.prototype._contextRestored=function(t){this._setupPainter(),this.resize(),this._update(),this.fire("webglcontextrestored",{originalEvent:t})},e.prototype.loaded=function(){return!this._styleDirty&&!this._sourcesDirty&&!(!this.style||!this.style.loaded())},e.prototype._update=function(t){return this.style?(this._styleDirty=this._styleDirty||t,this._sourcesDirty=!0,this._rerender(),this):this},e.prototype._render=function(){return this.style&&this._styleDirty&&(this._styleDirty=!1,this.style.update(this._classes,this._classOptions),this._classOptions=null,this.style._recalculate(this.transform.zoom)),this.style&&this._sourcesDirty&&(this._sourcesDirty=!1,this.style._updateSources(this.transform)),this.painter.render(this.style,{showTileBoundaries:this.showTileBoundaries,showOverdrawInspector:this._showOverdrawInspector,rotating:this.rotating,zooming:this.zooming}),this.fire("render"),this.loaded()&&!this._loaded&&(this._loaded=!0,this.fire("load")),this._frameId=null,this.animationLoop.stopped()||(this._styleDirty=!0),(this._sourcesDirty||this._repaint||this._styleDirty)&&this._rerender(),this},e.prototype.remove=function(){this._hash&&this._hash.remove(),browser.cancelFrame(this._frameId),this.setStyle(null),"undefined"!=typeof window&&window.removeEventListener("resize",this._onWindowResize,!1);var t=this.painter.gl.getExtension("WEBGL_lose_context");t&&t.loseContext(),removeNode(this._canvasContainer),removeNode(this._controlContainer),this._container.classList.remove("mapboxgl-map"),this.fire("remove")},e.prototype._rerender=function(){this.style&&!this._frameId&&(this._frameId=browser.frame(this._render))},e.prototype._onWindowOnline=function(){this._update()},e.prototype._onWindowResize=function(){this._trackResize&&this.stop().resize()._update()},i.showTileBoundaries.get=function(){return!!this._showTileBoundaries},i.showTileBoundaries.set=function(t){this._showTileBoundaries!==t&&(this._showTileBoundaries=t,this._update())},i.showCollisionBoxes.get=function(){return!!this._showCollisionBoxes},i.showCollisionBoxes.set=function(t){this._showCollisionBoxes!==t&&(this._showCollisionBoxes=t,this.style._redoPlacement())},i.showOverdrawInspector.get=function(){return!!this._showOverdrawInspector},i.showOverdrawInspector.set=function(t){this._showOverdrawInspector!==t&&(this._showOverdrawInspector=t,this._update())},i.repaint.get=function(){return!!this._repaint},i.repaint.set=function(t){this._repaint=t,this._update()},i.vertices.get=function(){return!!this._vertices},i.vertices.set=function(t){this._vertices=t,this._update()},e.prototype._onData=function(t){this._update("style"===t.dataType),this.fire(t.dataType+"data",t)},e.prototype._onDataLoading=function(t){this.fire(t.dataType+"dataloading",t)},Object.defineProperties(e.prototype,i),e}(Camera);module.exports=Map;
-},{"../geo/lng_lat":19,"../geo/lng_lat_bounds":20,"../geo/transform":21,"../render/painter":36,"../style/animation_loop":57,"../style/style":61,"../util/browser":108,"../util/dom":115,"../util/util":127,"../util/window":110,"./bind_handlers":89,"./camera":90,"./control/attribution_control":91,"./hash":102,"mapbox-gl-supported":190,"point-geometry":194}],104:[function(require,module,exports){
-"use strict";var DOM=require("../util/dom"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),Marker=function(t,e){this._offset=Point.convert(e&&e.offset||[0,0]),this._update=this._update.bind(this),this._onMapClick=this._onMapClick.bind(this),t||(t=DOM.create("div")),t.classList.add("mapboxgl-marker"),this._element=t,this._popup=null};Marker.prototype.addTo=function(t){return this.remove(),this._map=t,t.getCanvasContainer().appendChild(this._element),t.on("move",this._update),t.on("moveend",this._update),this._update(),this._map.on("click",this._onMapClick),this},Marker.prototype.remove=function(){return this._map&&(this._map.off("click",this._onMapClick),this._map.off("move",this._update),this._map.off("moveend",this._update),this._map=null),DOM.remove(this._element),this._popup&&this._popup.remove(),this},Marker.prototype.getLngLat=function(){return this._lngLat},Marker.prototype.setLngLat=function(t){return this._lngLat=LngLat.convert(t),this._popup&&this._popup.setLngLat(this._lngLat),this._update(),this},Marker.prototype.getElement=function(){return this._element},Marker.prototype.setPopup=function(t){return this._popup&&(this._popup.remove(),this._popup=null),t&&(this._popup=t,this._popup.setLngLat(this._lngLat)),this},Marker.prototype._onMapClick=function(t){var e=t.originalEvent.target,p=this._element;this._popup&&(e===p||p.contains(e))&&this.togglePopup()},Marker.prototype.getPopup=function(){return this._popup},Marker.prototype.togglePopup=function(){var t=this._popup;t&&(t.isOpen()?t.remove():t.addTo(this._map))},Marker.prototype._update=function(t){if(this._map){var e=this._map.project(this._lngLat)._add(this._offset);t&&"moveend"!==t.type||(e=e.round()),DOM.setTransform(this._element,"translate("+e.x+"px, "+e.y+"px)")}},module.exports=Marker;
-},{"../geo/lng_lat":19,"../util/dom":115,"point-geometry":194}],105:[function(require,module,exports){
-"use strict";function normalizeOffset(t){if(t){if("number"==typeof t){var o=Math.round(Math.sqrt(.5*Math.pow(t,2)));return{top:new Point(0,t),"top-left":new Point(o,o),"top-right":new Point(-o,o),bottom:new Point(0,-t),"bottom-left":new Point(o,-o),"bottom-right":new Point(-o,-o),left:new Point(t,0),right:new Point(-t,0)}}if(isPointLike(t)){var e=Point.convert(t);return{top:e,"top-left":e,"top-right":e,bottom:e,"bottom-left":e,"bottom-right":e,left:e,right:e}}return{top:Point.convert(t.top||[0,0]),"top-left":Point.convert(t["top-left"]||[0,0]),"top-right":Point.convert(t["top-right"]||[0,0]),bottom:Point.convert(t.bottom||[0,0]),"bottom-left":Point.convert(t["bottom-left"]||[0,0]),"bottom-right":Point.convert(t["bottom-right"]||[0,0]),left:Point.convert(t.left||[0,0]),right:Point.convert(t.right||[0,0])}}return normalizeOffset(new Point(0,0))}function isPointLike(t){return t instanceof Point||Array.isArray(t)}var util=require("../util/util"),Evented=require("../util/evented"),DOM=require("../util/dom"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),window=require("../util/window"),defaultOptions={closeButton:!0,closeOnClick:!0},Popup=function(t){function o(o){t.call(this),this.options=util.extend(Object.create(defaultOptions),o),util.bindAll(["_update","_onClickClose"],this)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.addTo=function(t){return this._map=t,this._map.on("move",this._update),this.options.closeOnClick&&this._map.on("click",this._onClickClose),this._update(),this},o.prototype.isOpen=function(){return!!this._map},o.prototype.remove=function(){return this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._container&&(this._container.parentNode.removeChild(this._container),delete this._container),this._map&&(this._map.off("move",this._update),this._map.off("click",this._onClickClose),delete this._map),this.fire("close"),this},o.prototype.getLngLat=function(){return this._lngLat},o.prototype.setLngLat=function(t){return this._lngLat=LngLat.convert(t),this._update(),this},o.prototype.setText=function(t){return this.setDOMContent(window.document.createTextNode(t))},o.prototype.setHTML=function(t){var o,e=window.document.createDocumentFragment(),n=window.document.createElement("body");for(n.innerHTML=t;;){if(o=n.firstChild,!o)break;e.appendChild(o)}return this.setDOMContent(e)},o.prototype.setDOMContent=function(t){return this._createContent(),this._content.appendChild(t),this._update(),this},o.prototype._createContent=function(){this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._content=DOM.create("div","mapboxgl-popup-content",this._container),this.options.closeButton&&(this._closeButton=DOM.create("button","mapboxgl-popup-close-button",this._content),this._closeButton.type="button",this._closeButton.innerHTML="&#215;",this._closeButton.addEventListener("click",this._onClickClose))},o.prototype._update=function(){if(this._map&&this._lngLat&&this._content){this._container||(this._container=DOM.create("div","mapboxgl-popup",this._map.getContainer()),this._tip=DOM.create("div","mapboxgl-popup-tip",this._container),this._container.appendChild(this._content));var t=this.options.anchor,o=normalizeOffset(this.options.offset),e=this._map.project(this._lngLat).round();if(!t){var n=this._container.offsetWidth,i=this._container.offsetHeight;t=e.y+o.bottom.y<i?["top"]:e.y>this._map.transform.height-i?["bottom"]:[],e.x<n/2?t.push("left"):e.x>this._map.transform.width-n/2&&t.push("right"),t=0===t.length?"bottom":t.join("-")}var r=e.add(o[t]),s={top:"translate(-50%,0)","top-left":"translate(0,0)","top-right":"translate(-100%,0)",bottom:"translate(-50%,-100%)","bottom-left":"translate(0,-100%)","bottom-right":"translate(-100%,-100%)",left:"translate(0,-50%)",right:"translate(-100%,-50%)"},p=this._container.classList;for(var a in s)p.remove("mapboxgl-popup-anchor-"+a);p.add("mapboxgl-popup-anchor-"+t),DOM.setTransform(this._container,s[t]+" translate("+r.x+"px,"+r.y+"px)")}},o.prototype._onClickClose=function(){this.remove()},o}(Evented);module.exports=Popup;
-},{"../geo/lng_lat":19,"../util/dom":115,"../util/evented":116,"../util/util":127,"../util/window":110,"point-geometry":194}],106:[function(require,module,exports){
-"use strict";var Actor=function(t,e,a){this.target=t,this.parent=e,this.mapId=a,this.callbacks={},this.callbackID=0,this.receive=this.receive.bind(this),this.target.addEventListener("message",this.receive,!1)};Actor.prototype.send=function(t,e,a,r,s){var i=a?this.mapId+":"+this.callbackID++:null;a&&(this.callbacks[i]=a),this.target.postMessage({targetMapId:s,sourceMapId:this.mapId,type:t,id:String(i),data:e},r)},Actor.prototype.receive=function(t){var e,a=this,r=t.data,s=r.id;if(!r.targetMapId||this.mapId===r.targetMapId){var i=function(t,e,r){a.target.postMessage({sourceMapId:a.mapId,type:"<response>",id:String(s),error:t?String(t):null,data:e},r)};if("<response>"===r.type)e=this.callbacks[r.id],delete this.callbacks[r.id],e&&e(r.error||null,r.data);else if("undefined"!=typeof r.id&&this.parent[r.type])this.parent[r.type](r.sourceMapId,r.data,i);else if("undefined"!=typeof r.id&&this.parent.getWorkerSource){var p=r.type.split("."),d=this.parent.getWorkerSource(r.sourceMapId,p[0]);d[p[1]](r.data,i)}else this.parent[r.type](r.data)}},Actor.prototype.remove=function(){this.target.removeEventListener("message",this.receive,!1)},module.exports=Actor;
-},{}],107:[function(require,module,exports){
-"use strict";function sameOrigin(e){var n=window.document.createElement("a");return n.href=e,n.protocol===window.document.location.protocol&&n.host===window.document.location.host}var window=require("./window");exports.getJSON=function(e,n){var t=new window.XMLHttpRequest;return t.open("GET",e,!0),t.setRequestHeader("Accept","application/json"),t.onerror=function(e){n(e)},t.onload=function(){if(t.status>=200&&t.status<300&&t.response){var e;try{e=JSON.parse(t.response)}catch(e){return n(e)}n(null,e)}else n(new Error(t.statusText))},t.send(),t},exports.getArrayBuffer=function(e,n){var t=new window.XMLHttpRequest;return t.open("GET",e,!0),t.responseType="arraybuffer",t.onerror=function(e){n(e)},t.onload=function(){return 0===t.response.byteLength&&200===t.status?n(new Error("http status 200 returned without content.")):void(t.status>=200&&t.status<300&&t.response?n(null,t.response):n(new Error(t.statusText)))},t.send(),t};var transparentPngUrl="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVQYV2NgAAIAAAUAAarVyFEAAAAASUVORK5CYII=";exports.getImage=function(e,n){return exports.getArrayBuffer(e,function(e,t){if(e)return n(e);var r=new window.Image,o=window.URL||window.webkitURL;r.onload=function(){n(null,r),o.revokeObjectURL(r.src)};var s=new window.Blob([new Uint8Array(t)],{type:"image/png"});r.src=t.byteLength?o.createObjectURL(s):transparentPngUrl})},exports.getVideo=function(e,n){var t=window.document.createElement("video");t.onloadstart=function(){n(null,t)};for(var r=0;r<e.length;r++){var o=window.document.createElement("source");sameOrigin(e[r])||(t.crossOrigin="Anonymous"),o.src=e[r],t.appendChild(o)}return t};
-},{"./window":110}],108:[function(require,module,exports){
-"use strict";var window=require("./window");module.exports.now=function(){return window.performance&&window.performance.now?window.performance.now.bind(window.performance):Date.now.bind(Date)}();var frame=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame;exports.frame=function(e){return frame(e)};var cancel=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame;exports.cancelFrame=function(e){cancel(e)},exports.timed=function(e,n,t){function o(i){r||(i=module.exports.now(),i>=a+n?e.call(t,1):(e.call(t,(i-a)/n),exports.frame(o)))}if(!n)return e.call(t,1),null;var r=!1,a=module.exports.now();return exports.frame(o),function(){r=!0}},exports.getImageData=function(e){var n=window.document.createElement("canvas"),t=n.getContext("2d");return n.width=e.width,n.height=e.height,t.drawImage(e,0,0),t.getImageData(0,0,e.width,e.height).data},exports.supported=require("mapbox-gl-supported"),exports.hardwareConcurrency=window.navigator.hardwareConcurrency||4,Object.defineProperty(exports,"devicePixelRatio",{get:function(){return window.devicePixelRatio}}),exports.supportsWebp=!1;var webpImgTest=window.document.createElement("img");webpImgTest.onload=function(){exports.supportsWebp=!0},webpImgTest.src="data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAQAAAAfQ//73v/+BiOh/AAA=";
-},{"./window":110,"mapbox-gl-supported":190}],109:[function(require,module,exports){
-"use strict";var WebWorkify=require("webworkify"),window=require("../window"),workerURL=window.URL.createObjectURL(new WebWorkify(require("../../source/worker"),{bare:!0}));module.exports=function(){return new window.Worker(workerURL)};
-},{"../../source/worker":55,"../window":110,"webworkify":211}],110:[function(require,module,exports){
-"use strict";module.exports=self;
-},{}],111:[function(require,module,exports){
-"use strict";function compareAreas(e,r){return r.area-e.area}var quickselect=require("quickselect"),calculateSignedArea=require("./util").calculateSignedArea;module.exports=function(e,r){var a=e.length;if(a<=1)return[e];for(var t,u,c=[],i=0;i<a;i++){var l=calculateSignedArea(e[i]);0!==l&&(e[i].area=Math.abs(l),void 0===u&&(u=l<0),u===l<0?(t&&c.push(t),t=[e[i]]):t.push(e[i]))}if(t&&c.push(t),r>1)for(var n=0;n<c.length;n++)c[n].length<=r||(quickselect(c[n],r,1,c[n].length-1,compareAreas),c[n]=c[n].slice(0,r));return c};
-},{"./util":127,"quickselect":196}],112:[function(require,module,exports){
-"use strict";var config={API_URL:"https://api.mapbox.com",REQUIRE_ACCESS_TOKEN:!0,ACCESS_TOKEN:null};module.exports=config;
-},{}],113:[function(require,module,exports){
-"use strict";var DictionaryCoder=function(r){var t=this;this._stringToNumber={},this._numberToString=[];for(var o=0;o<r.length;o++){var i=r[o];t._stringToNumber[i]=o,t._numberToString[o]=i}};DictionaryCoder.prototype.encode=function(r){return this._stringToNumber[r]},DictionaryCoder.prototype.decode=function(r){return this._numberToString[r]},module.exports=DictionaryCoder;
-},{}],114:[function(require,module,exports){
-"use strict";var util=require("./util"),Actor=require("./actor"),Dispatcher=function(t,r){var o=this;this.workerPool=t,this.actors=[],this.currentActor=0,this.id=util.uniqueId();for(var i=this.workerPool.acquire(this.id),e=0;e<i.length;e++){var s=i[e],c=new Actor(s,r,o.id);c.name="Worker "+e,o.actors.push(c)}};Dispatcher.prototype.broadcast=function(t,r,o){o=o||function(){},util.asyncAll(this.actors,function(o,i){o.send(t,r,i)},o)},Dispatcher.prototype.send=function(t,r,o,i,e){return("number"!=typeof i||isNaN(i))&&(i=this.currentActor=(this.currentActor+1)%this.actors.length),this.actors[i].send(t,r,o,e),i},Dispatcher.prototype.remove=function(){this.actors.forEach(function(t){t.remove()}),this.actors=[],this.workerPool.release(this.id)},module.exports=Dispatcher;
