mapbox-gl/dist/mapbox-gl.js

A WebGL interactive maps library

/* Mapbox GL JS is licensed under the 3-Clause BSD License. Full text of license: https://github.com/mapbox/mapbox-gl-js/blob/v1.2.0/LICENSE.txt */
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.mapboxgl = factory());
}(this, function () { 'use strict';

/* eslint-disable */

var shared, worker, mapboxgl;
// define gets called three times: one for each chunk. we rely on the order
// they're imported to know which is which
function define(_, chunk) {
if (!shared) {
    shared = chunk;
} else if (!worker) {
    worker = chunk;
} else {
    var workerBundleString = 'var sharedChunk = {}; (' + shared + ')(sharedChunk); (' + worker + ')(sharedChunk);'

    var sharedChunk = {};
    shared(sharedChunk);
    mapboxgl = chunk(sharedChunk);
    mapboxgl.workerUrl = window.URL.createObjectURL(new Blob([workerBundleString], { type: 'text/javascript' }));
}
}


define(["exports"],function(t){"use strict";function e(t,e){return t(e={exports:{}},e.exports),e.exports}var r=n;function n(t,e,r,n){this.cx=3*t,this.bx=3*(r-t)-this.cx,this.ax=1-this.cx-this.bx,this.cy=3*e,this.by=3*(n-e)-this.cy,this.ay=1-this.cy-this.by,this.p1x=t,this.p1y=n,this.p2x=r,this.p2y=n;}n.prototype.sampleCurveX=function(t){return ((this.ax*t+this.bx)*t+this.cx)*t},n.prototype.sampleCurveY=function(t){return ((this.ay*t+this.by)*t+this.cy)*t},n.prototype.sampleCurveDerivativeX=function(t){return (3*this.ax*t+2*this.bx)*t+this.cx},n.prototype.solveCurveX=function(t,e){var r,n,i,a,o;for(void 0===e&&(e=1e-6),i=t,o=0;o<8;o++){if(a=this.sampleCurveX(i)-t,Math.abs(a)<e)return i;var s=this.sampleCurveDerivativeX(i);if(Math.abs(s)<1e-6)break;i-=a/s;}if((i=t)<(r=0))return r;if(i>(n=1))return n;for(;r<n;){if(a=this.sampleCurveX(i),Math.abs(a-t)<e)return i;t>a?r=i:n=i,i=.5*(n-r)+r;}return i},n.prototype.solve=function(t,e){return this.sampleCurveY(this.solveCurveX(t,e))};var 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this.x*=t.x,this.y*=t.y,this},_divByPoint:function(t){return this.x/=t.x,this.y/=t.y,this},_unit:function(){return this._div(this.mag()),this},_perp:function(){var t=this.y;return this.y=this.x,this.x=-t,this},_rotate:function(t){var e=Math.cos(t),r=Math.sin(t),n=e*this.x-r*this.y,i=r*this.x+e*this.y;return this.x=n,this.y=i,this},_rotateAround:function(t,e){var r=Math.cos(t),n=Math.sin(t),i=e.x+r*(this.x-e.x)-n*(this.y-e.y),a=e.y+n*(this.x-e.x)+r*(this.y-e.y);return this.x=i,this.y=a,this},_round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}},a.convert=function(t){return t instanceof a?t:Array.isArray(t)?new a(t[0],t[1]):t};var u=s(.25,.1,.25,1);function l(t,e,r){return Math.min(r,Math.max(e,t))}function p(t,e,r){var n=r-e,i=((t-e)%n+n)%n+e;return i===e?r:i}function c(t){for(var e=[],r=arguments.length-1;r-- >0;)e[r]=arguments[r+1];for(var n=0,i=e;n<i.length;n+=1){var a=i[n];for(var o in a)t[o]=a[o];}return t}var h=1;function f(){return h++}function y(){return function t(e){return e?(e^16*Math.random()>>e/4).toString(16):([1e7]+-[1e3]+-4e3+-8e3+-1e11).replace(/[018]/g,t)}()}function d(t){return !!t&&/^[0-9a-f]{8}-[0-9a-f]{4}-[4][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i.test(t)}function m(t,e){t.forEach(function(t){e[t]&&(e[t]=e[t].bind(e));});}function v(t,e){return -1!==t.indexOf(e,t.length-e.length)}function g(t,e,r){var n={};for(var i in t)n[i]=e.call(r||this,t[i],i,t);return n}function x(t,e,r){var n={};for(var i in t)e.call(r||this,t[i],i,t)&&(n[i]=t[i]);return n}function b(t){return Array.isArray(t)?t.map(b):"object"==typeof t&&t?g(t,b):t}var _={};function w(t){_[t]||("undefined"!