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leaflet.js
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// Spoof the window and the DOM
var jsdom = require('jsdom').jsdom,
document = jsdom('<html><head></head><body><div id="map-0"></div><div id="map"></div></body></html>'),
window = document.parentWindow;
window.navigator.userAgent = 'webkit';
/*
Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com
(c) 2010-2013, Vladimir Agafonkin
(c) 2010-2011, CloudMade
*/
(function (window, document, undefined) {
var oldL = window.L,
L = {};
L.version = '0.6.4';
// define Leaflet for Node module pattern loaders, including Browserify
if (typeof module === 'object' && typeof module.exports === 'object') {
module.exports = L;
// define Leaflet as an AMD module
} else if (typeof define === 'function' && define.amd) {
define(L);
}
// define Leaflet as a global L variable, saving the original L to restore later if needed
L.noConflict = function () {
window.L = oldL;
return this;
};
window.L = L;
/*
* L.Util contains various utility functions used throughout Leaflet code.
*/
L.Util = {
extend: function (dest) { // (Object[, Object, ...]) ->
var sources = Array.prototype.slice.call(arguments, 1),
i, j, len, src;
for (j = 0, len = sources.length; j < len; j++) {
src = sources[j] || {};
for (i in src) {
if (src.hasOwnProperty(i)) {
dest[i] = src[i];
}
}
}
return dest;
},
bind: function (fn, obj) { // (Function, Object) -> Function
var args = arguments.length > 2 ? Array.prototype.slice.call(arguments, 2) : null;
return function () {
return fn.apply(obj, args || arguments);
};
},
stamp: (function () {
var lastId = 0,
key = '_leaflet_id';
return function (obj) {
obj[key] = obj[key] || ++lastId;
return obj[key];
};
}()),
invokeEach: function (obj, method, context) {
var i, args;
if (typeof obj === 'object') {
args = Array.prototype.slice.call(arguments, 3);
for (i in obj) {
method.apply(context, [i, obj[i]].concat(args));
}
return true;
}
return false;
},
limitExecByInterval: function (fn, time, context) {
var lock, execOnUnlock;
return function wrapperFn() {
var args = arguments;
if (lock) {
execOnUnlock = true;
return;
}
lock = true;
setTimeout(function () {
lock = false;
if (execOnUnlock) {
wrapperFn.apply(context, args);
execOnUnlock = false;
}
}, time);
fn.apply(context, args);
};
},
falseFn: function () {
return false;
},
formatNum: function (num, digits) {
var pow = Math.pow(10, digits || 5);
return Math.round(num * pow) / pow;
},
trim: function (str) {
return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
},
splitWords: function (str) {
return L.Util.trim(str).split(/\s+/);
},
setOptions: function (obj, options) {
obj.options = L.extend({}, obj.options, options);
return obj.options;
},
getParamString: function (obj, existingUrl, uppercase) {
var params = [];
for (var i in obj) {
params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i]));
}
return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&');
},
template: function (str, data) {
return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {
var value = data[key];
if (value === undefined) {
throw new Error('No value provided for variable ' + str);
} else if (typeof value === 'function') {
value = value(data);
}
return value;
});
},
isArray: function (obj) {
return (Object.prototype.toString.call(obj) === '[object Array]');
},
emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='
};
(function () {
// inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/
function getPrefixed(name) {
var i, fn,
prefixes = ['webkit', 'moz', 'o', 'ms'];
for (i = 0; i < prefixes.length && !fn; i++) {
fn = window[prefixes[i] + name];
}
return fn;
}
var lastTime = 0;
function timeoutDefer(fn) {
var time = +new Date(),
timeToCall = Math.max(0, 16 - (time - lastTime));
lastTime = time + timeToCall;
return window.setTimeout(fn, timeToCall);
}
var requestFn = window.requestAnimationFrame ||
getPrefixed('RequestAnimationFrame') || timeoutDefer;
var cancelFn = window.cancelAnimationFrame ||
getPrefixed('CancelAnimationFrame') ||
getPrefixed('CancelRequestAnimationFrame') ||
function (id) { window.clearTimeout(id); };
L.Util.requestAnimFrame = function (fn, context, immediate, element) {
fn = L.bind(fn, context);
if (immediate && requestFn === timeoutDefer) {
fn();
} else {
return requestFn.call(window, fn, element);
}
};
L.Util.cancelAnimFrame = function (id) {
if (id) {
cancelFn.call(window, id);
}
};
}());
// shortcuts for most used utility functions
L.extend = L.Util.extend;
L.bind = L.Util.bind;
L.stamp = L.Util.stamp;
L.setOptions = L.Util.setOptions;
/*
* L.Class powers the OOP facilities of the library.