-},{"./actor":106,"./util":127}],115:[function(require,module,exports){
-"use strict";function testProp(e){for(var t=0;t<e.length;t++)if(e[t]in docStyle)return e[t];return e[0]}function suppressClick(e){e.preventDefault(),e.stopPropagation(),window.removeEventListener("click",suppressClick,!0)}var Point=require("point-geometry"),window=require("./window");exports.create=function(e,t,o){var n=window.document.createElement(e);return t&&(n.className=t),o&&o.appendChild(n),n};var docStyle=window.document.documentElement.style,selectProp=testProp(["userSelect","MozUserSelect","WebkitUserSelect","msUserSelect"]),userSelect;exports.disableDrag=function(){selectProp&&(userSelect=docStyle[selectProp],docStyle[selectProp]="none")},exports.enableDrag=function(){selectProp&&(docStyle[selectProp]=userSelect)};var transformProp=testProp(["transform","WebkitTransform"]);exports.setTransform=function(e,t){e.style[transformProp]=t},exports.suppressClick=function(){window.addEventListener("click",suppressClick,!0),window.setTimeout(function(){window.removeEventListener("click",suppressClick,!0)},0)},exports.mousePos=function(e,t){var o=e.getBoundingClientRect();return t=t.touches?t.touches[0]:t,new Point(t.clientX-o.left-e.clientLeft,t.clientY-o.top-e.clientTop)},exports.touchPos=function(e,t){for(var o=e.getBoundingClientRect(),n=[],r="touchend"===t.type?t.changedTouches:t.touches,s=0;s<r.length;s++)n.push(new Point(r[s].clientX-o.left-e.clientLeft,r[s].clientY-o.top-e.clientTop));return n},exports.remove=function(e){e.parentNode&&e.parentNode.removeChild(e)};
-},{"./window":110,"point-geometry":194}],116:[function(require,module,exports){
-"use strict";var util=require("./util"),Evented=function(){};Evented.prototype.on=function(e,t){return this._listeners=this._listeners||{},this._listeners[e]=this._listeners[e]||[],this._listeners[e].push(t),this},Evented.prototype.off=function(e,t){if(this._listeners&&this._listeners[e]){var n=this._listeners[e].indexOf(t);n!==-1&&this._listeners[e].splice(n,1)}return this},Evented.prototype.once=function(e,t){var n=this,s=function(i){n.off(e,s),t.call(n,i)};return this.on(e,s),this},Evented.prototype.fire=function(e,t){var n=this;if(this.listens(e)){t=util.extend({},t,{type:e,target:this});for(var s=this._listeners&&this._listeners[e]?this._listeners[e].slice():[],i=0;i<s.length;i++)s[i].call(n,t);this._eventedParent&&this._eventedParent.fire(e,util.extend({},t,this._eventedParentData))}else util.endsWith(e,"error")&&console.error(t&&t.error||t||"Empty error event");return this},Evented.prototype.listens=function(e){return this._listeners&&this._listeners[e]||this._eventedParent&&this._eventedParent.listens(e)},Evented.prototype.setEventedParent=function(e,t){return this._eventedParent=e,this._eventedParentData="function"==typeof t?t():t,this},module.exports=Evented;
-},{"./util":127}],117:[function(require,module,exports){
-"use strict";function compareMax(e,t){return t.max-e.max}function Cell(e,t,n,r){this.p=new Point(e,t),this.h=n,this.d=pointToPolygonDist(this.p,r),this.max=this.d+this.h*Math.SQRT2}function pointToPolygonDist(e,t){for(var n=!1,r=1/0,o=0;o<t.length;o++)for(var l=t[o],i=0,s=l.length,u=s-1;i<s;u=i++){var a=l[i],h=l[u];a.y>e.y!=h.y>e.y&&e.x<(h.x-a.x)*(e.y-a.y)/(h.y-a.y)+a.x&&(n=!n),r=Math.min(r,distToSegmentSquared(e,a,h))}return(n?1:-1)*Math.sqrt(r)}function getCentroidCell(e){for(var t=0,n=0,r=0,o=e[0],l=0,i=o.length,s=i-1;l<i;s=l++){var u=o[l],a=o[s],h=u.x*a.y-a.x*u.y;n+=(u.x+a.x)*h,r+=(u.y+a.y)*h,t+=3*h}return new Cell(n/t,r/t,0,e)}var Queue=require("tinyqueue"),Point=require("point-geometry"),distToSegmentSquared=require("./intersection_tests").distToSegmentSquared;module.exports=function(e,t,n){t=t||1;for(var r,o,l,i,s=e[0],u=0;u<s.length;u++){var a=s[u];(!u||a.x<r)&&(r=a.x),(!u||a.y<o)&&(o=a.y),(!u||a.x>l)&&(l=a.x),(!u||a.y>i)&&(i=a.y)}for(var h=l-r,p=i-o,y=Math.min(h,p),x=y/2,d=new Queue(null,compareMax),g=r;g<l;g+=y)for(var f=o;f<i;f+=y)d.push(new Cell(g+x,f+x,x,e));for(var m=getCentroidCell(e),c=d.length;d.length;){var v=d.pop();v.d>m.d&&(m=v,n&&console.log("found best %d after %d probes",Math.round(1e4*v.d)/1e4,c)),v.max-m.d<=t||(x=v.h/2,d.push(new Cell(v.p.x-x,v.p.y-x,x,e)),d.push(new Cell(v.p.x+x,v.p.y-x,x,e)),d.push(new Cell(v.p.x-x,v.p.y+x,x,e)),d.push(new Cell(v.p.x+x,v.p.y+x,x,e)),c+=4)}return n&&(console.log("num probes: "+c),console.log("best distance: "+m.d)),m.p};
-},{"./intersection_tests":120,"point-geometry":194,"tinyqueue":199}],118:[function(require,module,exports){
-"use strict";function Glyphs(a,e){this.stacks=a.readFields(readFontstacks,[],e)}function readFontstacks(a,e,r){if(1===a){var t=r.readMessage(readFontstack,{glyphs:{}});e.push(t)}}function readFontstack(a,e,r){if(1===a)e.name=r.readString();else if(2===a)e.range=r.readString();else if(3===a){var t=r.readMessage(readGlyph,{});e.glyphs[t.id]=t}}function readGlyph(a,e,r){1===a?e.id=r.readVarint():2===a?e.bitmap=r.readBytes():3===a?e.width=r.readVarint():4===a?e.height=r.readVarint():5===a?e.left=r.readSVarint():6===a?e.top=r.readSVarint():7===a&&(e.advance=r.readVarint())}module.exports=Glyphs;
-},{}],119:[function(require,module,exports){
-"use strict";function interpolate(t,e,n){return t*(1-n)+e*n}module.exports=interpolate,interpolate.number=interpolate,interpolate.vec2=function(t,e,n){return[interpolate(t[0],e[0],n),interpolate(t[1],e[1],n)]},interpolate.color=function(t,e,n){return[interpolate(t[0],e[0],n),interpolate(t[1],e[1],n),interpolate(t[2],e[2],n),interpolate(t[3],e[3],n)]},interpolate.array=function(t,e,n){return t.map(function(t,r){return interpolate(t,e[r],n)})};
-},{}],120:[function(require,module,exports){
-"use strict";function polygonIntersectsPolygon(n,t){for(var e=0;e<n.length;e++)if(polygonContainsPoint(t,n[e]))return!0;for(var r=0;r<t.length;r++)if(polygonContainsPoint(n,t[r]))return!0;return!!lineIntersectsLine(n,t)}function multiPolygonIntersectsBufferedMultiPoint(n,t,e){for(var r=0;r<n.length;r++)for(var o=n[r],i=0;i<t.length;i++)for(var l=t[i],u=0;u<l.length;u++){var s=l[u];if(polygonContainsPoint(o,s))return!0;if(pointIntersectsBufferedLine(s,o,e))return!0}return!1}function multiPolygonIntersectsMultiPolygon(n,t){if(1===n.length&&1===n[0].length)return multiPolygonContainsPoint(t,n[0][0]);for(var e=0;e<t.length;e++)for(var r=t[e],o=0;o<r.length;o++)if(multiPolygonContainsPoint(n,r[o]))return!0;for(var i=0;i<n.length;i++){for(var l=n[i],u=0;u<l.length;u++)if(multiPolygonContainsPoint(t,l[u]))return!0;for(var s=0;s<t.length;s++)if(lineIntersectsLine(l,t[s]))return!0}return!1}function multiPolygonIntersectsBufferedMultiLine(n,t,e){for(var r=0;r<t.length;r++)for(var o=t[r],i=0;i<n.length;i++){var l=n[i];if(l.length>=3)for(var u=0;u<o.length;u++)if(polygonContainsPoint(l,o[u]))return!0;if(lineIntersectsBufferedLine(l,o,e))return!0}return!1}function lineIntersectsBufferedLine(n,t,e){if(n.length>1){if(lineIntersectsLine(n,t))return!0;for(var r=0;r<t.length;r++)if(pointIntersectsBufferedLine(t[r],n,e))return!0}for(var o=0;o<n.length;o++)if(pointIntersectsBufferedLine(n[o],t,e))return!0;return!1}function lineIntersectsLine(n,t){if(0===n.length||0===t.length)return!1;for(var e=0;e<n.length-1;e++)for(var r=n[e],o=n[e+1],i=0;i<t.length-1;i++){var l=t[i],u=t[i+1];if(lineSegmentIntersectsLineSegment(r,o,l,u))return!0}return!1}function lineSegmentIntersectsLineSegment(n,t,e,r){return isCounterClockwise(n,e,r)!==isCounterClockwise(t,e,r)&&isCounterClockwise(n,t,e)!==isCounterClockwise(n,t,r)}function pointIntersectsBufferedLine(n,t,e){var r=e*e;if(1===t.length)return n.distSqr(t[0])<r;for(var o=1;o<t.length;o++){var i=t[o-1],l=t[o];if(distToSegmentSquared(n,i,l)<r)return!0}return!1}function distToSegmentSquared(n,t,e){var r=t.distSqr(e);if(0===r)return n.distSqr(t);var o=((n.x-t.x)*(e.x-t.x)+(n.y-t.y)*(e.y-t.y))/r;return o<0?n.distSqr(t):o>1?n.distSqr(e):n.distSqr(e.sub(t)._mult(o)._add(t))}function multiPolygonContainsPoint(n,t){for(var e,r,o,i=!1,l=0;l<n.length;l++){e=n[l];for(var u=0,s=e.length-1;u<e.length;s=u++)r=e[u],o=e[s],r.y>t.y!=o.y>t.y&&t.x<(o.x-r.x)*(t.y-r.y)/(o.y-r.y)+r.x&&(i=!i)}return i}function polygonContainsPoint(n,t){for(var e=!1,r=0,o=n.length-1;r<n.length;o=r++){var i=n[r],l=n[o];i.y>t.y!=l.y>t.y&&t.x<(l.x-i.x)*(t.y-i.y)/(l.y-i.y)+i.x&&(e=!e)}return e}var isCounterClockwise=require("./util").isCounterClockwise;module.exports={multiPolygonIntersectsBufferedMultiPoint:multiPolygonIntersectsBufferedMultiPoint,multiPolygonIntersectsMultiPolygon:multiPolygonIntersectsMultiPolygon,multiPolygonIntersectsBufferedMultiLine:multiPolygonIntersectsBufferedMultiLine,polygonIntersectsPolygon:polygonIntersectsPolygon,distToSegmentSquared:distToSegmentSquared};
-},{"./util":127}],121:[function(require,module,exports){
-"use strict";var unicodeBlockLookup={"Latin-1 Supplement":function(n){return n>=128&&n<=255},"Hangul Jamo":function(n){return n>=4352&&n<=4607},"Unified Canadian Aboriginal Syllabics":function(n){return n>=5120&&n<=5759},"Unified Canadian Aboriginal Syllabics Extended":function(n){return n>=6320&&n<=6399},"General Punctuation":function(n){return n>=8192&&n<=8303},"Letterlike Symbols":function(n){return n>=8448&&n<=8527},"Number Forms":function(n){return n>=8528&&n<=8591},"Miscellaneous Technical":function(n){return n>=8960&&n<=9215},"Control Pictures":function(n){return n>=9216&&n<=9279},"Optical Character Recognition":function(n){return n>=9280&&n<=9311},"Enclosed Alphanumerics":function(n){return n>=9312&&n<=9471},"Geometric Shapes":function(n){return n>=9632&&n<=9727},"Miscellaneous Symbols":function(n){return n>=9728&&n<=9983},"Miscellaneous Symbols and Arrows":function(n){return n>=11008&&n<=11263},"CJK Radicals Supplement":function(n){return n>=11904&&n<=12031},"Kangxi Radicals":function(n){return n>=12032&&n<=12255},"Ideographic Description Characters":function(n){return n>=12272&&n<=12287},"CJK Symbols and Punctuation":function(n){return n>=12288&&n<=12351},Hiragana:function(n){return n>=12352&&n<=12447},Katakana:function(n){return n>=12448&&n<=12543},Bopomofo:function(n){return n>=12544&&n<=12591},"Hangul Compatibility Jamo":function(n){return n>=12592&&n<=12687},Kanbun:function(n){return n>=12688&&n<=12703},"Bopomofo Extended":function(n){return n>=12704&&n<=12735},"CJK Strokes":function(n){return n>=12736&&n<=12783},"Katakana Phonetic Extensions":function(n){return n>=12784&&n<=12799},"Enclosed CJK Letters and Months":function(n){return n>=12800&&n<=13055},"CJK Compatibility":function(n){return n>=13056&&n<=13311},"CJK Unified Ideographs Extension A":function(n){return n>=13312&&n<=19903},"Yijing Hexagram Symbols":function(n){return n>=19904&&n<=19967},"CJK Unified Ideographs":function(n){return n>=19968&&n<=40959},"Yi Syllables":function(n){return n>=40960&&n<=42127},"Yi Radicals":function(n){return n>=42128&&n<=42191},"Hangul Jamo Extended-A":function(n){return n>=43360&&n<=43391},"Hangul Syllables":function(n){return n>=44032&&n<=55215},"Hangul Jamo Extended-B":function(n){return n>=55216&&n<=55295},"Private Use Area":function(n){return n>=57344&&n<=63743},"CJK Compatibility Ideographs":function(n){return n>=63744&&n<=64255},"Vertical Forms":function(n){return n>=65040&&n<=65055},"CJK Compatibility Forms":function(n){return n>=65072&&n<=65103},"Small Form Variants":function(n){return n>=65104&&n<=65135},"Halfwidth and Fullwidth Forms":function(n){return n>=65280&&n<=65519}};module.exports=unicodeBlockLookup;
-},{}],122:[function(require,module,exports){
-"use strict";var LRUCache=function(t,e){this.max=t,this.onRemove=e,this.reset()};LRUCache.prototype.reset=function(){var t=this;for(var e in this.data)t.onRemove(t.data[e]);return this.data={},this.order=[],this},LRUCache.prototype.add=function(t,e){if(this.has(t))this.order.splice(this.order.indexOf(t),1),this.data[t]=e,this.order.push(t);else if(this.data[t]=e,this.order.push(t),this.order.length>this.max){var r=this.get(this.order[0]);r&&this.onRemove(r)}return this},LRUCache.prototype.has=function(t){return t in this.data},LRUCache.prototype.keys=function(){return this.order},LRUCache.prototype.get=function(t){if(!this.has(t))return null;var e=this.data[t];return delete this.data[t],this.order.splice(this.order.indexOf(t),1),e},LRUCache.prototype.setMaxSize=function(t){var e=this;for(this.max=t;this.order.length>this.max;){var r=e.get(e.order[0]);r&&e.onRemove(r)}return this},module.exports=LRUCache;
-},{}],123:[function(require,module,exports){
-"use strict";function makeAPIURL(r,e){var t=parseUrl(config.API_URL);if(r.protocol=t.protocol,r.authority=t.authority,!config.REQUIRE_ACCESS_TOKEN)return formatUrl(r);if(e=e||config.ACCESS_TOKEN,!e)throw new Error("An API access token is required to use Mapbox GL. "+help);if("s"===e[0])throw new Error("Use a public access token (pk.*) with Mapbox GL, not a secret access token (sk.*). "+help);return r.params.push("access_token="+e),formatUrl(r)}function isMapboxURL(r){return 0===r.indexOf("mapbox:")}function replaceTempAccessToken(r){for(var e=0;e<r.length;e++)0===r[e].indexOf("access_token=tk.")&&(r[e]="access_token="+(config.ACCESS_TOKEN||""))}function parseUrl(r){var e=r.match(urlRe);if(!e)throw new Error("Unable to parse URL object");return{protocol:e[1],authority:e[2],path:e[3]||"/",params:e[4]?e[4].split("&"):[]}}function formatUrl(r){var e=r.params.length?"?"+r.params.join("&"):"";return r.protocol+"://"+r.authority+r.path+e}var config=require("./config"),browser=require("./browser"),help="See https://www.mapbox.com/developers/api/#access-tokens";exports.isMapboxURL=isMapboxURL,exports.normalizeStyleURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/styles/v1"+t.path,makeAPIURL(t,e)},exports.normalizeGlyphsURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/fonts/v1"+t.path,makeAPIURL(t,e)},exports.normalizeSourceURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/v4/"+t.authority+".json",t.params.push("secure"),makeAPIURL(t,e)},exports.normalizeSpriteURL=function(r,e,t,o){var a=parseUrl(r);return isMapboxURL(r)?(a.path="/styles/v1"+a.path+"/sprite"+e+t,makeAPIURL(a,o)):(a.path+=""+e+t,formatUrl(a))};var imageExtensionRe=/(\.(png|jpg)\d*)(?=$)/;exports.normalizeTileURL=function(r,e,t){if(!e||!isMapboxURL(e))return r;var o=parseUrl(r),a=browser.devicePixelRatio>=2||512===t?"@2x":"",s=browser.supportsWebp?".webp":"$1";return o.path=o.path.replace(imageExtensionRe,""+a+s),replaceTempAccessToken(o.params),formatUrl(o)};var urlRe=/^(\w+):\/\/([^\/?]+)(\/[^?]+)?\??(.+)?/;
-},{"./browser":108,"./config":112}],124:[function(require,module,exports){