=typeof console&&console.warn(t),_[t]=!0);}function A(t,e,r){return (r.y-t.y)*(e.x-t.x)>(e.y-t.y)*(r.x-t.x)}function k(t){for(var e=0,r=0,n=t.length,i=n-1,a=void 0,o=void 0;r<n;i=r++)a=t[r],e+=((o=t[i]).x-a.x)*(a.y+o.y);return e}function S(t){var 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this.API_URL?0===this.API_URL.indexOf("https://api.mapbox.cn")?"https://events.mapbox.cn/events/v2":0===this.API_URL.indexOf("https://api.mapbox.com")?"https://events.mapbox.com/events/v2":null:null},FEEDBACK_URL:"https://apps.mapbox.com/feedback",REQUIRE_ACCESS_TOKEN:!0,ACCESS_TOKEN:null,MAX_PARALLEL_IMAGE_REQUESTS:16},L={supported:!1,testSupport:function(t){if(D||!E)return;O?R(t):C=t;}},D=!1,O=!1;function R(t){var e=t.createTexture();t.bindTexture(t.TEXTURE_2D,e);try{if(t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,E),t.isContextLost())return;L.supported=!0;}catch(t){}t.deleteTexture(e),D=!0;}self.document&&((E=self.document.createElement("img")).onload=function(){C&&R(C),C=null,O=!0;},E.onerror=function(){D=!0,C=null;},E.src="data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAQAAAAfQ//73v/+BiOh/AAA=");var U="01";var j=function(t,e){this._transformRequestFn=t,this._customAccessToken=e,this._createSkuToken();};function q(t){return 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r.path="/v4/"+r.authority+".json",r.params.push("secure"),this._makeAPIURL(r,this._customAccessToken||e)},j.prototype.normalizeSpriteURL=function(t,e,r,n){var i=G(t);return q(t)?(i.path="/styles/v1"+i.path+"/sprite"+e+r,this._makeAPIURL(i,this._customAccessToken||n)):(i.path+=""+e+r,X(i))},j.prototype.normalizeTileURL=function(t,e,r){if(this._isSkuTokenExpired()&&this._createSkuToken(),!e||!q(e))return t;var n=G(t),i=V.devicePixelRatio>=2||512===r?"@2x":"",a=L.supported?".webp":"$1";return n.path=n.path.replace(/(\.(png|jpg)\d*)(?=$)/,""+i+a),n.path=n.path.replace(/^.+\/v4\//,"/"),n.path="/v4"+n.path,F.REQUIRE_ACCESS_TOKEN&&(F.ACCESS_TOKEN||this._customAccessToken)&&this._skuToken&&n.params.push("sku="+this._skuToken),this._makeAPIURL(n,this._customAccessToken)},j.prototype.canonicalizeTileURL=function(t){var e=G(t);if(!e.path.match(/(^\/v4\/)/)||!e.path.match(/\.[\w]+$/))return t;var r="mapbox://tiles/";r+=e.path.replace("/v4/","");var n=e.params.filter(function(t){return !t.match(/^access_token=/)});return n.length&&(r+="?"+n.join("&")),r},j.prototype.canonicalizeTileset=function(t,e){if(!q(e))return t.tiles||[];for(var r=[],n=0,i=t.tiles;n<i.length;n+=1){var a=i[n],o=this.canonicalizeTileURL(a);r.push(o);}return r},j.prototype._makeAPIURL=function(t,e){var r="See https://www.mapbox.com/api-documentation/#access-tokens-and-token-scopes",n=G(F.API_URL);if(t.protocol=n.protocol,t.authority=n.authority,"/"!==n.path&&(t.path=""+n.path+t.path),!F.REQUIRE_ACCESS_TOKEN)return X(t);if(!(e=e||F.ACCESS_TOKEN))throw new Error("An API access token is required to use Mapbox GL. 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a=G(F.EVENTS_URL);a.params.push("access_token="+(n||F.ACCESS_TOKEN||""));var o={event:this.type,created:new Date(t).toISOString(),sdkIdentifier:"mapbox-gl-js",sdkVersion:"1.2.0",skuId:U,userId:this.anonId},s=e?c(o,e):o,u={url:X(a),headers:{"Content-Type":"text/plain"},body:JSON.stringify([s])};this.pendingRequest=vt(u,function(t){i.pendingRequest=null,r(t),i.saveEventData(),i.processRequests(n);});}},H.prototype.queueRequest=function(t,e){this.queue.push(t),this.processRequests(e);};var Y,$=function(t){function e(){t.call(this,"map.load"),this.success={},this.skuToken="";}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.postMapLoadEvent=function(t,e,r,n){this.skuToken=r,(F.EVENTS_URL&&n||F.ACCESS_TOKEN&&Array.isArray(t)&&t.some(function(t){return q(t)||K(t)}))&&this.queueRequest({id:e,timestamp:Date.now()},n);},e.prototype.processRequests=function(t){var e=this;if(!this.pendingRequest&&0!==this.queue.length){var 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