* Thanks to John Resig and Dean Edwards for inspiration!
*/
L.Class = function () {};
L.Class.extend = function (props) {
// extended class with the new prototype
var NewClass = function () {
// call the constructor
if (this.initialize) {
this.initialize.apply(this, arguments);
}
// call all constructor hooks
if (this._initHooks) {
this.callInitHooks();
}
};
// instantiate class without calling constructor
var F = function () {};
F.prototype = this.prototype;
var proto = new F();
proto.constructor = NewClass;
NewClass.prototype = proto;
//inherit parent's statics
for (var i in this) {
if (this.hasOwnProperty(i) && i !== 'prototype') {
NewClass[i] = this[i];
}
}
// mix static properties into the class
if (props.statics) {
L.extend(NewClass, props.statics);
delete props.statics;
}
// mix includes into the prototype
if (props.includes) {
L.Util.extend.apply(null, [proto].concat(props.includes));
delete props.includes;
}
// merge options
if (props.options && proto.options) {
props.options = L.extend({}, proto.options, props.options);
}
// mix given properties into the prototype
L.extend(proto, props);
proto._initHooks = [];
var parent = this;
// jshint camelcase: false
NewClass.__super__ = parent.prototype;
// add method for calling all hooks
proto.callInitHooks = function () {
if (this._initHooksCalled) { return; }
if (parent.prototype.callInitHooks) {
parent.prototype.callInitHooks.call(this);
}
this._initHooksCalled = true;
for (var i = 0, len = proto._initHooks.length; i < len; i++) {
proto._initHooks[i].call(this);
}
};
return NewClass;
};
// method for adding properties to prototype
L.Class.include = function (props) {
L.extend(this.prototype, props);
};
// merge new default options to the Class
L.Class.mergeOptions = function (options) {
L.extend(this.prototype.options, options);
};
// add a constructor hook
L.Class.addInitHook = function (fn) { // (Function) || (String, args...)
var args = Array.prototype.slice.call(arguments, 1);
var init = typeof fn === 'function' ? fn : function () {
this[fn].apply(this, args);
};
this.prototype._initHooks = this.prototype._initHooks || [];
this.prototype._initHooks.push(init);
};
/*
* L.Mixin.Events is used to add custom events functionality to Leaflet classes.
*/
var eventsKey = '_leaflet_events';
L.Mixin = {};
L.Mixin.Events = {
addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])
// types can be a map of types/handlers
if (L.Util.invokeEach(types, this.addEventListener, this, fn, context)) { return this; }
var events = this[eventsKey] = this[eventsKey] || {},
contextId = context && L.stamp(context),
i, len, event, type, indexKey, indexLenKey, typeIndex;
// types can be a string of space-separated words
types = L.Util.splitWords(types);
for (i = 0, len = types.length; i < len; i++) {
event = {
action: fn,
context: context || this
};
type = types[i];
if (context) {
// store listeners of a particular context in a separate hash (if it has an id)
// gives a major performance boost when removing thousands of map layers
indexKey = type + '_idx';
indexLenKey = indexKey + '_len';
typeIndex = events[indexKey] = events[indexKey] || {};
if (!typeIndex[contextId]) {
typeIndex[contextId] = [];
// keep track of the number of keys in the index to quickly check if it's empty
events[indexLenKey] = (events[indexLenKey] || 0) + 1;
}
typeIndex[contextId].push(event);
} else {
events[type] = events[type] || [];
events[type].push(event);
}
}
return this;
},
hasEventListeners: function (type) { // (String) -> Boolean
var events = this[eventsKey];
return !!events && ((type in events && events[type].length > 0) ||
(type + '_idx' in events && events[type + '_idx_len'] > 0));
},
removeEventListener: function (types, fn, context) { // ([String, Function, Object]) or (Object[, Object])
if (!this[eventsKey]) {
return this;
}
if (!types) {
return this.clearAllEventListeners();
}
if (L.Util.invokeEach(types, this.removeEventListener, this, fn, context)) { return this; }
var events = this[eventsKey],
contextId = context && L.stamp(context),
i, len, type, listeners, j, indexKey, indexLenKey, typeIndex, removed;
types = L.Util.splitWords(types);
for (i = 0, len = types.length; i < len; i++) {
type = types[i];
indexKey = type + '_idx';
indexLenKey = indexKey + '_len';
typeIndex = events[indexKey];
if (!fn) {
// clear all listeners for a type if function isn't specified
delete events[type];
delete events[indexKey];
} else {