-"use strict";var isChar=require("./is_char_in_unicode_block");module.exports.allowsIdeographicBreaking=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(!exports.charAllowsIdeographicBreaking(s.charCodeAt(0)))return!1}return!0},module.exports.allowsVerticalWritingMode=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(exports.charHasUprightVerticalOrientation(s.charCodeAt(0)))return!0}return!1},module.exports.charAllowsIdeographicBreaking=function(a){return!(a<11904)&&(!!isChar["Bopomofo Extended"](a)||(!!isChar.Bopomofo(a)||(!!isChar["CJK Compatibility Forms"](a)||(!!isChar["CJK Compatibility Ideographs"](a)||(!!isChar["CJK Compatibility"](a)||(!!isChar["CJK Radicals Supplement"](a)||(!!isChar["CJK Strokes"](a)||(!!isChar["CJK Symbols and Punctuation"](a)||(!!isChar["CJK Unified Ideographs Extension A"](a)||(!!isChar["CJK Unified Ideographs"](a)||(!!isChar["Enclosed CJK Letters and Months"](a)||(!!isChar["Halfwidth and Fullwidth Forms"](a)||(!!isChar.Hiragana(a)||(!!isChar["Ideographic Description Characters"](a)||(!!isChar["Kangxi Radicals"](a)||(!!isChar["Katakana Phonetic Extensions"](a)||(!!isChar.Katakana(a)||(!!isChar["Vertical Forms"](a)||(!!isChar["Yi Radicals"](a)||!!isChar["Yi Syllables"](a))))))))))))))))))))},exports.charHasUprightVerticalOrientation=function(a){return 746===a||747===a||!(a<4352)&&(!!isChar["Bopomofo Extended"](a)||(!!isChar.Bopomofo(a)||(!(!isChar["CJK Compatibility Forms"](a)||a>=65097&&a<=65103)||(!!isChar["CJK Compatibility Ideographs"](a)||(!!isChar["CJK Compatibility"](a)||(!!isChar["CJK Radicals Supplement"](a)||(!!isChar["CJK Strokes"](a)||(!(!isChar["CJK Symbols and Punctuation"](a)||a>=12296&&a<=12305||a>=12308&&a<=12319||12336===a)||(!!isChar["CJK Unified Ideographs Extension A"](a)||(!!isChar["CJK Unified Ideographs"](a)||(!!isChar["Enclosed CJK Letters and Months"](a)||(!!isChar["Hangul Compatibility Jamo"](a)||(!!isChar["Hangul Jamo Extended-A"](a)||(!!isChar["Hangul Jamo Extended-B"](a)||(!!isChar["Hangul Jamo"](a)||(!!isChar["Hangul Syllables"](a)||(!!isChar.Hiragana(a)||(!!isChar["Ideographic Description Characters"](a)||(!!isChar.Kanbun(a)||(!!isChar["Kangxi Radicals"](a)||(!!isChar["Katakana Phonetic Extensions"](a)||(!(!isChar.Katakana(a)||12540===a)||(!(!isChar["Halfwidth and Fullwidth Forms"](a)||65288===a||65289===a||65293===a||a>=65306&&a<=65310||65339===a||65341===a||65343===a||a>=65371&&a<=65503||65507===a||a>=65512&&a<=65519)||(!(!isChar["Small Form Variants"](a)||a>=65112&&a<=65118||a>=65123&&a<=65126)||(!!isChar["Unified Canadian Aboriginal Syllabics"](a)||(!!isChar["Unified Canadian Aboriginal Syllabics Extended"](a)||(!!isChar["Vertical Forms"](a)||(!!isChar["Yijing Hexagram Symbols"](a)||(!!isChar["Yi Syllables"](a)||!!isChar["Yi Radicals"](a))))))))))))))))))))))))))))))},exports.charHasNeutralVerticalOrientation=function(a){return!(!isChar["Latin-1 Supplement"](a)||167!==a&&169!==a&&174!==a&&177!==a&&188!==a&&189!==a&&190!==a&&215!==a&&247!==a)||(!(!isChar["General Punctuation"](a)||8214!==a&&8224!==a&&8225!==a&&8240!==a&&8241!==a&&8251!==a&&8252!==a&&8258!==a&&8263!==a&&8264!==a&&8265!==a&&8273!==a)||(!!isChar["Letterlike Symbols"](a)||(!!isChar["Number Forms"](a)||(!(!isChar["Miscellaneous Technical"](a)||!(a>=8960&&a<=8967||a>=8972&&a<=8991||a>=8996&&a<=9e3||9003===a||a>=9085&&a<=9114||a>=9150&&a<=9165||9167===a||a>=9169&&a<=9179||a>=9186&&a<=9215))||(!(!isChar["Control Pictures"](a)||9251===a)||(!!isChar["Optical Character Recognition"](a)||(!!isChar["Enclosed Alphanumerics"](a)||(!!isChar["Geometric Shapes"](a)||(!(!isChar["Miscellaneous Symbols"](a)||a>=9754&&a<=9759)||(!(!isChar["Miscellaneous Symbols and Arrows"](a)||!(a>=11026&&a<=11055||a>=11088&&a<=11097||a>=11192&&a<=11243))||(!!isChar["CJK Symbols and Punctuation"](a)||(!!isChar.Katakana(a)||(!!isChar["Private Use Area"](a)||(!!isChar["CJK Compatibility Forms"](a)||(!!isChar["Small Form Variants"](a)||(!!isChar["Halfwidth and Fullwidth Forms"](a)||(8734===a||8756===a||8757===a||a>=9984&&a<=10087||a>=10102&&a<=10131||65532===a||65533===a)))))))))))))))))},exports.charHasRotatedVerticalOrientation=function(a){return!(exports.charHasUprightVerticalOrientation(a)||exports.charHasNeutralVerticalOrientation(a))};
-},{"./is_char_in_unicode_block":121}],125:[function(require,module,exports){
-"use strict";function createStructArrayType(t){var e=JSON.stringify(t);if(structArrayTypeCache[e])return structArrayTypeCache[e];var r=void 0===t.alignment?1:t.alignment,i=0,n=0,a=["Uint8"],o=t.members.map(function(t){a.indexOf(t.type)<0&&a.push(t.type);var e=sizeOf(t.type),o=i=align(i,Math.max(r,e)),s=t.components||1;return n=Math.max(n,e),i+=e*s,{name:t.name,type:t.type,components:s,offset:o}}),s=align(i,Math.max(n,r)),p=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(Struct);p.prototype.alignment=r,p.prototype.size=s;for(var y=0,c=o;y<c.length;y+=1)for(var h=c[y],u=0;u<h.components;u++){var f=h.name+(1===h.components?"":u);Object.defineProperty(p.prototype,f,{get:createGetter(h,u),set:createSetter(h,u)})}var m=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(StructArray);return m.prototype.members=o,m.prototype.StructType=p,m.prototype.bytesPerElement=s,m.prototype.emplaceBack=createEmplaceBack(o,s),m.prototype._usedTypes=a,structArrayTypeCache[e]=m,m}function align(t,e){return Math.ceil(t/e)*e}function sizeOf(t){return viewTypes[t].BYTES_PER_ELEMENT}function getArrayViewName(t){return t.toLowerCase()}function createEmplaceBack(t,e){for(var r=[],i=[],n="var i = this.length;\nthis.resize(this.length + 1);\n",a=0,o=t;a<o.length;a+=1){var s=o[a],p=sizeOf(s.type);r.indexOf(p)<0&&(r.push(p),n+="var o"+p.toFixed(0)+" = i * "+(e/p).toFixed(0)+";\n");for(var y=0;y<s.components;y++){var c="v"+i.length,h="o"+p.toFixed(0)+" + "+(s.offset/p+y).toFixed(0);n+="this."+getArrayViewName(s.type)+"["+h+"] = "+c+";\n",i.push(c)}}return n+="return i;",new Function(i.toString(),n)}function createMemberComponentString(t,e){var r="this._pos"+sizeOf(t.type).toFixed(0),i=(t.offset/sizeOf(t.type)+e).toFixed(0),n=r+" + "+i;return"this._structArray."+getArrayViewName(t.type)+"["+n+"]"}function createGetter(t,e){return new Function("return "+createMemberComponentString(t,e)+";")}function createSetter(t,e){return new Function("x",createMemberComponentString(t,e)+" = x;")}module.exports=createStructArrayType;var viewTypes={Int8:Int8Array,Uint8:Uint8Array,Uint8Clamped:Uint8ClampedArray,Int16:Int16Array,Uint16:Uint16Array,Int32:Int32Array,Uint32:Uint32Array,Float32:Float32Array,Float64:Float64Array},Struct=function(t,e){this._structArray=t,this._pos1=e*this.size,this._pos2=this._pos1/2,this._pos4=this._pos1/4,this._pos8=this._pos1/8},DEFAULT_CAPACITY=128,RESIZE_MULTIPLIER=5,StructArray=function(t){this.isTransferred=!1,void 0!==t?(this.arrayBuffer=t.arrayBuffer,this.length=t.length,this.capacity=this.arrayBuffer.byteLength/this.bytesPerElement,this._refreshViews()):(this.capacity=-1,this.resize(0))};StructArray.serialize=function(){return{members:this.prototype.members,alignment:this.prototype.StructType.prototype.alignment,bytesPerElement:this.prototype.bytesPerElement}},StructArray.prototype.serialize=function(t){return this._trim(),t&&(this.isTransferred=!0,t.push(this.arrayBuffer)),{length:this.length,arrayBuffer:this.arrayBuffer}},StructArray.prototype.get=function(t){return new this.StructType(this,t)},StructArray.prototype._trim=function(){this.length!==this.capacity&&(this.capacity=this.length,this.arrayBuffer=this.arrayBuffer.slice(0,this.length*this.bytesPerElement),this._refreshViews())},StructArray.prototype.resize=function(t){if(this.length=t,t>this.capacity){this.capacity=Math.max(t,Math.floor(this.capacity*RESIZE_MULTIPLIER),DEFAULT_CAPACITY),this.arrayBuffer=new ArrayBuffer(this.capacity*this.bytesPerElement);var e=this.uint8;this._refreshViews(),e&&this.uint8.set(e)}},StructArray.prototype._refreshViews=function(){for(var t=this,e=0,r=this._usedTypes;e<r.length;e+=1){var i=r[e];t[getArrayViewName(i)]=new viewTypes[i](t.arrayBuffer)}},StructArray.prototype.toArray=function(t,e){for(var r=this,i=[],n=t;n<e;n++){var a=r.get(n);i.push(a)}return i};var structArrayTypeCache={};
-},{}],126:[function(require,module,exports){
-"use strict";function resolveTokens(e,n){return n.replace(/{([^{}]+)}/g,function(n,r){return r in e?e[r]:""})}module.exports=resolveTokens;
-},{}],127:[function(require,module,exports){
-"use strict";var UnitBezier=require("unitbezier"),Coordinate=require("../geo/coordinate"),Point=require("point-geometry");exports.easeCubicInOut=function(r){if(r<=0)return 0;if(r>=1)return 1;var e=r*r,n=e*r;return 4*(r<.5?n:3*(r-e)+n-.75)},exports.bezier=function(r,e,n,t){var o=new UnitBezier(r,e,n,t);return function(r){return o.solve(r)}},exports.ease=exports.bezier(.25,.1,.25,1),exports.clamp=function(r,e,n){return Math.min(n,Math.max(e,r))},exports.wrap=function(r,e,n){var t=n-e,o=((r-e)%t+t)%t+e;return o===e?n:o},exports.asyncAll=function(r,e,n){if(!r.length)return n(null,[]);var t=r.length,o=new Array(r.length),a=null;r.forEach(function(r,i){e(r,function(r,e){r&&(a=r),o[i]=e,0===--t&&n(a,o)})})},exports.values=function(r){var e=[];for(var n in r)e.push(r[n]);return e},exports.keysDifference=function(r,e){var n=[];for(var t in r)t in e||n.push(t);return n},exports.extend=function(r,e,n,t){for(var o=arguments,a=1;a<arguments.length;a++){var i=o[a];for(var u in i)r[u]=i[u]}return r},exports.pick=function(r,e){for(var n={},t=0;t<e.length;t++){var o=e[t];o in r&&(n[o]=r[o])}return n};var id=1;exports.uniqueId=function(){return id++},exports.bindAll=function(r,e){r.forEach(function(r){e[r]&&(e[r]=e[r].bind(e))})},exports.getCoordinatesCenter=function(r){for(var e=1/0,n=1/0,t=-(1/0),o=-(1/0),a=0;a<r.length;a++)e=Math.min(e,r[a].column),n=Math.min(n,r[a].row),t=Math.max(t,r[a].column),o=Math.max(o,r[a].row);var i=t-e,u=o-n,s=Math.max(i,u);return new Coordinate((e+t)/2,(n+o)/2,0).zoomTo(Math.floor(-Math.log(s)/Math.LN2))},exports.endsWith=function(r,e){return r.indexOf(e,r.length-e.length)!==-1},exports.mapObject=function(r,e,n){var t=this,o={};for(var a in r)o[a]=e.call(n||t,r[a],a,r);return o},exports.filterObject=function(r,e,n){var t=this,o={};for(var a in r)e.call(n||t,r[a],a,r)&&(o[a]=r[a]);return o},exports.deepEqual=function(r,e){if(Array.isArray(r)){if(!Array.isArray(e)||r.length!==e.length)return!1;for(var n=0;n<r.length;n++)if(!exports.deepEqual(r[n],e[n]))return!1;return!0}if("object"==typeof r&&null!==r&&null!==e){if("object"!=typeof e)return!1;var t=Object.keys(r);if(t.length!==Object.keys(e).length)return!1;for(var o in r)if(!exports.deepEqual(r[o],e[o]))return!1;return!0}return r===e},exports.clone=function(r){return Array.isArray(r)?r.map(exports.clone):"object"==typeof r&&r?exports.mapObject(r,exports.clone):r},exports.arraysIntersect=function(r,e){for(var n=0;n<r.length;n++)if(e.indexOf(r[n])>=0)return!0;return!1};var warnOnceHistory={};exports.warnOnce=function(r){warnOnceHistory[r]||("undefined"!=typeof console&&console.warn(r),warnOnceHistory[r]=!0)},exports.isCounterClockwise=function(r,e,n){return(n.y-r.y)*(e.x-r.x)>(e.y-r.y)*(n.x-r.x)},exports.calculateSignedArea=function(r){for(var e,n,t=0,o=0,a=r.length,i=a-1;o<a;i=o++)e=r[o],n=r[i],t+=(n.x-e.x)*(e.y+n.y);return t},exports.isClosedPolygon=function(r){if(r.length<4)return!1;var e=r[0],n=r[r.length-1];return!(Math.abs(e.x-n.x)>0||Math.abs(e.y-n.y)>0)&&Math.abs(exports.calculateSignedArea(r))>.01},exports.sphericalToCartesian=function(r){var e=r[0],n=r[1],t=r[2];return n+=90,n*=Math.PI/180,t*=Math.PI/180,[e*Math.cos(n)*Math.sin(t),e*Math.sin(n)*Math.sin(t),e*Math.cos(t)]};
-},{"../geo/coordinate":18,"point-geometry":194,"unitbezier":200}],128:[function(require,module,exports){
-"use strict";var Feature=function(e,t,r,o){this.type="Feature",this._vectorTileFeature=e,e._z=t,e._x=r,e._y=o,this.properties=e.properties,null!=e.id&&(this.id=e.id)},prototypeAccessors={geometry:{}};prototypeAccessors.geometry.get=function(){return void 0===this._geometry&&(this._geometry=this._vectorTileFeature.toGeoJSON(this._vectorTileFeature._x,this._vectorTileFeature._y,this._vectorTileFeature._z).geometry),this._geometry},prototypeAccessors.geometry.set=function(e){this._geometry=e},Feature.prototype.toJSON=function(){var e=this,t={geometry:this.geometry};for(var r in this)"_geometry"!==r&&"_vectorTileFeature"!==r&&(t[r]=e[r]);return t},Object.defineProperties(Feature.prototype,prototypeAccessors),module.exports=Feature;
-},{}],129:[function(require,module,exports){
-"use strict";var scriptDetection=require("./script_detection");module.exports=function(t){for(var o="",e=0;e<t.length;e++){var r=t.charCodeAt(e+1)||null,l=t.charCodeAt(e-1)||null,i=(!r||!scriptDetection.charHasRotatedVerticalOrientation(r)||module.exports.lookup[t[e+1]])&&(!l||!scriptDetection.charHasRotatedVerticalOrientation(l)||module.exports.lookup[t[e-1]]);o+=i&&module.exports.lookup[t[e]]?module.exports.lookup[t[e]]:t[e]}return o},module.exports.lookup={"!":"︕","#":"＃",$:"＄","%":"％","&":"＆","(":"︵",")":"︶","*":"＊","+":"＋",",":"︐","-":"︲",".":"・","/":"／",":":"︓",";":"︔","<":"︿","=":"＝",">":"﹀","?":"︖","@":"＠","[":"﹇","\\":"＼","]":"﹈","^":"＾",_:"︳","`":"｀","{":"︷","|":"―","}":"︸","~":"～","¢":"￠","£":"￡","¥":"￥","¦":"￤","¬":"￢","¯":"￣","–":"︲","—":"︱","‘":"﹃","’":"﹄","“":"﹁","”":"﹂","…":"︙","‧":"・","₩":"￦","、":"︑","。":"︒","〈":"︿","〉":"﹀","《":"︽","》":"︾","「":"﹁","」":"﹂","『":"﹃","』":"﹄","【":"︻","】":"︼","〔":"︹","〕":"︺","〖":"︗","〗":"︘","！":"︕","（":"︵","）":"︶","，":"︐","－":"︲","．":"・","：":"︓","；":"︔","＜":"︿","＞":"﹀","？":"︖","［":"﹇","］":"﹈","＿":"︳","｛":"︷","｜":"―","｝":"︸","｟":"︵","｠":"︶","｡":"︒","｢":"﹁","｣":"﹂"};
-},{"./script_detection":124}],130:[function(require,module,exports){
-"use strict";var WebWorker=require("./web_worker"),WorkerPool=function(){this.active={}};WorkerPool.prototype.acquire=function(r){var e=this;if(!this.workers){var o=require("../mapbox-gl").workerCount;for(this.workers=[];this.workers.length<o;)e.workers.push(new WebWorker)}return this.active[r]=!0,this.workers.slice()},WorkerPool.prototype.release=function(r){delete this.active[r],0===Object.keys(this.active).length&&(this.workers.forEach(function(r){r.terminate()}),this.workers=null)},module.exports=WorkerPool;
-},{"../mapbox-gl":24,"./web_worker":109}],131:[function(require,module,exports){
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-function clamp_css_byte(e){return e=Math.round(e),e<0?0:e>255?255:e}function clamp_css_float(e){return e<0?0:e>1?1:e}function parse_css_int(e){return clamp_css_byte("%"===e[e.length-1]?parseFloat(e)/100*255:parseInt(e))}function parse_css_float(e){return clamp_css_float("%"===e[e.length-1]?parseFloat(e)/100:parseFloat(e))}function css_hue_to_rgb(e,r,l){return l<0?l+=1:l>1&&(l-=1),6*l<1?e+(r-e)*l*6:2*l<1?r:3*l<2?e+(r-e)*(2/3-l)*6:e}function parseCSSColor(e){var r=e.replace(/ /g,"").toLowerCase();if(r in kCSSColorTable)return kCSSColorTable[r].slice();if("#"===r[0]){if(4===r.length){var l=parseInt(r.substr(1),16);return l>=0&&l<=4095?[(3840&l)>>4|(3840&l)>>8,240&l|(240&l)>>4,15&l|(15&l)<<4,1]:null}if(7===r.length){var l=parseInt(r.substr(1),16);return l>=0&&l<=16777215?[(16711680&l)>>16,(65280&l)>>8,255&l,1]:null}return null}var a=r.indexOf("("),t=r.indexOf(")");if(a!==-1&&t+1===r.length){var n=r.substr(0,a),s=r.substr(a+1,t-(a+1)).split(","),o=1;switch(n){case"rgba":if(4!==s.length)return null;o=parse_css_float(s.pop());case"rgb":return 3!==s.length?null:[parse_css_int(s[0]),parse_css_int(s[1]),parse_css_int(s[2]),o];case"hsla":if(4!==s.length)return null;o=parse_css_float(s.pop());case"hsl":if(3!