listeners = context && typeIndex ? typeIndex[contextId] : events[type];
if (listeners) {
for (j = listeners.length - 1; j >= 0; j--) {
if ((listeners[j].action === fn) && (!context || (listeners[j].context === context))) {
removed = listeners.splice(j, 1);
// set the old action to a no-op, because it is possible
// that the listener is being iterated over as part of a dispatch
removed[0].action = L.Util.falseFn;
}
}
if (context && typeIndex && (listeners.length === 0)) {
delete typeIndex[contextId];
events[indexLenKey]--;
}
}
}
}
return this;
},
clearAllEventListeners: function () {
delete this[eventsKey];
return this;
},
fireEvent: function (type, data) { // (String[, Object])
if (!this.hasEventListeners(type)) {
return this;
}
var event = L.Util.extend({}, data, { type: type, target: this });
var events = this[eventsKey],
listeners, i, len, typeIndex, contextId;
if (events[type]) {
// make sure adding/removing listeners inside other listeners won't cause infinite loop
listeners = events[type].slice();
for (i = 0, len = listeners.length; i < len; i++) {
listeners[i].action.call(listeners[i].context || this, event);
}
}
// fire event for the context-indexed listeners as well
typeIndex = events[type + '_idx'];
for (contextId in typeIndex) {
listeners = typeIndex[contextId].slice();
if (listeners) {
for (i = 0, len = listeners.length; i < len; i++) {
listeners[i].action.call(listeners[i].context || this, event);
}
}
}
return this;
},
addOneTimeEventListener: function (types, fn, context) {
if (L.Util.invokeEach(types, this.addOneTimeEventListener, this, fn, context)) { return this; }
var handler = L.bind(function () {
this
.removeEventListener(types, fn, context)
.removeEventListener(types, handler, context);
}, this);
return this
.addEventListener(types, fn, context)
.addEventListener(types, handler, context);
}
};
L.Mixin.Events.on = L.Mixin.Events.addEventListener;
L.Mixin.Events.off = L.Mixin.Events.removeEventListener;
L.Mixin.Events.once = L.Mixin.Events.addOneTimeEventListener;
L.Mixin.Events.fire = L.Mixin.Events.fireEvent;
/*
* L.Browser handles different browser and feature detections for internal Leaflet use.
*/
(function () {
var ie = !!window.ActiveXObject,
ie6 = ie && !window.XMLHttpRequest,
ie7 = ie && !document.querySelector,
ielt9 = ie && !document.addEventListener,
// terrible browser detection to work around Safari / iOS / Android browser bugs
ua = window.navigator.userAgent.toLowerCase(),
webkit = ua.indexOf('webkit') !== -1,
chrome = ua.indexOf('chrome') !== -1,
phantomjs = ua.indexOf('phantom') !== -1,
android = ua.indexOf('android') !== -1,
android23 = ua.search('android [23]') !== -1,
mobile = typeof orientation !== undefined + '',
msTouch = window.navigator && window.navigator.msPointerEnabled &&
window.navigator.msMaxTouchPoints,
retina = ('devicePixelRatio' in window && window.devicePixelRatio > 1) ||
('matchMedia' in window && window.matchMedia('(min-resolution:144dpi)') &&
window.matchMedia('(min-resolution:144dpi)').matches),
doc = document.documentElement,
ie3d = ie && ('transition' in doc.style),
webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()),
gecko3d = 'MozPerspective' in doc.style,
opera3d = 'OTransition' in doc.style,
any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d) && !phantomjs;
// PhantomJS has 'ontouchstart' in document.documentElement, but doesn't actually support touch.
// https://github.com/Leaflet/Leaflet/pull/1434#issuecomment-13843151
var touch = !window.L_NO_TOUCH && !phantomjs && (function () {
var startName = 'ontouchstart';
// IE10+ (We simulate these into touch* events in L.DomEvent and L.DomEvent.MsTouch) or WebKit, etc.
if (msTouch || (startName in doc)) {
return true;
}
// Firefox/Gecko
var div = document.createElement('div'),
supported = false;
if (!div.setAttribute) {
return false;
}
div.setAttribute(startName, 'return;');
if (typeof div[startName] === 'function') {
supported = true;
}
div.removeAttribute(startName);
div = null;
return supported;
}());
L.Browser = {
ie: ie,
ie6: ie6,
ie7: ie7,
ielt9: ielt9,
webkit: webkit,
android: android,
android23: android23,
chrome: chrome,
ie3d: ie3d,
webkit3d: webkit3d,
gecko3d: gecko3d,
opera3d: opera3d,
any3d: any3d,
mobile: mobile,
mobileWebkit: mobile && webkit,
mobileWebkit3d: mobile && webkit3d,
mobileOpera: mobile && window.opera,
touch: touch,
msTouch: msTouch,
retina: retina
};
}());
/*
* L.Point represents a point with x and y coordinates.