==s.length)return null;var i=(parseFloat(s[0])%360+360)%360/360,u=parse_css_float(s[1]),g=parse_css_float(s[2]),d=g<=.5?g*(u+1):g+u-g*u,c=2*g-d;return[clamp_css_byte(255*css_hue_to_rgb(c,d,i+1/3)),clamp_css_byte(255*css_hue_to_rgb(c,d,i)),clamp_css_byte(255*css_hue_to_rgb(c,d,i-1/3)),o];default:return null}}return null}var kCSSColorTable={transparent:[0,0,0,0],aliceblue:[240,248,255,1],antiquewhite:[250,235,215,1],aqua:[0,255,255,1],aquamarine:[127,255,212,1],azure:[240,255,255,1],beige:[245,245,220,1],bisque:[255,228,196,1],black:[0,0,0,1],blanchedalmond:[255,235,205,1],blue:[0,0,255,1],blueviolet:[138,43,226,1],brown:[165,42,42,1],burlywood:[222,184,135,1],cadetblue:[95,158,160,1],chartreuse:[127,255,0,1],chocolate:[210,105,30,1],coral:[255,127,80,1],cornflowerblue:[100,149,237,1],cornsilk:[255,248,220,1],crimson:[220,20,60,1],cyan:[0,255,255,1],darkblue:[0,0,139,1],darkcyan:[0,139,139,1],darkgoldenrod:[184,134,11,1],darkgray:[169,169,169,1],darkgreen:[0,100,0,1],darkgrey:[169,169,169,1],darkkhaki:[189,183,107,1],darkmagenta:[139,0,139,1],darkolivegreen:[85,107,47,1],darkorange:[255,140,0,1],darkorchid:[153,50,204,1],darkred:[139,0,0,1],darksalmon:[233,150,122,1],darkseagreen:[143,188,143,1],darkslateblue:[72,61,139,1],darkslategray:[47,79,79,1],darkslategrey:[47,79,79,1],darkturquoise:[0,206,209,1],darkviolet:[148,0,211,1],deeppink:[255,20,147,1],deepskyblue:[0,191,255,1],dimgray:[105,105,105,1],dimgrey:[105,105,105,1],dodgerblue:[30,144,255,1],firebrick:[178,34,34,1],floralwhite:[255,250,240,1],forestgreen:[34,139,34,1],fuchsia:[255,0,255,1],gainsboro:[220,220,220,1],ghostwhite:[248,248,255,1],gold:[255,215,0,1],goldenrod:[218,165,32,1],gray:[128,128,128,1],green:[0,128,0,1],greenyellow:[173,255,47,1],grey:[128,128,128,1],honeydew:[240,255,240,1],hotpink:[255,105,180,1],indianred:[205,92,92,1],indigo:[75,0,130,1],ivory:[255,255,240,1],khaki:[240,230,140,1],lavender:[230,230,250,1],lavenderblush:[255,240,245,1],lawngreen:[124,252,0,1],lemonchiffon:[255,250,205,1],lightblue:[173,216,230,1],lightcoral:[240,128,128,1],lightcyan:[224,255,255,1],lightgoldenrodyellow:[250,250,210,1],lightgray:[211,211,211,1],lightgreen:[144,238,144,1],lightgrey:[211,211,211,1],lightpink:[255,182,193,1],lightsalmon:[255,160,122,1],lightseagreen:[32,178,170,1],lightskyblue:[135,206,250,1],lightslategray:[119,136,153,1],lightslategrey:[119,136,153,1],lightsteelblue:[176,196,222,1],lightyellow:[255,255,224,1],lime:[0,255,0,1],limegreen:[50,205,50,1],linen:[250,240,230,1],magenta:[255,0,255,1],maroon:[128,0,0,1],mediumaquamarine:[102,205,170,1],mediumblue:[0,0,205,1],mediumorchid:[186,85,211,1],mediumpurple:[147,112,219,1],mediumseagreen:[60,179,113,1],mediumslateblue:[123,104,238,1],mediumspringgreen:[0,250,154,1],mediumturquoise:[72,209,204,1],mediumvioletred:[199,21,133,1],midnightblue:[25,25,112,1],mintcream:[245,255,250,1],mistyrose:[255,228,225,1],moccasin:[255,228,181,1],navajowhite:[255,222,173,1],navy:[0,0,128,1],oldlace:[253,245,230,1],olive:[128,128,0,1],olivedrab:[107,142,35,1],orange:[255,165,0,1],orangered:[255,69,0,1],orchid:[218,112,214,1],palegoldenrod:[238,232,170,1],palegreen:[152,251,152,1],paleturquoise:[175,238,238,1],palevioletred:[219,112,147,1],papayawhip:[255,239,213,1],peachpuff:[255,218,185,1],peru:[205,133,63,1],pink:[255,192,203,1],plum:[221,160,221,1],powderblue:[176,224,230,1],purple:[128,0,128,1],rebeccapurple:[102,51,153,1],red:[255,0,0,1],rosybrown:[188,143,143,1],royalblue:[65,105,225,1],saddlebrown:[139,69,19,1],salmon:[250,128,114,1],sandybrown:[244,164,96,1],seagreen:[46,139,87,1],seashell:[255,245,238,1],sienna:[160,82,45,1],silver:[192,192,192,1],skyblue:[135,206,235,1],slateblue:[106,90,205,1],slategray:[112,128,144,1],slategrey:[112,128,144,1],snow:[255,250,250,1],springgreen:[0,255,127,1],steelblue:[70,130,180,1],tan:[210,180,140,1],teal:[0,128,128,1],thistle:[216,191,216,1],tomato:[255,99,71,1],turquoise:[64,224,208,1],violet:[238,130,238,1],wheat:[245,222,179,1],white:[255,255,255,1],whitesmoke:[245,245,245,1],yellow:[255,255,0,1],yellowgreen:[154,205,50,1]};try{exports.parseCSSColor=parseCSSColor}catch(e){}
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-"use strict";function earcut(e,n,r){r=r||2;var t=n&&n.length,i=t?n[0]*r:e.length,x=linkedList(e,0,i,r,!0),a=[];if(!x)return a;var o,l,u,s,v,f,y;if(t&&(x=eliminateHoles(e,n,x,r)),e.length>80*r){o=u=e[0],l=s=e[1];for(var d=r;d<i;d+=r)v=e[d],f=e[d+1],v<o&&(o=v),f<l&&(l=f),v>u&&(u=v),f>s&&(s=f);y=Math.max(u-o,s-l)}return earcutLinked(x,a,r,o,l,y),a}function linkedList(e,n,r,t,i){var x,a;if(i===signedArea(e,n,r,t)>0)for(x=n;x<r;x+=t)a=insertNode(x,e[x],e[x+1],a);else for(x=r-t;x>=n;x-=t)a=insertNode(x,e[x],e[x+1],a);return a&&equals(a,a.next)&&(removeNode(a),a=a.next),a}function filterPoints(e,n){if(!e)return e;n||(n=e);var r,t=e;do if(r=!1,t.steiner||!equals(t,t.next)&&0!==area(t.prev,t,t.next))t=t.next;else{if(removeNode(t),t=n=t.prev,t===t.next)return null;r=!0}while(r||t!==n);return n}function earcutLinked(e,n,r,t,i,x,a){if(e){!a&&x&&indexCurve(e,t,i,x);for(var o,l,u=e;e.prev!==e.next;)if(o=e.prev,l=e.next,x?isEarHashed(e,t,i,x):isEar(e))n.push(o.i/r),n.push(e.i/r),n.push(l.i/r),removeNode(e),e=l.next,u=l.next;else if(e=l,e===u){a?1===a?(e=cureLocalIntersections(e,n,r),earcutLinked(e,n,r,t,i,x,2)):2===a&&splitEarcut(e,n,r,t,i,x):earcutLinked(filterPoints(e),n,r,t,i,x,1);break}}}function isEar(e){var n=e.prev,r=e,t=e.next;if(area(n,r,t)>=0)return!1;for(var i=e.next.next;i!==e.prev;){if(pointInTriangle(n.x,n.y,r.x,r.y,t.x,t.y,i.x,i.y)&&area(i.prev,i,i.next)>=0)return!1;i=i.next}return!0}function isEarHashed(e,n,r,t){var i=e.prev,x=e,a=e.next;if(area(i,x,a)>=0)return!1;for(var o=i.x<x.x?i.x<a.x?i.x:a.x:x.x<a.x?x.x:a.x,l=i.y<x.y?i.y<a.y?i.y:a.y:x.y<a.y?x.y:a.y,u=i.x>x.x?i.x>a.x?i.x:a.x:x.x>a.x?x.x:a.x,s=i.y>x.y?i.y>a.y?i.y:a.y:x.y>a.y?x.y:a.y,v=zOrder(o,l,n,r,t),f=zOrder(u,s,n,r,t),y=e.nextZ;y&&y.z<=f;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.nextZ}for(y=e.prevZ;y&&y.z>=v;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.prevZ}return!0}function cureLocalIntersections(e,n,r){var t=e;do{var i=t.prev,x=t.next.next;!equals(i,x)&&intersects(i,t,t.next,x)&&locallyInside(i,x)&&locallyInside(x,i)&&(n.push(i.i/r),n.push(t.i/r),n.push(x.i/r),removeNode(t),removeNode(t.next),t=e=x),t=t.next}while(t!==e);return t}function splitEarcut(e,n,r,t,i,x){var a=e;do{for(var o=a.next.next;o!==a.prev;){if(a.i!==o.i&&isValidDiagonal(a,o)){var l=splitPolygon(a,o);return a=filterPoints(a,a.next),l=filterPoints(l,l.next),earcutLinked(a,n,r,t,i,x),void earcutLinked(l,n,r,t,i,x)}o=o.next}a=a.next}while(a!==e)}function eliminateHoles(e,n,r,t){var i,x,a,o,l,u=[];for(i=0,x=n.length;i<x;i++)a=n[i]*t,o=i<x-1?n[i+1]*t:e.length,l=linkedList(e,a,o,t,!1),l===l.next&&(l.steiner=!0),u.push(getLeftmost(l));for(u.sort(compareX),i=0;i<u.length;i++)eliminateHole(u[i],r),r=filterPoints(r,r.next);return r}function compareX(e,n){return e.x-n.x}function eliminateHole(e,n){if(n=findHoleBridge(e,n)){var r=splitPolygon(n,e);filterPoints(r,r.next)}}function findHoleBridge(e,n){var r,t=n,i=e.x,x=e.y,a=-(1/0);do{if(x<=t.y&&x>=t.next.y){var o=t.x+(x-t.y)*(t.next.x-t.x)/(t.next.y-t.y);if(o<=i&&o>a){if(a=o,o===i){if(x===t.y)return t;if(x===t.next.y)return t.next}r=t.x<t.next.x?t:t.next}}t=t.next}while(t!==n);if(!r)return null;if(i===a)return r.prev;var l,u=r,s=r.x,v=r.y,f=1/0;for(t=r.next;t!==u;)i>=t.x&&t.x>=s&&pointInTriangle(x<v?i:a,x,s,v,x<v?a:i,x,t.x,t.y)&&(l=Math.abs(x-t.y)/(i-t.x),(l<f||l===f&&t.x>r.x)&&locallyInside(t,e)&&(r=t,f=l)),t=t.next;return r}function indexCurve(e,n,r,t){var i=e;do null===i.z&&(i.z=zOrder(i.x,i.y,n,r,t)),i.prevZ=i.prev,i.nextZ=i.next,i=i.next;while(i!==e);i.prevZ.nextZ=null,i.prevZ=null,sortLinked(i)}function sortLinked(e){var n,r,t,i,x,a,o,l,u=1;do{for(r=e,e=null,x=null,a=0;r;){for(a++,t=r,o=0,n=0;n<u&&(o++,t=t.nextZ,t);n++);for(l=u;o>0||l>0&&t;)0===o?(i=t,t=t.nextZ,l--):0!==l&&t?r.z<=t.z?(i=r,r=r.nextZ,o--):(i=t,t=t.nextZ,l--):(i=r,r=r.nextZ,o--),x?x.nextZ=i:e=i,i.prevZ=x,x=i;r=t}x.nextZ=null,u*=2}while(a>1);return e}function zOrder(e,n,r,t,i){return e=32767*(e-r)/i,n=32767*(n-t)/i,e=16711935&(e|e<<8),e=252645135&(e|e<<4),e=858993459&(e|e<<2),e=1431655765&(e|e<<1),n=16711935&(n|n<<8),n=252645135&(n|n<<4),n=858993459&(n|n<<2),n=1431655765&(n|n<<1),e|n<<1}function getLeftmost(e){var n=e,r=e;do n.x<r.x&&(r=n),n=n.next;while(n!==e);return r}function pointInTriangle(e,n,r,t,i,x,a,o){return(i-a)*(n-o)-(e-a)*(x-o)>=0&&(e-a)*(t-o)-(r-a)*(n-o)>=0&&(r-a)*(x-o)-(i-a)*(t-o)>=0}function isValidDiagonal(e,n){return e.next.i!==n.i&&e.prev.i!==n.i&&!intersectsPolygon(e,n)&&locallyInside(e,n)&&locallyInside(n,e)&&middleInside(e,n)}function area(e,n,r){return(n.y-e.y)*(r.x-n.x)-(n.x-e.x)*(r.y-n.y)}function equals(e,n){return e.x===n.x&&e.y===n.y}function intersects(e,n,r,t){return!!(equals(e,n)&&equals(r,t)||equals(e,t)&&equals(r,n))||area(e,n,r)>0!=area(e,n,t)>0&&area(r,t,e)>0!=area(r,t,n)>0}function intersectsPolygon(e,n){var r=e;do{if(r.i!==e.i&&r.next.i!==e.i&&r.i!==n.i&&r.next.i!==n.i&&intersects(r,r.next,e,n))return!0;r=r.next}while(r!==e);return!1}function locallyInside(e,n){return area(e.prev,e,e.next)<0?area(e,n,e.next)>=0&&area(e,e.prev,n)>=0:area(e,n,e.prev)<0||area(e,e.next,n)<0}function middleInside(e,n){var r=e,t=!1,i=(e.x+n.x)/2,x=(e.y+n.y)/2;do r.y>x!=r.next.y>x&&i<(r.next.x-r.x)*(x-r.y)/(r.next.y-r.y)+r.x&&(t=!t),r=r.next;while(r!==e);return t}function splitPolygon(e,n){var r=new Node(e.i,e.x,e.y),t=new Node(n.i,n.x,n.y),i=e.next,x=n.prev;return e.next=n,n.prev=e,r.next=i,i.prev=r,t.next=r,r.prev=t,x.next=t,t.prev=x,t}function insertNode(e,n,r,t){var i=new Node(e,n,r);return t?(i.next=t.next,i.prev=t,t.next.prev=i,t.next=i):(i.prev=i,i.next=i),i}function removeNode(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function Node(e,n,r){this.i=e,this.x=n,this.y=r,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function signedArea(e,n,r,t){for(var i=0,x=n,a=r-t;x<r;x+=t)i+=(e[a]-e[x])*(e[x+1]+e[a+1]),a=x;return i}module.exports=earcut,earcut.deviation=function(e,n,r,t){var i=n&&n.length,x=i?n[0]*r:e.length,a=Math.abs(signedArea(e,0,x,r));if(i)for(var o=0,l=n.length;o<l;o++){var u=n[o]*r,s=o<l-1?n[o+1]*r:e.length;a-=Math.abs(signedArea(e,u,s,r))}var v=0;for(o=0;o<t.length;o+=3){var f=t[o]*r,y=t[o+1]*r,d=t[o+2]*r;v+=Math.abs((e[f]-e[d])*(e[y+1]-e[f+1])-(e[f]-e[y])*(e[d+1]-e[f+1]))}return 0===a&&0===v?0:Math.abs((v-a)/a)},earcut.flatten=function(e){for(var n=e[0][0].length,r={vertices:[],holes:[],dimensions:n},t=0,i=0;i<e.length;i++){for(var x=0;x<e[i].length;x++)for(var a=0;a<n;a++)r.vertices.push(e[i][x][a]);i>0&&(t+=e[i-1].length,r.holes.push(t))}return r};
-},{}],134:[function(require,module,exports){
-function sss(r){var e,t,s,n,u,a;switch(typeof r){case"object":if(null===r)return null;if(isArray(r)){for(s="[",t=r.length-1,e=0;e<t;e++)s+=sss(r[e])+",";return t>-1&&(s+=sss(r[e])),s+"]"}for(n=objKeys(r).sort(),t=n.length,s="{",u=n[e=0],a=t>0&&void 0!==r[u];e<t;)a?(s+='"'+u.replace(strReg,strReplace)+'":'+sss(r[u]),u=n[++e],a=e<t&&void 0!==r[u],a&&(s+=",")):(u=n[++e],a=e<t&&void 0!==r[u]);return s+"}";case"undefined":return null;case"string":return'"'+r.replace(strReg,strReplace)+'"';default:return r}}var toString={}.toString,isArray=Array.isArray||function(r){return"[object Array]"===toString.call(r)},objKeys=Object.keys||function(r){var e=[];for(var t in r)r.hasOwnProperty(t)&&e.push(t);return e},strReg=/[\u0000-\u001f"\\]/g,strReplace=function(r){var e=r.charCodeAt(0);switch(e){case 34:return'\\"';case 92:return"\\\\";case 12:return"\\f";case 10:return"\\n";case 13:return"\\r";case 9:return"\\t";case 8:return"\\b";default:return e>15?"\\u00"+e.toString(16):"\\u000"+e.toString(16)}};module.exports=function(r){if(void 0!==r)return""+sss(r)},module.exports.stringSearch=strReg,module.exports.stringReplace=strReplace;
-},{}],135:[function(require,module,exports){
-"use strict";function createFilter(e){return new Function("f","var p = (f && f.properties || {}); return "+compile(e))}function compile(e){if(!e)return"true";var i=e[0];if(e.length<=1)return"any"===i?"false":"true";var n="=="===i?compileComparisonOp(e[1],e[2],"===",!1):"!="===i?compileComparisonOp(e[1],e[2],"!==",!1):"<"===i||">"===i||"<="===i||">="===i?compileComparisonOp(e[1],e[2],i,!0):"any"===i?compileLogicalOp(e.slice(1),"||"):"all"===i?compileLogicalOp(e.slice(1),"&&"):"none"===i?compileNegation(compileLogicalOp(e.slice(1),"||")):"in"===i?compileInOp(e[1],e.slice(2)):"!in"===i?compileNegation(compileInOp(e[1],e.slice(2))):"has"===i?compileHasOp(e[1]):"!has"===i?compileNegation(compileHasOp([e[1]])):"true";return"("+n+")"}function compilePropertyReference(e){return"$type"===e?"f.type":"$id"===e?"f.id":"p["+JSON.stringify(e)+"]"}function compileComparisonOp(e,i,n,r){var o=compilePropertyReference(e),t="$type"===e?types.indexOf(i):JSON.stringify(i);return(r?"typeof "+o+"=== typeof "+t+"&&":"")+o+n+t}function compileLogicalOp(e,i){return e.map(compile).join(i)}function compileInOp(e,i){"$type"===e&&(i=i.map(function(e){return types.indexOf(e)}));var n=JSON.stringify(i.sort(compare)),r=compilePropertyReference(e);return i.length<=200?n+".indexOf("+r+") !== -1":"function(v, a, i, j) {while (i <= j) { var m = (i + j) >> 1;    if (a[m] === v) return true; if (a[m] > v) j = m - 1; else i = m + 1;}return false; }("+r+", "+n+",0,"+(i.length-1)+")"}function compileHasOp(e){return JSON.stringify(e)+" in p"}function compileNegation(e){return"!("+e+")"}function compare(e,i){return e<i?-1:e>i?1:0}module.exports=createFilter;var types=["Unknown","Point","LineString","Polygon"];
-},{}],136:[function(require,module,exports){
-function geometry(r){if("Polygon"===r.type)return polygonArea(r.coordinates);if("MultiPolygon"===r.type){for(var e=0,n=0;n<r.coordinates.length;n++)e+=polygonArea(r.coordinates[n]);return e}return null}function polygonArea(r){var e=0;if(r&&r.length>0){e+=Math.abs(ringArea(r[0]));for(var n=1;n<r.length;n++)e-=Math.abs(ringArea(r[n]))}return e}function ringArea(r){var e=0;if(r.length>2){for(var n,t,o=0;o<r.length-1;o++)n=r[o],t=r[o+1],e+=rad(t[0]-n[0])*(2+Math.sin(rad(n[1]))+Math.sin(rad(t[1])));e=e*wgs84.RADIUS*wgs84.RADIUS/2}return e}function rad(r){return r*Math.PI/180}var wgs84=require("wgs84");module.exports.geometry=geometry,module.exports.ring=ringArea;
-},{"wgs84":212}],137:[function(require,module,exports){
-function rewind(r,e){switch(r&&r.type||null){case"FeatureCollection":return r.features=r.features.map(curryOuter(rewind,e)),r;case"Feature":return r.geometry=rewind(r.geometry,e),r;case"Polygon":case"MultiPolygon":return correct(r,e);default:return r}}function curryOuter(r,e){return function(n){return r(n,e)}}function correct(r,e){return"Polygon"===r.type?r.coordinates=correctRings(r.coordinates,e):"MultiPolygon"===r.type&&(r.coordinates=r.coordinates.map(curryOuter(correctRings,e))),r}function correctRings(r,e){e=!!e,r[0]=wind(r[0],!e);for(var n=1;n<r.length;n++)r[n]=wind(r[n],e);return r}function wind(r,e){return cw(r)===e?r:r.reverse()}function cw(r){return geojsonArea.ring(r)>=0}var geojsonArea=require("geojson-area");module.exports=rewind;
-},{"geojson-area":136}],138:[function(require,module,exports){
-"use strict";function clip(e,r,t,n,u,i,l,s){if(t/=r,n/=r,l>=t&&s<=n)return e;if(l>n||s<t)return null;for(var h=[],p=0;p<e.length;p++){var a,c,o=e[p],f=o.geometry,g=o.type;if(a=o.min[u],c=o.max[u],a>=t&&c<=n)h.push(o);else if(!(a>n||c<t)){var v=1===g?clipPoints(f,t,n,u):clipGeometry(f,t,n,u,i,3===g);v.length&&h.push(createFeature(o.tags,g,v,o.id))}}return h.length?h:null}function clipPoints(e,r,t,n){for(var u=[],i=0;i<e.length;i++){var l=e[i],s=l[n];s>=r&&s<=t&&u.push(l)}return u}function clipGeometry(e,r,t,n,u,i){for(var l=[],s=0;s<e.length;s++){var h,p,a,c=0,o=0,f=null,g=e[s],v=g.area,m=g.dist,w=g.outer,S=g.length,d=[];for(p=0;p<S-1;p++)h=f||g[p],f=g[p+1],c=o||h[n],o=f[n],c<r?o>t?(d.push(u(h,f,r),u(h,f,t)),i||(d=newSlice(l,d,v,m,w))):o>=r&&d.push(u(h,f,r)):c>t?o<r?(d.push(u(h,f,t),u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o<=t&&d.push(u(h,f,t)):(d.push(h),o<r?(d.push(u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o>t&&(d.push(u(h,f,t)),i||(d=newSlice(l,d,v,m,w))));h=g[S-1],c=h[n],c>=r&&c<=t&&d.push(h),a=d[d.length-1],i&&a&&(d[0][0]!==a[0]||d[0][1]!==a[1])&&d.push(d[0]),newSlice(l,d,v,m,w)}return l}function newSlice(e,r,t,n,u){return r.length&&(r.area=t,r.dist=n,void 0!==u&&(r.outer=u),e.push(r)),[]}module.exports=clip;var createFeature=require("./feature");
-},{"./feature":140}],139:[function(require,module,exports){
-"use strict";function convert(e,t){var r=[];if("FeatureCollection"===e.type)for(var o=0;o<e.features.length;o++)convertFeature(r,e.features[o],t);else"Feature"===e.type?convertFeature(r,e,t):convertFeature(r,{geometry:e},t);return r}function convertFeature(e,t,r){if(null!==t.geometry){var o,a,i,n,u=t.geometry,c=u.type,l=u.coordinates,s=t.properties,p=t.id;if("Point"===c)e.push(createFeature(s,1,[projectPoint(l)],p));else if("MultiPoint"===c)e.push(createFeature(s,1,project(l),p));else if("LineString"===c)e.push(createFeature(s,2,[project(l,r)],p));else if("MultiLineString"===c||"Polygon"===c){for(i=[],o=0;o<l.length;o++)n=project(l[o],r),"Polygon"===c&&(n.outer=0===o),i.push(n);e.push(createFeature(s,"Polygon"===c?3:2,i,p))}else if("MultiPolygon"===c){for(i=[],o=0;o<l.length;o++)for(a=0;a<l[o].length;a++)n=project(l[o][a],r),n.outer=0===a,i.push(n);e.push(createFeature(s,3,i,p))}else{if("GeometryCollection"!==c)throw new Error("Input data is not a valid GeoJSON object.");for(o=0;o<u.geometries.length;o++)convertFeature(e,{geometry:u.geometries[o],properties:s},r)}}}function project(e,t){for(var r=[],o=0;o<e.length;o++)r.push(projectPoint(e[o]));return t&&(simplify(r,t),calcSize(r)),r}function projectPoint(e){var t=Math.sin(e[1]*Math.PI/180),r=e[0]/360+.5,o=.5-.25*Math.log((1+t)/(1-t))/Math.PI;return o=o<0?0:o>1?1:o,[r,o,0]}function calcSize(e){for(var t,r,o=0,a=0,i=0;i<e.length-1;i++)t=r||e[i],r=e[i+1],o+=t[0]*r[1]-r[0]*t[1],a+=Math.abs(r[0]-t[0])+Math.abs(r[1]-t[1]);e.area=Math.abs(o/2),e.dist=a}module.exports=convert;var simplify=require("./simplify"),createFeature=require("./feature");
-},{"./feature":140,"./simplify":142}],140:[function(require,module,exports){
-"use strict";function createFeature(e,t,a,n){var r={id:n||null,type:t,geometry:a,tags:e||null,min:[1/0,1/0],max:[-(1/0),-(1/0)]};return calcBBox(r),r}function calcBBox(e){var t=e.geometry,a=e.min,n=e.max;if(1===e.type)calcRingBBox(a,n,t);else for(var r=0;r<t.length;r++)calcRingBBox(a,n,t[r]);return e}function calcRingBBox(e,t,a){for(var n,r=0;r<a.length;r++)n=a[r],e[0]=Math.min(n[0],e[0]),t[0]=Math.max(n[0],t[0]),e[1]=Math.min(n[1],e[1]),t[1]=Math.max(n[1],t[1])}module.exports=createFeature;
-},{}],141:[function(require,module,exports){
-"use strict";function geojsonvt(e,t){return new GeoJSONVT(e,t)}function GeoJSONVT(e,t){t=this.options=extend(Object.create(this.options),t);var i=t.debug;i&&console.time("preprocess data");var o=1<<t.maxZoom,n=convert(e,t.tolerance/(o*t.extent));this.tiles={},this.tileCoords=[],i&&(console.timeEnd("preprocess data"),console.log("index: maxZoom: %d, maxPoints: %d",t.indexMaxZoom,t.indexMaxPoints),console.time("generate tiles"),this.stats={},this.total=0),n=wrap(n,t.buffer/t.extent,intersectX),n.length&&this.splitTile(n,0,0,0),i&&(n.length&&console.log("features: %d, points: %d",this.tiles[0].numFeatures,this.tiles[0].numPoints),console.timeEnd("generate tiles"),console.log("tiles generated:",this.total,JSON.stringify(this.stats)))}function toID(e,t,i){return 32*((1<<e)*i+t)+e}function intersectX(e,t,i){return[i,(i-e[0])*(t[1]-e[1])/(t[0]-e[0])+e[1],1]}function intersectY(e,t,i){return[(i-e[1])*(t[0]-e[0])/(t[1]-e[1])+e[0],i,1]}function extend(e,t){for(var i in t)e[i]=t[i];return e}function isClippedSquare(e,t,i){var o=e.source;if(1!==o.length)return!1;var n=o[0];if(3!==n.type||n.geometry.length>1)return!1;var r=n.geometry[0].length;if(5!==r)return!1;for(var s=0;s<r;s++){var l=transform.point(n.geometry[0][s],t,e.z2,e.x,e.y);if(l[0]!==-i&&l[0]!==t+i||l[1]!==-i&&l[1]!==t+i)return!1}return!0}module.exports=geojsonvt;var convert=require("./convert"),transform=require("./transform"),clip=require("./clip"),wrap=require("./wrap"),createTile=require("./tile");GeoJSONVT.prototype.options={maxZoom:14,indexMaxZoom:5,indexMaxPoints:1e5,solidChildren:!1,tolerance:3,extent:4096,buffer:64,debug:0},GeoJSONVT.prototype.splitTile=function(e,t,i,o,n,r,s){for(var l=[e,t,i,o],a=this.options,u=a.debug,c=null;l.length;){o=l.pop(),i=l.pop(),t=l.pop(),e=l.pop();var p=1<<t,d=toID(t,i,o),m=this.tiles[d],f=t===a.maxZoom?0:a.tolerance/(p*a.extent);if(!m&&(u>1&&console.time("creation"),m=this.tiles[d]=createTile(e,p,i,o,f,t===a.maxZoom),this.tileCoords.push({z:t,x:i,y:o}),u)){u>1&&(console.log("tile z%d-%d-%d (features: %d, points: %d, simplified: %d)",t,i,o,m.numFeatures,m.numPoints,m.numSimplified),console.timeEnd("creation"));var h="z"+t;this.stats[h]=(this.stats[h]||0)+1,this.total++}if(m.source=e,n){if(t===a.maxZoom||t===n)continue;var x=1<<n-t;if(i!==Math.floor(r/x)||o!==Math.floor(s/x))continue}else if(t===a.indexMaxZoom||m.numPoints<=a.indexMaxPoints)continue;if(a.solidChildren||!isClippedSquare(m,a.extent,a.buffer)){m.source=null,u>1&&console.time("clipping");var g,v,M,T,b,y,S=.5*a.buffer/a.extent,Z=.5-S,q=.5+S,w=1+S;g=v=M=T=null,b=clip(e,p,i-S,i+q,0,intersectX,m.min[0],m.max[0]),y=clip(e,p,i+Z,i+w,0,intersectX,m.min[0],m.max[0]),b&&(g=clip(b,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),v=clip(b,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),y&&(M=clip(y,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),T=clip(y,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),u>1&&console.timeEnd("clipping"),e.length&&(l.push(g||[],t+1,2*i,2*o),l.push(v||[],t+1,2*i,2*o+1),l.push(M||[],t+1,2*i+1,2*o),l.push(T||[],t+1,2*i+1,2*o+1))}else n&&(c=t)}return c},GeoJSONVT.prototype.getTile=function(e,t,i){var o=this.options,n=o.extent,r=o.debug,s=1<<e;t=(t%s+s)%s;var l=toID(e,t,i);if(this.tiles[l])return transform.tile(this.tiles[l],n);r>1&&console.log("drilling down to z%d-%d-%d",e,t,i);for(var a,u=e,c=t,p=i;!a&&u>0;)u--,c=Math.floor(c/2),p=Math.floor(p/2),a=this.tiles[toID(u,c,p)];if(!a||!a.source)return null;if(r>1&&console.log("found parent tile z%d-%d-%d",u,c,p),isClippedSquare(a,n,o.buffer))return transform.tile(a,n);r>1&&console.time("drilling down");var d=this.splitTile(a.source,u,c,p,e,t,i);if(r>1&&console.timeEnd("drilling down"),null!==d){var m=1<<e-d;l=toID(d,Math.floor(t/m),Math.floor(i/m))}return this.tiles[l]?transform.tile(this.tiles[l],n):null};
-},{"./clip":138,"./convert":139,"./tile":143,"./transform":144,"./wrap":145}],142:[function(require,module,exports){
-"use strict";function simplify(t,i){var e,p,r,s,o=i*i,f=t.length,u=0,n=f-1,g=[];for(t[u][2]=1,t[n][2]=1;n;){for(p=0,e=u+1;e<n;e++)r=getSqSegDist(t[e],t[u],t[n]),r>p&&(s=e,p=r);p>o?(t[s][2]=p,g.push(u),g.push(s),u=s):(n=g.pop(),u=g.pop())}}function getSqSegDist(t,i,e){var p=i[0],r=i[1],s=e[0],o=e[1],f=t[0],u=t[1],n=s-p,g=o-r;if(0!==n||0!==g){var l=((f-p)*n+(u-r)*g)/(n*n+g*g);l>1?(p=s,r=o):l>0&&(p+=n*l,r+=g*l)}return n=f-p,g=u-r,n*n+g*g}module.exports=simplify;
-},{}],143:[function(require,module,exports){
-"use strict";function createTile(e,n,r,i,t,u){for(var a={features:[],numPoints:0,numSimplified:0,numFeatures:0,source:null,x:r,y:i,z2:n,transformed:!1,min:[2,1],max:[-1,0]},m=0;m<e.length;m++){a.numFeatures++,addFeature(a,e[m],t,u);var s=e[m].min,l=e[m].max;s[0]<a.min[0]&&(a.min[0]=s[0]),s[1]<a.min[1]&&(a.min[1]=s[1]),l[0]>a.max[0]&&(a.max[0]=l[0]),l[1]>a.max[1]&&(a.max[1]=l[1])}return a}function addFeature(e,n,r,i){var t,u,a,m,s=n.geometry,l=n.type,o=[],f=r*r;if(1===l)for(t=0;t<s.length;t++)o.push(s[t]),e.numPoints++,e.numSimplified++;else for(t=0;t<s.length;t++)if(a=s[t],i||!(2===l&&a.dist<r||3===l&&a.area<f)){var d=[];for(u=0;u<a.length;u++)m=a[u],(i||m[2]>f)&&(d.push(m),e.numSimplified++),e.numPoints++;3===l&&rewind(d,a.outer),o.push(d)}else e.numPoints+=a.length;if(o.length){var g={geometry:o,type:l,tags:n.tags||null};null!==n.id&&(g.id=n.id),e.features.push(g)}}function rewind(e,n){var r=signedArea(e);r<0===n&&e.reverse()}function signedArea(e){for(var n,r,i=0,t=0,u=e.length,a=u-1;t<u;a=t++)n=e[t],r=e[a],i+=(r[0]-n[0])*(n[1]+r[1]);return i}module.exports=createTile;
-},{}],144:[function(require,module,exports){
-"use strict";function transformTile(r,t){if(r.transformed)return r;var n,e,o,f=r.z2,a=r.x,s=r.y;for(n=0;n<r.features.length;n++){var i=r.features[n],u=i.geometry,m=i.type;if(1===m)for(e=0;e<u.length;e++)u[e]=transformPoint(u[e],t,f,a,s);else for(e=0;e<u.length;e++){var l=u[e];for(o=0;o<l.length;o++)l[o]=transformPoint(l[o],t,f,a,s)}}return r.transformed=!0,r}function transformPoint(r,t,n,e,o){var f=Math.round(t*(r[0]*n-e)),a=Math.round(t*(r[1]*n-o));return[f,a]}exports.tile=transformTile,exports.point=transformPoint;
-},{}],145:[function(require,module,exports){
-"use strict";function wrap(r,e,t){var o=r,a=clip(r,1,-1-e,e,0,t,-1,2),s=clip(r,1,1-e,2+e,0,t,-1,2);return(a||s)&&(o=clip(r,1,-e,1+e,0,t,-1,2)||[],a&&(o=shiftFeatureCoords(a,1).concat(o)),s&&(o=o.concat(shiftFeatureCoords(s,-1)))),o}function shiftFeatureCoords(r,e){for(var t=[],o=0;o<r.length;o++){var a,s=r[o],i=s.type;if(1===i)a=shiftCoords(s.geometry,e);else{a=[];for(var u=0;u<s.geometry.length;u++)a.push(shiftCoords(s.geometry[u],e))}t.push(createFeature(s.tags,i,a,s.id))}return t}function shiftCoords(r,e){var t=[];t.area=r.area,t.dist=r.dist;for(var o=0;o<r.length;o++)t.push([r[o][0]+e,r[o][1],r[o][2]]);return t}var clip=require("./clip"),createFeature=require("./feature");module.exports=wrap;
-},{"./clip":138,"./feature":140}],146:[function(require,module,exports){
-"use strict";function GridIndex(t,r,e){var s=this.cells=[];if(t instanceof ArrayBuffer){this.arrayBuffer=t;var i=new Int32Array(this.arrayBuffer);t=i[0],r=i[1],e=i[2],this.d=r+2*e;for(var h=0;h<this.d*this.d;h++){var n=i[NUM_PARAMS+h],o=i[NUM_PARAMS+h+1];s.push(n===o?null:i.subarray(n,o))}var l=i[NUM_PARAMS+s.length],a=i[NUM_PARAMS+s.length+1];this.keys=i.subarray(l,a),this.bboxes=i.subarray(a),this.insert=this._insertReadonly}else{this.d=r+2*e;for(var d=0;d<this.d*this.d;d++)s.push([]);this.keys=[],this.bboxes=[]}this.n=r,this.extent=t,this.padding=e,this.scale=r/t,this.uid=0;var f=e/r*t;this.min=-f,this.max=t+f}module.exports=GridIndex;var NUM_PARAMS=3;GridIndex.prototype.insert=function(t,r,e,s,i){this._forEachCell(r,e,s,i,this._insertCell,this.uid++),this.keys.push(t),this.bboxes.push(r),this.bboxes.push(e),this.bboxes.push(s),this.bboxes.push(i)},GridIndex.prototype._insertReadonly=function(){throw"Cannot insert into a GridIndex created from an ArrayBuffer."},GridIndex.prototype._insertCell=function(t,r,e,s,i,h){this.cells[i].push(h)},GridIndex.prototype.query=function(t,r,e,s){var i=this.min,h=this.max;if(t<=i&&r<=i&&h<=e&&h<=s)return Array.prototype.slice.call(this.keys);var n=[],o={};return this._forEachCell(t,r,e,s,this._queryCell,n,o),n},GridIndex.prototype._queryCell=function(t,r,e,s,i,h,n){var o=this.cells[i];if(null!==o)for(var l=this.keys,a=this.bboxes,d=0;d<o.length;d++){var f=o[d];if(void 0===n[f]){var u=4*f;t<=a[u+2]&&r<=a[u+3]&&e>=a[u+0]&&s>=a[u+1]?(n[f]=!0,h.push(l[f])):n[f]=!1}}},GridIndex.prototype._forEachCell=function(t,r,e,s,i,h,n){for(var o=this._convertToCellCoord(t),l=this._convertToCellCoord(r),a=this._convertToCellCoord(e),d=this._convertToCellCoord(s),f=o;f<=a;f++)for(var u=l;u<=d;u++){var y=this.d*u+f;if(i.call(this,t,r,e,s,y,h,n))return}},GridIndex.prototype._convertToCellCoord=function(t){return Math.max(0,Math.min(this.d-1,Math.floor(t*this.scale)+this.padding))},GridIndex.prototype.toArrayBuffer=function(){if(this.arrayBuffer)return this.arrayBuffer;for(var t=this.cells,r=NUM_PARAMS+this.cells.length+1+1,e=0,s=0;s<this.cells.length;s++)e+=this.cells[s].length;var i=new Int32Array(r+e+this.keys.length+this.bboxes.length);i[0]=this.extent,i[1]=this.n,i[2]=this.padding;for(var h=r,n=0;n<t.length;n++){var o=t[n];i[NUM_PARAMS+n]=h,i.set(o,h),h+=o.length}return i[NUM_PARAMS+t.length]=h,i.set(this.keys,h),h+=this.keys.length,i[NUM_PARAMS+t.length+1]=h,i.set(this.bboxes,h),h+=this.bboxes.length,i.buffer};
-},{}],147:[function(require,module,exports){
-exports.read=function(a,o,t,r,h){var M,p,w=8*h-r-1,f=(1<<w)-1,e=f>>1,i=-7,N=t?h-1:0,n=t?-1:1,s=a[o+N];for(N+=n,M=s&(1<<-i)-1,s>>=-i,i+=w;i>0;M=256*M+a[o+N],N+=n,i-=8);for(p=M&(1<<-i)-1,M>>=-i,i+=r;i>0;p=256*p+a[o+N],N+=n,i-=8);if(0===M)M=1-e;else{if(M===f)return p?NaN:(s?-1:1)*(1/0);p+=Math.pow(2,r),M-=e}return(s?-1:1)*p*Math.pow(2,M-r)},exports.write=function(a,o,t,r,h,M){var p,w,f,e=8*M-h-1,i=(1<<e)-1,N=i>>1,n=23===h?Math.pow(2,-24)-Math.pow(2,-77):0,s=r?0:M-1,u=r?1:-1,l=o<0||0===o&&1/o<0?1:0;for(o=Math.abs(o),isNaN(o)||o===1/0?(w=isNaN(o)?1:0,p=i):(p=Math.floor(Math.log(o)/Math.LN2),o*(f=Math.pow(2,-p))<1&&(p--,f*=2),o+=p+N>=1?n/f:n*Math.pow(2,1-N),o*f>=2&&(p++,f/=2),p+N>=i?(w=0,p=i):p+N>=1?(w=(o*f-1)*Math.pow(2,h),p+=N):(w=o*Math.pow(2,N-1)*Math.pow(2,h),p=0));h>=8;a[t+s]=255&w,s+=u,w/=256,h-=8);for(p=p<<h|w,e+=h;e>0;a[t+s]=255&p,s+=u,p/=256,e-=8);a[t+s-u]|=128*l};
-},{}],148:[function(require,module,exports){
-"use strict";function kdbush(t,i,e,s,n){return new KDBush(t,i,e,s,n)}function KDBush(t,i,e,s,n){i=i||defaultGetX,e=e||defaultGetY,n=n||Array,this.nodeSize=s||64,this.points=t,this.ids=new n(t.length),this.coords=new n(2*t.length);for(var r=0;r<t.length;r++)this.ids[r]=r,this.coords[2*r]=i(t[r]),this.coords[2*r+1]=e(t[r]);sort(this.ids,this.coords,this.nodeSize,0,this.ids.length-1,0)}function defaultGetX(t){return t[0]}function defaultGetY(t){return t[1]}var sort=require("./sort"),range=require("./range"),within=require("./within");module.exports=kdbush,KDBush.prototype={range:function(t,i,e,s){return range(this.ids,this.coords,t,i,e,s,this.nodeSize)},within:function(t,i,e){return within(this.ids,this.coords,t,i,e,this.nodeSize)}};
-},{"./range":149,"./sort":150,"./within":151}],149:[function(require,module,exports){
-"use strict";function range(p,r,s,u,h,e,o){for(var a,t,n=[0,p.length-1,0],f=[];n.length;){var l=n.pop(),v=n.pop(),g=n.pop();if(v-g<=o)for(var i=g;i<=v;i++)a=r[2*i],t=r[2*i+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[i]);else{var c=Math.floor((g+v)/2);a=r[2*c],t=r[2*c+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[c]);var d=(l+1)%2;(0===l?s<=a:u<=t)&&(n.push(g),n.push(c-1),n.push(d)),(0===l?h>=a:e>=t)&&(n.push(c+1),n.push(v),n.push(d))}}return f}module.exports=range;
-},{}],150:[function(require,module,exports){
-"use strict";function sortKD(t,a,o,s,r,e){if(!(r-s<=o)){var f=Math.floor((s+r)/2);select(t,a,f,s,r,e%2),sortKD(t,a,o,s,f-1,e+1),sortKD(t,a,o,f+1,r,e+1)}}function select(t,a,o,s,r,e){for(;r>s;){if(r-s>600){var f=r-s+1,p=o-s+1,w=Math.log(f),m=.5*Math.exp(2*w/3),n=.5*Math.sqrt(w*m*(f-m)/f)*(p-f/2<0?-1:1),c=Math.max(s,Math.floor(o-p*m/f+n)),h=Math.min(r,Math.floor(o+(f-p)*m/f+n));select(t,a,o,c,h,e)}var i=a[2*o+e],l=s,M=r;for(swapItem(t,a,s,o),a[2*r+e]>i&&swapItem(t,a,s,r);l<M;){for(swapItem(t,a,l,M),l++,M--;a[2*l+e]<i;)l++;for(;a[2*M+e]>i;)M--}a[2*s+e]===i?swapItem(t,a,s,M):(M++,swapItem(t,a,M,r)),M<=o&&(s=M+1),o<=M&&(r=M-1)}}function swapItem(t,a,o,s){swap(t,o,s),swap(a,2*o,2*s),swap(a,2*o+1,2*s+1)}function swap(t,a,o){var s=t[a];t[a]=t[o],t[o]=s}module.exports=sortKD;
-},{}],151:[function(require,module,exports){
-"use strict";function within(s,p,r,t,u,h){for(var i=[0,s.length-1,0],o=[],n=u*u;i.length;){var e=i.pop(),a=i.pop(),f=i.pop();if(a-f<=h)for(var v=f;v<=a;v++)sqDist(p[2*v],p[2*v+1],r,t)<=n&&o.push(s[v]);else{var l=Math.floor((f+a)/2),c=p[2*l],q=p[2*l+1];sqDist(c,q,r,t)<=n&&o.push(s[l]);var D=(e+1)%2;(0===e?r-u<=c:t-u<=q)&&(i.push(f),i.push(l-1),i.push(D)),(0===e?r+u>=c:t+u>=q)&&(i.push(l+1),i.push(a),i.push(D))}}return o}function sqDist(s,p,r,t){var u=s-r,h=p-t;return u*u+h*h}module.exports=within;
-},{}],152:[function(require,module,exports){
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-function xyz2lab(r){return r>t3?Math.pow(r,1/3):r/t2+t0}function lab2xyz(r){return r>t1?r*r*r:t2*(r-t0)}function xyz2rgb(r){return 255*(r<=.0031308?12.92*r:1.055*Math.pow(r,1/2.4)-.055)}function rgb2xyz(r){return(r/=255)<=.04045?r/12.92:Math.pow((r+.055)/1.055,2.4)}function rgbToLab(r){var t=rgb2xyz(r[0]),a=rgb2xyz(r[1]),n=rgb2xyz(r[2]),b=xyz2lab((.4124564*t+.3575761*a+.1804375*n)/Xn),o=xyz2lab((.2126729*t+.7151522*a+.072175*n)/Yn),g=xyz2lab((.0193339*t+.119192*a+.9503041*n)/Zn);return[116*o-16,500*(b-o),200*(o-g),r[3]]}function labToRgb(r){var t=(r[0]+16)/116,a=isNaN(r[1])?t:t+r[1]/500,n=isNaN(r[2])?t:t-r[2]/200;return t=Yn*lab2xyz(t),a=Xn*lab2xyz(a),n=Zn*lab2xyz(n),[xyz2rgb(3.2404542*a-1.5371385*t-.4985314*n),xyz2rgb(-.969266*a+1.8760108*t+.041556*n),xyz2rgb(.0556434*a-.2040259*t+1.0572252*n),r[3]]}function rgbToHcl(r){var t=rgbToLab(r),a=t[0],n=t[1],b=t[2],o=Math.atan2(b,n)*rad2deg;return[o<0?o+360:o,Math.sqrt(n*n+b*b),a,r[3]]}function hclToRgb(r){var t=r[0]*deg2rad,a=r[1],n=r[2];return labToRgb([n,Math.cos(t)*a,Math.sin(t)*a,r[3]])}var Kn=18,Xn=.95047,Yn=1,Zn=1.08883,t0=4/29,t1=6/29,t2=3*t1*t1,t3=t1*t1*t1,deg2rad=Math.PI/180,rad2deg=180/Math.PI;module.exports={lab:{forward:rgbToLab,reverse:labToRgb},hcl:{forward:rgbToHcl,reverse:hclToRgb}};
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-"use strict";function deref(e,r){var f={};for(var t in e)"ref"!==t&&(f[t]=e[t]);return refProperties.forEach(function(e){e in r&&(f[e]=r[e])}),f}function derefLayers(e){e=e.slice();var r,f=Object.create(null);for(r=0;r<e.length;r++)f[e[r].id]=e[r];for(r=0;r<e.length;r++)"ref"in e[r]&&(e[r]=deref(e[r],f[e[r].ref]));return e}var refProperties=require("./util/ref_properties");module.exports=derefLayers;