*/
L.Point = function (/*Number*/ x, /*Number*/ y, /*Boolean*/ round) {
this.x = (round ? Math.round(x) : x);
this.y = (round ? Math.round(y) : y);
};
L.Point.prototype = {
clone: function () {
return new L.Point(this.x, this.y);
},
// non-destructive, returns a new point
add: function (point) {
return this.clone()._add(L.point(point));
},
// destructive, used directly for performance in situations where it's safe to modify existing point
_add: function (point) {
this.x += point.x;
this.y += point.y;
return this;
},
subtract: function (point) {
return this.clone()._subtract(L.point(point));
},
_subtract: function (point) {
this.x -= point.x;
this.y -= point.y;
return this;
},
divideBy: function (num) {
return this.clone()._divideBy(num);
},
_divideBy: function (num) {
this.x /= num;
this.y /= num;
return this;
},
multiplyBy: function (num) {
return this.clone()._multiplyBy(num);
},
_multiplyBy: function (num) {
this.x *= num;
this.y *= num;
return this;
},
round: function () {
return this.clone()._round();
},
_round: function () {
this.x = Math.round(this.x);
this.y = Math.round(this.y);
return this;
},
floor: function () {
return this.clone()._floor();
},
_floor: function () {
this.x = Math.floor(this.x);
this.y = Math.floor(this.y);
return this;
},
distanceTo: function (point) {
point = L.point(point);
var x = point.x - this.x,
y = point.y - this.y;
return Math.sqrt(x * x + y * y);
},
equals: function (point) {
point = L.point(point);
return point.x === this.x &&
point.y === this.y;
},
contains: function (point) {
point = L.point(point);
return Math.abs(point.x) <= Math.abs(this.x) &&
Math.abs(point.y) <= Math.abs(this.y);
},
toString: function () {
return 'Point(' +
L.Util.formatNum(this.x) + ', ' +
L.Util.formatNum(this.y) + ')';
}
};
L.point = function (x, y, round) {
if (x instanceof L.Point) {
return x;
}
if (L.Util.isArray(x)) {
return new L.Point(x[0], x[1]);
}
if (x === undefined || x === null) {
return x;
}
return new L.Point(x, y, round);
};
/*
* L.Bounds represents a rectangular area on the screen in pixel coordinates.
*/
L.Bounds = function (a, b) { //(Point, Point) or Point[]
if (!a) { return; }
var points = b ? [a, b] : a;
for (var i = 0, len = points.length; i < len; i++) {
this.extend(points[i]);
}
};
L.Bounds.prototype = {
// extend the bounds to contain the given point
extend: function (point) { // (Point)
point = L.point(point);
if (!this.min && !this.max) {
this.min = point.clone();
this.max = point.clone();
} else {
this.min.x = Math.min(point.x, this.min.x);
this.max.x = Math.max(point.x, this.max.x);
this.min.y = Math.min(point.y, this.min.y);
this.max.y = Math.max(point.y, this.max.y);
}
return this;
},
getCenter: function (round) { // (Boolean) -> Point
return new L.Point(
(this.min.x + this.max.x) / 2,
(this.min.y + this.max.y) / 2, round);
},
getBottomLeft: function () { // -> Point
return new L.Point(this.min.x, this.max.y);
},
getTopRight: function () { // -> Point
return new L.Point(this.max.x, this.min.y);
},
getSize: function () {
return this.max.subtract(this.min);
},
contains: function (obj) { // (Bounds) or (Point) -> Boolean
var min, max;
if (typeof obj[0] === 'number' || obj instanceof L.Point) {
obj = L.point(obj);
} else {
obj = L.bounds(obj);
}
if (obj instanceof L.Bounds) {
min = obj.min;
max = obj.max;
} else {
min = max = obj;
}
return (min.x >= this.min.x) &&
(max.x <= this.max.x) &&
(min.y >= this.min.y) &&
(max.y <= this.max.y);
},
intersects: function (bounds) { // (Bounds) -> Boolean
bounds = L.bounds(bounds);
var min = this.min,
max = this.max,
min2 = bounds.min,
max2 = bounds.max,
xIntersects = (max2.x >= min.x) && (min2.x <= max.x),
yIntersects = (max2.y >= min.y) && (min2.y <= max.y);
return xIntersects && yIntersects;
},
isValid: function () {
return !!(this.min && this.max);
}
};
L.bounds = function (a, b) { // (Bounds) or (Point, Point) or (Point[])
if (!a || a instanceof L.Bounds) {
return a;
}
return new L.Bounds(a, b);
};
/*
* L.Transformation is an utility class to perform simple point transformations through a 2d-matrix.