-},{"./util/ref_properties":168}],163:[function(require,module,exports){
-"use strict";function diffSources(e,r,o,a){e=e||{},r=r||{};var s;for(s in e)e.hasOwnProperty(s)&&(r.hasOwnProperty(s)||(o.push({command:operations.removeSource,args:[s]}),a[s]=!0));for(s in r)r.hasOwnProperty(s)&&(e.hasOwnProperty(s)?isEqual(e[s],r[s])||(o.push({command:operations.removeSource,args:[s]}),o.push({command:operations.addSource,args:[s,r[s]]}),a[s]=!0):o.push({command:operations.addSource,args:[s,r[s]]}))}function diffLayerPropertyChanges(e,r,o,a,s,t){e=e||{},r=r||{};var n;for(n in e)e.hasOwnProperty(n)&&(isEqual(e[n],r[n])||o.push({command:t,args:[a,n,r[n],s]}));for(n in r)r.hasOwnProperty(n)&&!e.hasOwnProperty(n)&&(isEqual(e[n],r[n])||o.push({command:t,args:[a,n,r[n],s]}))}function pluckId(e){return e.id}function indexById(e,r){return e[r.id]=r,e}function diffLayers(e,r,o){e=e||[],r=r||[];var a,s,t,n,i,p,m,u=e.map(pluckId),l=r.map(pluckId),y=e.reduce(indexById,{}),c=r.reduce(indexById,{}),d=u.slice(),h=Object.create(null);for(a=0,s=0;a<u.length;a++)t=u[a],c.hasOwnProperty(t)?s++:(o.push({command:operations.removeLayer,args:[t]}),d.splice(d.indexOf(t,s),1));for(a=0,s=0;a<l.length;a++)t=l[l.length-1-a],d[d.length-1-a]!==t&&(y.hasOwnProperty(t)?(o.push({command:operations.removeLayer,args:[t]}),d.splice(d.lastIndexOf(t,d.length-s),1)):s++,p=d[d.length-a],o.push({command:operations.addLayer,args:[c[t],p]}),d.splice(d.length-a,0,t),h[t]=!0);for(a=0;a<l.length;a++)if(t=l[a],n=y[t],i=c[t],!h[t]&&!isEqual(n,i))if(isEqual(n.source,i.source)&&isEqual(n["source-layer"],i["source-layer"])&&isEqual(n.type,i.type)){diffLayerPropertyChanges(n.layout,i.layout,o,t,null,operations.setLayoutProperty),diffLayerPropertyChanges(n.paint,i.paint,o,t,null,operations.setPaintProperty),isEqual(n.filter,i.filter)||o.push({command:operations.setFilter,args:[t,i.filter]}),isEqual(n.minzoom,i.minzoom)&&isEqual(n.maxzoom,i.maxzoom)||o.push({command:operations.setLayerZoomRange,args:[t,i.minzoom,i.maxzoom]});for(m in n)n.hasOwnProperty(m)&&"layout"!==m&&"paint"!==m&&"filter"!==m&&"metadata"!==m&&"minzoom"!==m&&"maxzoom"!==m&&(0===m.indexOf("paint.")?diffLayerPropertyChanges(n[m],i[m],o,t,m.slice(6),operations.setPaintProperty):isEqual(n[m],i[m])||o.push({command:operations.setLayerProperty,args:[t,m,i[m]]}));for(m in i)i.hasOwnProperty(m)&&!n.hasOwnProperty(m)&&"layout"!==m&&"paint"!==m&&"filter"!==m&&"metadata"!==m&&"minzoom"!==m&&"maxzoom"!==m&&(0===m.indexOf("paint.")?diffLayerPropertyChanges(n[m],i[m],o,t,m.slice(6),operations.setPaintProperty):isEqual(n[m],i[m])||o.push({command:operations.setLayerProperty,args:[t,m,i[m]]}))}else o.push({command:operations.removeLayer,args:[t]}),p=d[d.lastIndexOf(t)+1],o.push({command:operations.addLayer,args:[i,p]})}function diffStyles(e,r){if(!e)return[{command:operations.setStyle,args:[r]}];var o=[];try{if(!isEqual(e.version,r.version))return[{command:operations.setStyle,args:[r]}];isEqual(e.center,r.center)||o.push({command:operations.setCenter,args:[r.center]}),isEqual(e.zoom,r.zoom)||o.push({command:operations.setZoom,args:[r.zoom]}),isEqual(e.bearing,r.bearing)||o.push({command:operations.setBearing,args:[r.bearing]}),isEqual(e.pitch,r.pitch)||o.push({command:operations.setPitch,args:[r.pitch]}),isEqual(e.sprite,r.sprite)||o.push({command:operations.setSprite,args:[r.sprite]}),isEqual(e.glyphs,r.glyphs)||o.push({command:operations.setGlyphs,args:[r.glyphs]}),isEqual(e.transition,r.transition)||o.push({command:operations.setTransition,args:[r.transition]}),isEqual(e.light,r.light)||o.push({command:operations.setLight,args:[r.light]});var a={},s=[];diffSources(e.sources,r.sources,s,a);var t=[];e.layers&&e.layers.forEach(function(e){a[e.source]?o.push({command:operations.removeLayer,args:[e.id]}):t.push(e)}),o=o.concat(s),diffLayers(t,r.layers,o)}catch(e){console.warn("Unable to compute style diff:",e),o=[{command:operations.setStyle,args:[r]}]}return o}var isEqual=require("lodash.isequal"),operations={setStyle:"setStyle",addLayer:"addLayer",removeLayer:"removeLayer",setPaintProperty:"setPaintProperty",setLayoutProperty:"setLayoutProperty",setFilter:"setFilter",addSource:"addSource",removeSource:"removeSource",setLayerZoomRange:"setLayerZoomRange",setLayerProperty:"setLayerProperty",setCenter:"setCenter",setZoom:"setZoom",setBearing:"setBearing",setPitch:"setPitch",setSprite:"setSprite",setGlyphs:"setGlyphs",setTransition:"setTransition",setLight:"setLight"};module.exports=diffStyles,module.exports.operations=operations;
-},{"lodash.isequal":157}],164:[function(require,module,exports){
-"use strict";function ValidationError(r,i){this.message=(r?r+": ":"")+format.apply(format,Array.prototype.slice.call(arguments,2)),null!==i&&void 0!==i&&i.__line__&&(this.line=i.__line__)}var format=require("util").format;module.exports=ValidationError;
-},{"util":203}],165:[function(require,module,exports){
-"use strict";function key(r){return stringify(refProperties.map(function(e){return r[e]}))}function groupByLayout(r){var e,t,i={};for(e=0;e<r.length;e++){t=key(r[e]);var u=i[t];u||(u=i[t]=[]),u.push(r[e])}var n=[];for(t in i)n.push(i[t]);return n}var refProperties=require("./util/ref_properties"),stringify=require("fast-stable-stringify");module.exports=groupByLayout;
-},{"./util/ref_properties":168,"fast-stable-stringify":134}],166:[function(require,module,exports){
-"use strict";module.exports=function(r){for(var t=1;t<arguments.length;t++){var e=arguments[t];for(var n in e)r[n]=e[n]}return r};
-},{}],167:[function(require,module,exports){
-"use strict";module.exports=function(n){return n instanceof Number?"number":n instanceof String?"string":n instanceof Boolean?"boolean":Array.isArray(n)?"array":null===n?"null":typeof n};
-},{}],168:[function(require,module,exports){
-"use strict";module.exports=["type","source","source-layer","minzoom","maxzoom","filter","layout"];
-},{}],169:[function(require,module,exports){
-"use strict";module.exports=function(n){return n instanceof Number||n instanceof String||n instanceof Boolean?n.valueOf():n};
-},{}],170:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),extend=require("../util/extend");module.exports=function(e){var r=require("./validate_function"),t=require("./validate_object"),i={"*":function(){return[]},array:require("./validate_array"),boolean:require("./validate_boolean"),number:require("./validate_number"),color:require("./validate_color"),constants:require("./validate_constants"),enum:require("./validate_enum"),filter:require("./validate_filter"),function:require("./validate_function"),layer:require("./validate_layer"),object:require("./validate_object"),source:require("./validate_source"),light:require("./validate_light"),string:require("./validate_string")},a=e.value,n=e.valueSpec,u=e.key,o=e.styleSpec,l=e.style;if("string"===getType(a)&&"@"===a[0]){if(o.$version>7)return[new ValidationError(u,a,"constants have been deprecated as of v8")];if(!(a in l.constants))return[new ValidationError(u,a,'constant "%s" not found',a)];e=extend({},e,{value:l.constants[a]})}return n.function&&"object"===getType(a)?r(e):n.type&&i[n.type]?i[n.type](e):t(extend({},e,{valueSpec:n.type?o[n.type]:n}))};
-},{"../error/validation_error":164,"../util/extend":166,"../util/get_type":167,"./validate_array":171,"./validate_boolean":172,"./validate_color":173,"./validate_constants":174,"./validate_enum":175,"./validate_filter":176,"./validate_function":177,"./validate_layer":179,"./validate_light":181,"./validate_number":182,"./validate_object":183,"./validate_source":185,"./validate_string":186}],171:[function(require,module,exports){
-"use strict";var getType=require("../util/get_type"),validate=require("./validate"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.value,t=e.valueSpec,a=e.style,n=e.styleSpec,l=e.key,i=e.arrayElementValidator||validate;if("array"!==getType(r))return[new ValidationError(l,r,"array expected, %s found",getType(r))];if(t.length&&r.length!==t.length)return[new ValidationError(l,r,"array length %d expected, length %d found",t.length,r.length)];if(t["min-length"]&&r.length<t["min-length"])return[new ValidationError(l,r,"array length at least %d expected, length %d found",t["min-length"],r.length)];var o={type:t.value};n.$version<7&&(o.function=t.function),"object"===getType(t.value)&&(o=t.value);for(var u=[],d=0;d<r.length;d++)u=u.concat(i({array:r,arrayIndex:d,value:r[d],valueSpec:o,style:a,styleSpec:n,key:l+"["+d+"]"}));return u};
-},{"../error/validation_error":164,"../util/get_type":167,"./validate":170}],172:[function(require,module,exports){
-"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.value,o=e.key,t=getType(r);return"boolean"!==t?[new ValidationError(o,r,"boolean expected, %s found",t)]:[]};
-},{"../error/validation_error":164,"../util/get_type":167}],173:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),parseCSSColor=require("csscolorparser").parseCSSColor;module.exports=function(r){var e=r.key,o=r.value,t=getType(o);return"string"!==t?[new ValidationError(e,o,"color expected, %s found",t)]:null===parseCSSColor(o)?[new ValidationError(e,o,'color expected, "%s" found',o)]:[]};
-},{"../error/validation_error":164,"../util/get_type":167,"csscolorparser":132}],174:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type");module.exports=function(r){var e=r.key,t=r.value,a=r.styleSpec;if(a.$version>7)return t?[new ValidationError(e,t,"constants have been deprecated as of v8")]:[];var o=getType(t);if("object"!==o)return[new ValidationError(e,t,"object expected, %s found",o)];var n=[];for(var i in t)"@"!==i[0]&&n.push(new ValidationError(e+"."+i,t[i],'constants must start with "@"'));return n};
-},{"../error/validation_error":164,"../util/get_type":167}],175:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint");module.exports=function(e){var r=e.key,n=e.value,u=e.valueSpec,o=[];return Array.isArray(u.values)?u.values.indexOf(unbundle(n))===-1&&o.push(new ValidationError(r,n,"expected one of [%s], %s found",u.values.join(", "),n)):Object.keys(u.values).indexOf(unbundle(n))===-1&&o.push(new ValidationError(r,n,"expected one of [%s], %s found",Object.keys(u.values).join(", "),n)),o};
-},{"../error/validation_error":164,"../util/unbundle_jsonlint":169}],176:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),validateEnum=require("./validate_enum"),getType=require("../util/get_type"),unbundle=require("../util/unbundle_jsonlint");module.exports=function e(t){var r,a=t.value,n=t.key,l=t.styleSpec,s=[];if("array"!==getType(a))return[new ValidationError(n,a,"array expected, %s found",getType(a))];if(a.length<1)return[new ValidationError(n,a,"filter array must have at least 1 element")];switch(s=s.concat(validateEnum({key:n+"[0]",value:a[0],valueSpec:l.filter_operator,style:t.style,styleSpec:t.styleSpec})),unbundle(a[0])){case"<":case"<=":case">":case">=":a.length>=2&&"$type"==a[1]&&s.push(new ValidationError(n,a,'"$type" cannot be use with operator "%s"',a[0]));case"==":case"!=":3!=a.length&&s.push(new ValidationError(n,a,'filter array for operator "%s" must have 3 elements',a[0]));case"in":case"!in":a.length>=2&&(r=getType(a[1]),"string"!==r?s.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",r)):"@"===a[1][0]&&s.push(new ValidationError(n+"[1]",a[1],"filter key cannot be a constant")));for(var o=2;o<a.length;o++)r=getType(a[o]),"$type"==a[1]?s=s.concat(validateEnum({key:n+"["+o+"]",value:a[o],valueSpec:l.geometry_type,style:t.style,styleSpec:t.styleSpec})):"string"===r&&"@"===a[o][0]?s.push(new ValidationError(n+"["+o+"]",a[o],"filter value cannot be a constant")):"string"!==r&&"number"!==r&&"boolean"!==r&&s.push(new ValidationError(n+"["+o+"]",a[o],"string, number, or boolean expected, %s found",r));break;case"any":case"all":case"none":for(o=1;o<a.length;o++)s=s.concat(e({key:n+"["+o+"]",value:a[o],style:t.style,styleSpec:t.styleSpec}));break;case"has":case"!has":r=getType(a[1]),2!==a.length?s.push(new ValidationError(n,a,'filter array for "%s" operator must have 2 elements',a[0])):"string"!==r?s.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",r)):"@"===a[1][0]&&s.push(new ValidationError(n+"[1]",a[1],"filter key cannot be a constant"))}return s};
-},{"../error/validation_error":164,"../util/get_type":167,"../util/unbundle_jsonlint":169,"./validate_enum":175}],177:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate"),validateObject=require("./validate_object"),validateArray=require("./validate_array"),validateNumber=require("./validate_number"),unbundle=require("../util/unbundle_jsonlint");module.exports=function(e){function t(e){if("identity"===l)return[new ValidationError(e.key,e.value,'identity function may not have a "stops" property')];var t=[],a=e.value;return t=t.concat(validateArray({key:e.key,value:a,valueSpec:e.valueSpec,style:e.style,styleSpec:e.styleSpec,arrayElementValidator:r})),"array"===getType(a)&&0===a.length&&t.push(new ValidationError(e.key,a,"array must have at least one stop")),t}function r(e){var t=[],r=e.value,o=e.key;if("array"!==getType(r))return[new ValidationError(o,r,"array expected, %s found",getType(r))];if(2!==r.length)return[new ValidationError(o,r,"array length %d expected, length %d found",2,r.length)];if(s){if("object"!==getType(r[0]))return[new ValidationError(o,r,"object expected, %s found",getType(r[0]))];if(void 0===r[0].zoom)return[new ValidationError(o,r,"object stop key must have zoom")];if(void 0===r[0].value)return[new ValidationError(o,r,"object stop key must have value")];t=t.concat(validateObject({key:o+"[0]",value:r[0],valueSpec:{zoom:{}},style:e.style,styleSpec:e.styleSpec,objectElementValidators:{zoom:validateNumber,value:a}}))}else t=t.concat((i?validateNumber:a)({key:o+"[0]",value:r[0],valueSpec:{},style:e.style,styleSpec:e.styleSpec}));return t=t.concat(validate({key:o+"[1]",value:r[1],valueSpec:n,style:e.style,styleSpec:e.styleSpec})),"number"===getType(r[0])&&("piecewise-constant"===n.function&&r[0]%1!==0&&t.push(new ValidationError(o+"[0]",r[0],"zoom level for piecewise-constant functions must be an integer")),0!==e.arrayIndex&&r[0]<e.array[e.arrayIndex-1][0]&&t.push(new ValidationError(o+"[0]",r[0],"array stops must appear in ascending order"))),t}function a(e){var t=getType(e.value);if(o){if(t!==o)return[new ValidationError(e.key,e.value,"%s stop domain type must match previous stop domain type %s",t,o)]}else o=t,l||"string"!==t||(l="categorical");return"number"!==t&&"string"!==t?[new ValidationError(e.key,e.value,"property value must be a number or string")]:"number"!==t&&"categorical"!==l?[new ValidationError(e.key,e.value,"number expected, %s found",t)]:[]}var o,n=e.valueSpec,l=unbundle(e.value.type),i=void 0===e.value.property,u=void 0!==e.value.property,s="array"===getType(e.value.stops)&&"array"===getType(e.value.stops[0])&&"object"===getType(e.value.stops[0][0]),p=validateObject({key:e.key,value:e.value,valueSpec:e.styleSpec.function,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{stops:t}});return"identity"===l||e.value.stops||p.push(new ValidationError(e.key,e.value,'missing required property "stops"')),e.styleSpec.$version>=8&&(u&&!e.valueSpec["property-function"]?p.push(new ValidationError(e.key,e.value,"property functions not supported")):i&&!e.valueSpec["zoom-function"]&&p.push(new ValidationError(e.key,e.value,"zoom functions not supported"))),p};
-},{"../error/validation_error":164,"../util/get_type":167,"../util/unbundle_jsonlint":169,"./validate":170,"./validate_array":171,"./validate_number":182,"./validate_object":183}],178:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),validateString=require("./validate_string");module.exports=function(r){var e=r.value,t=r.key,a=validateString(r);return a.length?a:(e.indexOf("{fontstack}")===-1&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{fontstack}" token')),e.indexOf("{range}")===-1&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{range}" token')),a)};
-},{"../error/validation_error":164,"./validate_string":186}],179:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint"),validateObject=require("./validate_object"),validateFilter=require("./validate_filter"),validatePaintProperty=require("./validate_paint_property"),validateLayoutProperty=require("./validate_layout_property"),extend=require("../util/extend");module.exports=function(e){var r=[],t=e.value,a=e.key,i=e.style,l=e.styleSpec;t.type||t.ref||r.push(new ValidationError(a,t,'either "type" or "ref" is required'));var o=unbundle(t.type),u=unbundle(t.ref);if(t.id)for(var n=0;n<e.arrayIndex;n++){var s=i.layers[n];unbundle(s.id)===unbundle(t.id)&&r.push(new ValidationError(a,t.id,'duplicate layer id "%s", previously used at line %d',t.id,s.id.__line__))}if("ref"in t){["type","source","source-layer","filter","layout"].forEach(function(e){e in t&&r.push(new ValidationError(a,t[e],'"%s" is prohibited for ref layers',e))});var d;i.layers.forEach(function(e){e.id==u&&(d=e)}),d?d.ref?r.push(new ValidationError(a,t.ref,"ref cannot reference another ref layer")):o=unbundle(d.type):r.push(new ValidationError(a,t.ref,'ref layer "%s" not found',u))}else if("background"!==o)if(t.source){var y=i.sources&&i.sources[t.source];y?"vector"==y.type&&"raster"==o?r.push(new ValidationError(a,t.source,'layer "%s" requires a raster source',t.id)):"raster"==y.type&&"raster"!=o?r.push(new ValidationError(a,t.source,'layer "%s" requires a vector source',t.id)):"vector"!=y.type||t["source-layer"]||r.push(new ValidationError(a,t,'layer "%s" must specify a "source-layer"',t.id)):r.push(new ValidationError(a,t.source,'source "%s" not found',t.source))}else r.push(new ValidationError(a,t,'missing required property "source"'));return r=r.concat(validateObject({key:a,value:t,valueSpec:l.layer,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(){return[]},filter:validateFilter,layout:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validateLayoutProperty(extend({layerType:o},e))}}})},paint:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validatePaintProperty(extend({layerType:o},e))}}})}}}))};
-},{"../error/validation_error":164,"../util/extend":166,"../util/unbundle_jsonlint":169,"./validate_filter":176,"./validate_layout_property":180,"./validate_object":183,"./validate_paint_property":184}],180:[function(require,module,exports){
-"use strict";var validate=require("./validate"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.key,t=e.style,a=e.styleSpec,i=e.value,l=e.objectKey,o=a["layout_"+e.layerType];if(!o)return[];if(e.valueSpec||o[l]){var s=[];return"symbol"===e.layerType&&("icon-image"===l&&t&&!t.sprite?s.push(new ValidationError(r,i,'use of "icon-image" requires a style "sprite" property')):"text-field"===l&&t&&!t.glyphs&&s.push(new ValidationError(r,i,'use of "text-field" requires a style "glyphs" property'))),s.concat(validate({key:e.key,value:i,valueSpec:e.valueSpec||o[l],style:t,styleSpec:a}))}return[new ValidationError(r,i,'unknown property "%s"',l)]};
-},{"../error/validation_error":164,"./validate":170}],181:[function(require,module,exports){
-"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate");module.exports=function(e){var t=e.value,r=e.styleSpec,a=r.light,i=e.style,n=[],o=getType(t);if(void 0===t)return n;if("object"!==o)return n=n.concat([new ValidationError("light",t,"object expected, %s found",o)]);for(var l in t){var c=l.match(/^(.*)-transition$/);n=c&&a[c[1]]&&a[c[1]].transition?n.concat(validate({key:l,value:t[l],valueSpec:r.transition,style:i,styleSpec:r})):a[l]?n.concat(validate({key:l,value:t[l],valueSpec:a[l],style:i,styleSpec:r})):n.concat([new ValidationError(l,t[l],'unknown property "%s"',l)])}return n};
-},{"../error/validation_error":164,"../util/get_type":167,"./validate":170}],182:[function(require,module,exports){
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-"use strict";function Buffer(t){var e;t&&t.length&&(e=t,t=e.length);var r=new Uint8Array(t||0);return e&&r.set(e),r.readUInt32LE=BufferMethods.readUInt32LE,r.writeUInt32LE=BufferMethods.writeUInt32LE,r.readInt32LE=BufferMethods.readInt32LE,r.writeInt32LE=BufferMethods.writeInt32LE,r.readFloatLE=BufferMethods.readFloatLE,r.writeFloatLE=BufferMethods.writeFloatLE,r.readDoubleLE=BufferMethods.readDoubleLE,r.writeDoubleLE=BufferMethods.writeDoubleLE,r.toString=BufferMethods.toString,r.write=BufferMethods.write,r.slice=BufferMethods.slice,r.copy=BufferMethods.copy,r._isBuffer=!0,r}function encodeString(t){for(var e,r,n=t.length,i=[],o=0;o<n;o++){if(e=t.charCodeAt(o),e>55295&&e<57344){if(!r){e>56319||o+1===n?i.push(239,191,189):r=e;continue}if(e<56320){i.push(239,191,189),r=e;continue}e=r-55296<<10|e-56320|65536,r=null}else r&&(i.push(239,191,189),r=null);e<128?i.push(e):e<2048?i.push(e>>6|192,63&e|128):e<65536?i.push(e>>12|224,e>>6&63|128,63&e|128):i.push(e>>18|240,e>>12&63|128,e>>6&63|128,63&e|128)}return i}module.exports=Buffer;var ieee754=require("ieee754"),BufferMethods,lastStr,lastStrEncoded;BufferMethods={readUInt32LE:function(t){return(this[t]|this[t+1]<<8|this[t+2]<<16)+16777216*this[t+3]},writeUInt32LE:function(t,e){this[e]=t,this[e+1]=t>>>8,this[e+2]=t>>>16,this[e+3]=t>>>24},readInt32LE:function(t){return(this[t]|this[t+1]<<8|this[t+2]<<16)+(this[t+3]<<24)},readFloatLE:function(t){return ieee754.read(this,t,!0,23,4)},readDoubleLE:function(t){return ieee754.read(this,t,!0,52,8)},writeFloatLE:function(t,e){return ieee754.write(this,t,e,!0,23,4)},writeDoubleLE:function(t,e){return ieee754.write(this,t,e,!0,52,8)},toString:function(t,e,r){var n="",i="";e=e||0,r=Math.min(this.length,r||this.length);for(var o=e;o<r;o++){var u=this[o];u<=127?(n+=decodeURIComponent(i)+String.fromCharCode(u),i=""):i+="%"+u.toString(16)}return n+=decodeURIComponent(i)},write:function(t,e){for(var r=t===lastStr?lastStrEncoded:encodeString(t),n=0;n<r.length;n++)this[e+n]=r[n]},slice:function(t,e){return this.subarray(t,e)},copy:function(t,e){e=e||0;for(var r=0;r<this.length;r++)t[e+r]=this[r]}},BufferMethods.writeInt32LE=BufferMethods.writeUInt32LE,Buffer.byteLength=function(t){return lastStr=t,lastStrEncoded=encodeString(t),lastStrEncoded.length},Buffer.isBuffer=function(t){return!(!t||!t._isBuffer)};
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e=0;e<t.length;e++)i.writeVarint(t[e])}function writePackedSVarint(t,i){for(var e=0;e<t.length;e++)i.writeSVarint(t[e])}function writePackedFloat(t,i){for(var e=0;e<t.length;e++)i.writeFloat(t[e])}function writePackedDouble(t,i){for(var e=0;e<t.length;e++)i.writeDouble(t[e])}function writePackedBoolean(t,i){for(var e=0;e<t.length;e++)i.writeBoolean(t[e])}function writePackedFixed32(t,i){for(var e=0;e<t.length;e++)i.writeFixed32(t[e])}function writePackedSFixed32(t,i){for(var e=0;e<t.length;e++)i.writeSFixed32(t[e])}function writePackedFixed64(t,i){for(var e=0;e<t.length;e++)i.writeFixed64(t[e])}function writePackedSFixed64(t,i){for(var e=0;e<t.length;e++)i.writeSFixed64(t[e])}module.exports=Pbf;var Buffer=global.Buffer||require("./buffer");Pbf.Varint=0,Pbf.Fixed64=1,Pbf.Bytes=2,Pbf.Fixed32=5;var SHIFT_LEFT_32=4294967296,SHIFT_RIGHT_32=1/SHIFT_LEFT_32,POW_2_63=Math.pow(2,63);Pbf.prototype={destroy:function(){this.buf=null},readFields:function(t,i,e){for(e=e||this.length;this.pos<e;){var r=this.readVarint(),s=r>>3,n=this.pos;t(s,i,this),this.pos===n&&this.skip(r)}return i},readMessage:function(t,i){return this.readFields(t,i,this.readVarint()+this.pos)},readFixed32:function(){var t=this.buf.readUInt32LE(this.pos);return this.pos+=4,t},readSFixed32:function(){var t=this.buf.readInt32LE(this.pos);return this.pos+=4,t},readFixed64:function(){var t=this.buf.readUInt32LE(this.pos)+this.buf.readUInt32LE(this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readSFixed64:function(){var t=this.buf.readUInt32LE(this.pos)+this.buf.readInt32LE(this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readFloat:function(){var t=this.buf.readFloatLE(this.pos);return this.pos+=4,t},readDouble:function(){var t=this.buf.readDoubleLE(this.pos);return this.pos+=8,t},readVarint:function(){var t,i,e=this.buf;return i=e[this.pos++],t=127&i,i<128?t:(i=e[this.pos++],t|=(127&i)<<7,i<128?t:(i=e[this.pos++],t|=(127&i)<<14,i<128?t:(i=e[this.pos++],t|=(127&i)<<21,i<128?t:readVarintRemainder(t,this))))},readVarint64:function(){var t=this.pos,i=this.readVarint();if(i<POW_2_63)return i;for(var e=this.pos-2;255===this.buf[e];)e--;e<t&&(e=t),i=0;for(var r=0;r<e-t+1;r++){var s=127&~this.buf[t+r];i+=r<4?s<<7*r:s*Math.pow(2,7*r)}return-i-1},readSVarint:function(){var t=this.readVarint();return t%2===1?(t+1)/-2:t/2},readBoolean:function(){return Boolean(this.readVarint())},readString:function(){var t=this.readVarint()+this.pos,i=this.buf.toString("utf8",this.pos,t);return this.pos=t,i},readBytes:function(){var t=this.readVarint()+this.pos,i=this.buf.slice(this.pos,t);return this.pos=t,i},readPackedVarint:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readVarint());return i},readPackedSVarint:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readSVarint());return i},readPackedBoolean:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readBoolean());return i},readPackedFloat:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readFloat());return i},readPackedDouble:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readDouble());return i},readPackedFixed32:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readFixed32());return i},readPackedSFixed32:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readSFixed32());return i},readPackedFixed64:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readFixed64());return i},readPackedSFixed64:function(){for(var t=this.readVarint()+this.pos,i=[];this.pos<t;)i.push(this.readSFixed64());return i},skip:function(t){var i=7&t;if(i===Pbf.Varint)for(;this.buf[this.pos++]>127;);else if(i===Pbf.Bytes)this.pos=this.readVarint()+this.pos;else if(i===Pbf.Fixed32)this.pos+=4;else{if(i!==Pbf.Fixed64)throw new Error("Unimplemented type: "+i);this.pos+=8}},writeTag:function(t,i){this.writeVarint(t<<3|i)},realloc:function(t){for(var i=this.length||16;i<this.pos+t;)i*=2;if(i!==this.length){var e=new Buffer(i);this.buf.copy(e),this.buf=e,this.length=i}},finish:function(){return 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r=this.pos-e;r>=128&&reallocForRawMessage(e,r,this),this.pos=e-1,this.writeVarint(r),this.pos+=r},writeMessage:function(t,i,e){this.writeTag(t,Pbf.Bytes),this.writeRawMessage(i,e)},writePackedVarint:function(t,i){this.writeMessage(t,writePackedVarint,i)},writePackedSVarint:function(t,i){this.writeMessage(t,writePackedSVarint,i)},writePackedBoolean:function(t,i){this.writeMessage(t,writePackedBoolean,i)},writePackedFloat:function(t,i){this.writeMessage(t,writePackedFloat,i)},writePackedDouble:function(t,i){this.writeMessage(t,writePackedDouble,i)},writePackedFixed32:function(t,i){this.writeMessage(t,writePackedFixed32,i)},writePackedSFixed32:function(t,i){this.writeMessage(t,writePackedSFixed32,i)},writePackedFixed64:function(t,i){this.writeMessage(t,writePackedFixed64,i)},writePackedSFixed64:function(t,i){this.writeMessage(t,writePackedSFixed64,i)},writeBytesField:function(t,i){this.writeTag(t,Pbf.Bytes),this.writeBytes(i)},writeFixed32Field:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeFixed32(i)},writeSFixed32Field:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeSFixed32(i)},writeFixed64Field:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeFixed64(i)},writeSFixed64Field:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeSFixed64(i)},writeVarintField:function(t,i){this.writeTag(t,Pbf.Varint),this.writeVarint(i)},writeSVarintField:function(t,i){this.writeTag(t,Pbf.Varint),this.writeSVarint(i)},writeStringField:function(t,i){this.writeTag(t,Pbf.Bytes),this.writeString(i)},writeFloatField:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeFloat(i)},writeDoubleField:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeDouble(i)},writeBooleanField:function(t,i){this.writeVarintField(t,Boolean(i))}};
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-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.ShelfPack=e()}(this,function(){function t(t,e,s){s=s||{},this.w=t||64,this.h=e||64,this.autoResize=!!s.autoResize,this.shelves=[],this.stats={},this.count=function(t){this.stats[t]=(0|this.stats[t])+1}}function e(t,e,s){this.x=0,this.y=t,this.w=this.free=e,this.h=s}return t.prototype.pack=function(t,e){t=[].concat(t),e=e||{};for(var s,h,i,n=[],r=0;r<t.length;r++)if(s=t[r].w||t[r].width,h=t[r].h||t[r].height,s&&h){if(i=this.packOne(s,h),!i)continue;e.inPlace&&(t[r].x=i.x,t[r].y=i.y),n.push(i)}if(this.shelves.length>0){for(var o=0,f=0,u=0;u<this.shelves.length;u++){var l=this.shelves[u];f+=l.h,o=Math.max(l.w-l.free,o)}this.resize(o,f)}return n},t.prototype.packOne=function(t,s){for(var h,i,n=0,r={shelf:-1,waste:1/0},o=0;o<this.shelves.length;o++){if(h=this.shelves[o],n+=h.h,s===h.h&&t<=h.free)return this.count(s),h.alloc(t,s);s>h.h||t>h.free||s<h.h&&t<=h.free&&(i=h.h-s,i<r.waste&&(r.waste=i,r.shelf=o))}if(r.shelf!==-1)return h=this.shelves[r.shelf],this.count(s),h.alloc(t,s);if(s<=this.h-n&&t<=this.w)return h=new e(n,this.w,s),this.shelves.push(h),this.count(s),h.alloc(t,s);if(this.autoResize){var f,u,l,a;return f=u=this.h,l=a=this.w,(l<=f||t>l)&&(a=2*Math.max(t,l)),(f<l||s>f)&&(u=2*Math.max(s,f)),this.resize(a,u),this.packOne(t,s)}return null},t.prototype.clear=function(){this.shelves=[],this.stats={}},t.prototype.resize=function(t,e){this.w=t,this.h=e;for(var s=0;s<this.shelves.length;s++)this.shelves[s].resize(t);return!0},e.prototype.alloc=function(t,e){if(t>this.free||e>this.h)return null;var s=this.x;return this.x+=t,this.free-=t,{x:s,y:this.y,w:t,h:e,width:t,height:e}},e.prototype.resize=function(t){return this.free+=t-this.w,this.w=t,!0},t});
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-"use strict";function supercluster(t){return new SuperCluster(t)}function SuperCluster(t){this.options=extend(Object.create(this.options),t),this.trees=new Array(this.options.maxZoom+1)}function createCluster(t,e,o,n){return{x:t,y:e,zoom:1/0,id:n,numPoints:o}}function createPointCluster(t,e){var o=t.geometry.coordinates;return createCluster(lngX(o[0]),latY(o[1]),1,e)}function getClusterJSON(t){return{type:"Feature",properties:getClusterProperties(t),geometry:{type:"Point",coordinates:[xLng(t.x),yLat(t.y)]}}}function getClusterProperties(t){var e=t.numPoints,o=e>=1e4?Math.round(e/1e3)+"k":e>=1e3?Math.round(e/100)/10+"k":e;return{cluster:!0,point_count:e,point_count_abbreviated:o}}function lngX(t){return t/360+.5}function latY(t){var e=Math.sin(t*Math.PI/180),o=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return o<0?0:o>1?1:o}function xLng(t){return 360*(t-.5)}function yLat(t){var e=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(e))/Math.PI-90}function extend(t,e){for(var o in e)t[o]=e[o];return t}function getX(t){return t.x}function getY(t){return t.y}var kdbush=require("kdbush");module.exports=supercluster,SuperCluster.prototype={options:{minZoom:0,maxZoom:16,radius:40,extent:512,nodeSize:64,log:!1},load:function(t){var e=this.options.log;e&&console.time("total time");var o="prepare "+t.length+" points";e&&console.time(o),this.points=t;var n=t.map(createPointCluster);e&&console.timeEnd(o);for(var r=this.options.maxZoom;r>=this.options.minZoom;r--){var i=+Date.now();this.trees[r+1]=kdbush(n,getX,getY,this.options.nodeSize,Float32Array),n=this._cluster(n,r),e&&console.log("z%d: %d clusters in %dms",r,n.length,+Date.now()-i)}return this.trees[this.options.minZoom]=kdbush(n,getX,getY,this.options.nodeSize,Float32Array),e&&console.timeEnd("total time"),this},getClusters:function(t,e){for(var o=this.trees[this._limitZoom(e)],n=o.range(lngX(t[0]),latY(t[3]),lngX(t[2]),latY(t[1])),r=[],i=0;i<n.length;i++){var s=o.points[n[i]];r.push(s.id!==-1?this.points[s.id]:getClusterJSON(s))}return r},getTile:function(t,e,o){var n=this.trees[this._limitZoom(t)],r=Math.pow(2,t),i=this.options.extent,s=this.options.radius,u=s/i,a=(o-u)/r,h=(o+1+u)/r,l={features:[]};return this._addTileFeatures(n.range((e-u)/r,a,(e+1+u)/r,h),n.points,e,o,r,l),0===e&&this._addTileFeatures(n.range(1-u/r,a,1,h),n.points,r,o,r,l),e===r-1&&this._addTileFeatures(n.range(0,a,u/r,h),n.points,-1,o,r,l),l.features.length?l:null},_addTileFeatures:function(t,e,o,n,r,i){for(var s=0;s<t.length;s++){var u=e[t[s]];i.features.push({type:1,geometry:[[Math.round(this.options.extent*(u.x*r-o)),Math.round(this.options.extent*(u.y*r-n))]],tags:u.id!==-1?this.points[u.id].properties:getClusterProperties(u)})}},_limitZoom:function(t){return Math.max(this.options.minZoom,Math.min(t,this.options.maxZoom+1))},_cluster:function(t,e){for(var o=[],n=this.options.radius/(this.options.extent*Math.pow(2,e)),r=0;r<t.length;r++){var i=t[r];if(!(i.zoom<=e)){i.zoom=e;for(var s=this.trees[e+1],u=s.within(i.x,i.y,n),a=!1,h=i.numPoints,l=i.x*h,p=i.y*h,m=0;m<u.length;m++){var c=s.points[u[m]];e<c.zoom&&(a=!0,c.zoom=e,l+=c.x*c.numPoints,p+=c.y*c.numPoints,h+=c.numPoints)}o.push(a?createCluster(l/h,p/h,h,-1):i)}}return o}};