*/
L.Transformation = function (a, b, c, d) {
this._a = a;
this._b = b;
this._c = c;
this._d = d;
};
L.Transformation.prototype = {
transform: function (point, scale) { // (Point, Number) -> Point
return this._transform(point.clone(), scale);
},
// destructive transform (faster)
_transform: function (point, scale) {
scale = scale || 1;
point.x = scale * (this._a * point.x + this._b);
point.y = scale * (this._c * point.y + this._d);
return point;
},
untransform: function (point, scale) {
scale = scale || 1;
return new L.Point(
(point.x / scale - this._b) / this._a,
(point.y / scale - this._d) / this._c);
}
};
/*
* L.DomUtil contains various utility functions for working with DOM.
*/
L.DomUtil = {
get: function (id) {
return (typeof id === 'string' ? document.getElementById(id) : id);
},
getStyle: function (el, style) {
var value = el.style[style];
if (!value && el.currentStyle) {
value = el.currentStyle[style];
}
if ((!value || value === 'auto') && document.defaultView) {
var css = document.defaultView.getComputedStyle(el, null);
value = css ? css[style] : null;
}
return value === 'auto' ? null : value;
},
getViewportOffset: function (element) {
var top = 0,
left = 0,
el = element,
docBody = document.body,
docEl = document.documentElement,
pos,
ie7 = L.Browser.ie7;
do {
top += el.offsetTop || 0;
left += el.offsetLeft || 0;
//add borders
top += parseInt(L.DomUtil.getStyle(el, 'borderTopWidth'), 10) || 0;
left += parseInt(L.DomUtil.getStyle(el, 'borderLeftWidth'), 10) || 0;
pos = L.DomUtil.getStyle(el, 'position');
if (el.offsetParent === docBody && pos === 'absolute') { break; }
if (pos === 'fixed') {
top += docBody.scrollTop || docEl.scrollTop || 0;
left += docBody.scrollLeft || docEl.scrollLeft || 0;
break;
}
if (pos === 'relative' && !el.offsetLeft) {
var width = L.DomUtil.getStyle(el, 'width'),
maxWidth = L.DomUtil.getStyle(el, 'max-width'),
r = el.getBoundingClientRect();
if (width !== 'none' || maxWidth !== 'none') {
left += r.left + el.clientLeft;
}
//calculate full y offset since we're breaking out of the loop
top += r.top + (docBody.scrollTop || docEl.scrollTop || 0);
break;
}
el = el.offsetParent;
} while (el);
el = element;
do {
if (el === docBody) { break; }
top -= el.scrollTop || 0;
left -= el.scrollLeft || 0;
// webkit (and ie <= 7) handles RTL scrollLeft different to everyone else
// https://code.google.com/p/closure-library/source/browse/trunk/closure/goog/style/bidi.js
if (!L.DomUtil.documentIsLtr() && (L.Browser.webkit || ie7)) {
left += el.scrollWidth - el.clientWidth;
// ie7 shows the scrollbar by default and provides clientWidth counting it, so we
// need to add it back in if it is visible; scrollbar is on the left as we are RTL
if (ie7 && L.DomUtil.getStyle(el, 'overflow-y') !== 'hidden' &&
L.DomUtil.getStyle(el, 'overflow') !== 'hidden') {
left += 17;
}
}
el = el.parentNode;
} while (el);
return new L.Point(left, top);
},
documentIsLtr: function () {
if (!L.DomUtil._docIsLtrCached) {
L.DomUtil._docIsLtrCached = true;
L.DomUtil._docIsLtr = L.DomUtil.getStyle(document.body, 'direction') === 'ltr';
}
return L.DomUtil._docIsLtr;
},
create: function (tagName, className, container) {
var el = document.createElement(tagName);
el.className = className;
if (container) {
container.appendChild(el);
}
return el;
},
hasClass: function (el, name) {
return (el.className.length > 0) &&
new RegExp('(^|\\s)' + name + '(\\s|$)').test(el.className);
},
addClass: function (el, name) {
if (!L.DomUtil.hasClass(el, name)) {
el.className += (el.className ? ' ' : '') + name;
}
},
removeClass: function (el, name) {
el.className = L.Util.trim((' ' + el.className + ' ').replace(' ' + name + ' ', ' '));
},
setOpacity: function (el, value) {
if ('opacity' in el.style) {
el.style.opacity = value;
} else if ('filter' in el.style) {