-},{"kdbush":148}],199:[function(require,module,exports){
-"use strict";function TinyQueue(t,i){if(!(this instanceof TinyQueue))return new TinyQueue(t,i);if(this.data=t||[],this.length=this.data.length,this.compare=i||defaultCompare,t)for(var a=Math.floor(this.length/2);a>=0;a--)this._down(a)}function defaultCompare(t,i){return t<i?-1:t>i?1:0}function swap(t,i,a){var n=t[i];t[i]=t[a],t[a]=n}module.exports=TinyQueue,TinyQueue.prototype={push:function(t){this.data.push(t),this.length++,this._up(this.length-1)},pop:function(){var t=this.data[0];return this.data[0]=this.data[this.length-1],this.length--,this.data.pop(),this._down(0),t},peek:function(){return this.data[0]},_up:function(t){for(var i=this.data,a=this.compare;t>0;){var n=Math.floor((t-1)/2);if(!(a(i[t],i[n])<0))break;swap(i,n,t),t=n}},_down:function(t){for(var i=this.data,a=this.compare,n=this.length;;){var e=2*t+1,h=e+1,s=t;if(e<n&&a(i[e],i[s])<0&&(s=e),h<n&&a(i[h],i[s])<0&&(s=h),s===t)return;swap(i,s,t),t=s}}};
-},{}],200:[function(require,module,exports){
-function UnitBezier(t,i,e,r){this.cx=3*t,this.bx=3*(e-t)-this.cx,this.ax=1-this.cx-this.bx,this.cy=3*i,this.by=3*(r-i)-this.cy,this.ay=1-this.cy-this.by,this.p1x=t,this.p1y=r,this.p2x=e,this.p2y=r}module.exports=UnitBezier,UnitBezier.prototype.sampleCurveX=function(t){return((this.ax*t+this.bx)*t+this.cx)*t},UnitBezier.prototype.sampleCurveY=function(t){return((this.ay*t+this.by)*t+this.cy)*t},UnitBezier.prototype.sampleCurveDerivativeX=function(t){return(3*this.ax*t+2*this.bx)*t+this.cx},UnitBezier.prototype.solveCurveX=function(t,i){"undefined"==typeof i&&(i=1e-6);var e,r,s,h,n;for(s=t,n=0;n<8;n++){if(h=this.sampleCurveX(s)-t,Math.abs(h)<i)return s;var u=this.sampleCurveDerivativeX(s);if(Math.abs(u)<1e-6)break;s-=h/u}if(e=0,r=1,s=t,s<e)return e;if(s>r)return r;for(;e<r;){if(h=this.sampleCurveX(s),Math.abs(h-t)<i)return s;t>h?e=s:r=s,s=.5*(r-e)+e}return s},UnitBezier.prototype.solve=function(t,i){return this.sampleCurveY(this.solveCurveX(t,i))};
-},{}],201:[function(require,module,exports){
-"function"==typeof Object.create?module.exports=function(t,e){t.super_=e,t.prototype=Object.create(e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}})}:module.exports=function(t,e){t.super_=e;var o=function(){};o.prototype=e.prototype,t.prototype=new o,t.prototype.constructor=t};
-},{}],202:[function(require,module,exports){
-module.exports=function(o){return o&&"object"==typeof o&&"function"==typeof o.copy&&"function"==typeof o.fill&&"function"==typeof o.readUInt8};
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-},{"./support/isBuffer":202,"_process":195,"inherits":201}],204:[function(require,module,exports){
-module.exports.VectorTile=require("./lib/vectortile.js"),module.exports.VectorTileFeature=require("./lib/vectortilefeature.js"),module.exports.VectorTileLayer=require("./lib/vectortilelayer.js");
-},{"./lib/vectortile.js":205,"./lib/vectortilefeature.js":206,"./lib/vectortilelayer.js":207}],205:[function(require,module,exports){
-"use strict";function VectorTile(e,r){this.layers=e.readFields(readTile,{},r)}function readTile(e,r,i){if(3===e){var t=new VectorTileLayer(i,i.readVarint()+i.pos);t.length&&(r[t.name]=t)}}var VectorTileLayer=require("./vectortilelayer");module.exports=VectorTile;
-},{"./vectortilelayer":207}],206:[function(require,module,exports){
-"use strict";function VectorTileFeature(e,t,r,i,a){this.properties={},this.extent=r,this.type=0,this._pbf=e,this._geometry=-1,this._keys=i,this._values=a,e.readFields(readFeature,this,t)}function readFeature(e,t,r){1==e?t.id=r.readVarint():2==e?readTag(r,t):3==e?t.type=r.readVarint():4==e&&(t._geometry=r.pos)}function readTag(e,t){for(var r=e.readVarint()+e.pos;e.pos<r;){var i=t._keys[e.readVarint()],a=t._values[e.readVarint()];t.properties[i]=a}}function classifyRings(e){var t=e.length;if(t<=1)return[e];for(var r,i,a=[],o=0;o<t;o++){var n=signedArea(e[o]);0!==n&&(void 0===i&&(i=n<0),i===n<0?(r&&a.push(r),r=[e[o]]):r.push(e[o]))}return r&&a.push(r),a}function signedArea(e){for(var t,r,i=0,a=0,o=e.length,n=o-1;a<o;n=a++)t=e[a],r=e[n],i+=(r.x-t.x)*(t.y+r.y);return i}var Point=require("point-geometry");module.exports=VectorTileFeature,VectorTileFeature.types=["Unknown","Point","LineString","Polygon"],VectorTileFeature.prototype.loadGeometry=function(){var e=this._pbf;e.pos=this._geometry;for(var t,r=e.readVarint()+e.pos,i=1,a=0,o=0,n=0,s=[];e.pos<r;){if(!a){var p=e.readVarint();i=7&p,a=p>>3}if(a--,1===i||2===i)o+=e.readSVarint(),n+=e.readSVarint(),1===i&&(t&&s.push(t),t=[]),t.push(new Point(o,n));else{if(7!==i)throw new Error("unknown command "+i);t&&t.push(t[0].clone())}}return t&&s.push(t),s},VectorTileFeature.prototype.bbox=function(){var e=this._pbf;e.pos=this._geometry;for(var t=e.readVarint()+e.pos,r=1,i=0,a=0,o=0,n=1/0,s=-(1/0),p=1/0,h=-(1/0);e.pos<t;){if(!i){var u=e.readVarint();r=7&u,i=u>>3}if(i--,1===r||2===r)a+=e.readSVarint(),o+=e.readSVarint(),a<n&&(n=a),a>s&&(s=a),o<p&&(p=o),o>h&&(h=o);else if(7!==r)throw new Error("unknown command "+r)}return[n,p,s,h]},VectorTileFeature.prototype.toGeoJSON=function(e,t,r){function i(e){for(var t=0;t<e.length;t++){var r=e[t],i=180-360*(r.y+p)/n;e[t]=[360*(r.x+s)/n-180,360/Math.PI*Math.atan(Math.exp(i*Math.PI/180))-90]}}var a,o,n=this.extent*Math.pow(2,r),s=this.extent*e,p=this.extent*t,h=this.loadGeometry(),u=VectorTileFeature.types[this.type];switch(this.type){case 1:var d=[];for(a=0;a<h.length;a++)d[a]=h[a][0];h=d,i(h);break;case 2:for(a=0;a<h.length;a++)i(h[a]);break;case 3:for(h=classifyRings(h),a=0;a<h.length;a++)for(o=0;o<h[a].length;o++)i(h[a][o])}1===h.length?h=h[0]:u="Multi"+u;var f={type:"Feature",geometry:{type:u,coordinates:h},properties:this.properties};return"id"in this&&(f.id=this.id),f};
-},{"point-geometry":194}],207:[function(require,module,exports){
-"use strict";function VectorTileLayer(e,t){this.version=1,this.name=null,this.extent=4096,this.length=0,this._pbf=e,this._keys=[],this._values=[],this._features=[],e.readFields(readLayer,this,t),this.length=this._features.length}function readLayer(e,t,r){15===e?t.version=r.readVarint():1===e?t.name=r.readString():5===e?t.extent=r.readVarint():2===e?t._features.push(r.pos):3===e?t._keys.push(r.readString()):4===e&&t._values.push(readValueMessage(r))}function readValueMessage(e){for(var t=null,r=e.readVarint()+e.pos;e.pos<r;){var a=e.readVarint()>>3;t=1===a?e.readString():2===a?e.readFloat():3===a?e.readDouble():4===a?e.readVarint64():5===a?e.readVarint():6===a?e.readSVarint():7===a?e.readBoolean():null}return t}var VectorTileFeature=require("./vectortilefeature.js");module.exports=VectorTileLayer,VectorTileLayer.prototype.feature=function(e){if(e<0||e>=this._features.length)throw new Error("feature index out of bounds");this._pbf.pos=this._features[e];var t=this._pbf.readVarint()+this._pbf.pos;return new VectorTileFeature(this._pbf,t,this.extent,this._keys,this._values)};
-},{"./vectortilefeature.js":206}],208:[function(require,module,exports){
-function fromVectorTileJs(e){var r=[];for(var o in e.layers)r.push(prepareLayer(e.layers[o]));var t=new Pbf;return vtpb.tile.write({layers:r},t),t.finish()}function fromGeojsonVt(e){var r={};for(var o in e)r[o]=new GeoJSONWrapper(e[o].features),r[o].name=o;return fromVectorTileJs({layers:r})}function prepareLayer(e){for(var r={name:e.name||"",version:e.version||1,extent:e.extent||4096,keys:[],values:[],features:[]},o={},t={},n=0;n<e.length;n++){var a=e.feature(n);a.geometry=encodeGeometry(a.loadGeometry());var u=[];for(var s in a.properties){var i=o[s];"undefined"==typeof i&&(r.keys.push(s),i=r.keys.length-1,o[s]=i);var p=wrapValue(a.properties[s]),l=t[p.key];"undefined"==typeof l&&(r.values.push(p),l=r.values.length-1,t[p.key]=l),u.push(i),u.push(l)}a.tags=u,r.features.push(a)}return r}function command(e,r){return(r<<3)+(7&e)}function zigzag(e){return e<<1^e>>31}function encodeGeometry(e){for(var r=[],o=0,t=0,n=e.length,a=0;a<n;a++){var u=e[a];r.push(command(1,1));for(var s=0;s<u.length;s++){1===s&&r.push(command(2,u.length-1));var i=u[s].x-o,p=u[s].y-t;r.push(zigzag(i),zigzag(p)),o+=i,t+=p}}return r}function wrapValue(e){var r,o=typeof e;return"string"===o?r={string_value:e}:"boolean"===o?r={bool_value:e}:"number"===o?r=e%1!==0?{double_value:e}:e<0?{sint_value:e}:{uint_value:e}:(e=JSON.stringify(e),r={string_value:e}),r.key=o+":"+e,r}var Pbf=require("pbf"),vtpb=require("./vector-tile-pb"),GeoJSONWrapper=require("./lib/geojson_wrapper");module.exports=fromVectorTileJs,module.exports.fromVectorTileJs=fromVectorTileJs,module.exports.fromGeojsonVt=fromGeojsonVt,module.exports.GeoJSONWrapper=GeoJSONWrapper;
-},{"./lib/geojson_wrapper":209,"./vector-tile-pb":210,"pbf":193}],209:[function(require,module,exports){
-"use strict";function GeoJSONWrapper(e){this.features=e,this.length=e.length}function FeatureWrapper(e){this.id="number"==typeof e.id?e.id:void 0,this.type=e.type,this.rawGeometry=1===e.type?[e.geometry]:e.geometry,this.properties=e.tags,this.extent=4096}var Point=require("point-geometry"),VectorTileFeature=require("vector-tile").VectorTileFeature;module.exports=GeoJSONWrapper,GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},FeatureWrapper.prototype.loadGeometry=function(){var e=this.rawGeometry;this.geometry=[];for(var t=0;t<e.length;t++){for(var r=e[t],o=[],a=0;a<r.length;a++)o.push(new Point(r[a][0],r[a][1]));this.geometry.push(o)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-(1/0),o=1/0,a=-(1/0),i=0;i<e.length;i++)for(var p=e[i],n=0;n<p.length;n++){var h=p[n];t=Math.min(t,h.x),r=Math.max(r,h.x),o=Math.min(o,h.y),a=Math.max(a,h.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=VectorTileFeature.prototype.toGeoJSON;
-},{"point-geometry":194,"vector-tile":204}],210:[function(require,module,exports){
-"use strict";function readTile(e,r){return e.readFields(readTileField,{layers:[]},r)}function readTileField(e,r,i){3===e&&r.layers.push(readLayer(i,i.readVarint()+i.pos))}function writeTile(e,r){var i;if(void 0!==e.layers)for(i=0;i<e.layers.length;i++)r.writeMessage(3,writeLayer,e.layers[i])}function readValue(e,r){return e.readFields(readValueField,{},r)}function readValueField(e,r,i){1===e?r.string_value=i.readString():2===e?r.float_value=i.readFloat():3===e?r.double_value=i.readDouble():4===e?r.int_value=i.readVarint():5===e?r.uint_value=i.readVarint():6===e?r.sint_value=i.readSVarint():7===e&&(r.bool_value=i.readBoolean())}function writeValue(e,r){void 0!==e.string_value&&r.writeStringField(1,e.string_value),void 0!==e.float_value&&r.writeFloatField(2,e.float_value),void 0!==e.double_value&&r.writeDoubleField(3,e.double_value),void 0!==e.int_value&&r.writeVarintField(4,e.int_value),void 0!==e.uint_value&&r.writeVarintField(5,e.uint_value),void 0!==e.sint_value&&r.writeSVarintField(6,e.sint_value),void 0!==e.bool_value&&r.writeBooleanField(7,e.bool_value)}function readFeature(e,r){var i=e.readFields(readFeatureField,{},r);return void 0===i.type&&(i.type="Unknown"),i}function readFeatureField(e,r,i){1===e?r.id=i.readVarint():2===e?r.tags=i.readPackedVarint():3===e?r.type=i.readVarint():4===e&&(r.geometry=i.readPackedVarint())}function writeFeature(e,r){void 0!==e.id&&r.writeVarintField(1,e.id),void 0!==e.tags&&r.writePackedVarint(2,e.tags),void 0!==e.type&&r.writeVarintField(3,e.type),void 0!==e.geometry&&r.writePackedVarint(4,e.geometry)}function readLayer(e,r){return e.readFields(readLayerField,{features:[],keys:[],values:[]},r)}function readLayerField(e,r,i){15===e?r.version=i.readVarint():1===e?r.name=i.readString():2===e?r.features.push(readFeature(i,i.readVarint()+i.pos)):3===e?r.keys.push(i.readString()):4===e?r.values.push(readValue(i,i.readVarint()+i.pos)):5===e&&(r.extent=i.readVarint())}function writeLayer(e,r){void 0!==e.version&&r.writeVarintField(15,e.version),void 0!==e.name&&r.writeStringField(1,e.name);var i;if(void 0!==e.features)for(i=0;i<e.features.length;i++)r.writeMessage(2,writeFeature,e.features[i]);if(void 0!==e.keys)for(i=0;i<e.keys.length;i++)r.writeStringField(3,e.keys[i]);if(void 0!==e.values)for(i=0;i<e.values.length;i++)r.writeMessage(4,writeValue,e.values[i]);void 0!==e.extent&&r.writeVarintField(5,e.extent)}var tile=exports.tile={read:readTile,write:writeTile};tile.GeomType={Unknown:0,Point:1,LineString:2,Polygon:3},tile.value={read:readValue,write:writeValue},tile.feature={read:readFeature,write:writeFeature},tile.layer={read:readLayer,write:writeLayer};
-},{}],211:[function(require,module,exports){
-var bundleFn=arguments[3],sources=arguments[4],cache=arguments[5],stringify=JSON.stringify;module.exports=function(r,e){function t(r){d[r]=!0;for(var e in sources[r][1]){var n=sources[r][1][e];d[n]||t(n)}}for(var n,o=Object.keys(cache),a=0,i=o.length;a<i;a++){var s=o[a],u=cache[s].exports;if(u===r||u&&u.default===r){n=s;break}}if(!n){n=Math.floor(Math.pow(16,8)*Math.random()).toString(16);for(var f={},a=0,i=o.length;a<i;a++){var s=o[a];f[s]=s}sources[n]=[Function(["require","module","exports"],"("+r+")(self)"),f]}var c=Math.floor(Math.pow(16,8)*Math.random()).toString(16),l={};l[n]=n,sources[c]=[Function(["require"],"var f = require("+stringify(n)+");(f.default ? f.default : f)(self);"),l];var d={};t(c);var g="("+bundleFn+")({"+Object.keys(d).map(function(r){return stringify(r)+":["+sources[r][0]+","+stringify(sources[r][1])+"]"}).join(",")+"},{},["+stringify(c)+"])",v=window.URL||window.webkitURL||window.mozURL||window.msURL,w=new Blob([g],{type:"text/javascript"});if(e&&e.bare)return w;var h=v.createObjectURL(w),b=new Worker(h);return b.objectURL=h,b};
-},{}],212:[function(require,module,exports){
-module.exports.RADIUS=6378137,module.exports.FLATTENING=1/298.257223563,module.exports.POLAR_RADIUS=6356752.3142;
-},{}],213:[function(require,module,exports){
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t(e.WhooTS=e.WhooTS||{})}(this,function(e){function t(e,t,r,n,i,s){s=s||{};var f=e+"?"+["bbox="+o(r,n,i),"format="+(s.format||"image/png"),"service="+(s.service||"WMS"),"version="+(s.version||"1.1.1"),"request="+(s.request||"GetMap"),"srs="+(s.srs||"EPSG:3857"),"width="+(s.width||256),"height="+(s.height||256),"layers="+t].join("&");return f}function o(e,t,o){t=Math.pow(2,o)-t-1;var n=r(256*e,256*t,o),i=r(256*(e+1),256*(t+1),o);return n[0]+","+n[1]+","+i[0]+","+i[1]}function r(e,t,o){var r=2*Math.PI*6378137/256/Math.pow(2,o),n=e*r-2*Math.PI*6378137/2,i=t*r-2*Math.PI*6378137/2;return[n,i]}e.getURL=t,e.getTileBBox=o,e.getMercCoords=r,Object.defineProperty(e,"__esModule",{value:!0})});
-},{}],214:[function(require,module,exports){
-module.exports={"version":"0.29.0"}
-},{}]},{},[24])(24)
-});
-
-
-//# sourceMappingURL=mapbox-gl.js.map
-/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(7).Buffer, __webpack_require__(1)))
-
-/***/ }
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