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* Removes a previously added listener function. If no function is specified, it will remove all the listeners of that particular event from the object. Note that if you passed a custom context to `on`, you must pass the same context to `off` in order to remove the listener.
/* @preserve
* Leaflet 1.7.0, a JS library for interactive maps. http://leafletjs.com
* (c) 2010-2019 Vladimir Agafonkin, (c) 2010-2011 CloudMade
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.L = {})));
}(this, (function (exports) { 'use strict';
var version = "1.7.0";
/*
* @namespace Util
*
* Various utility functions, used by Leaflet internally.
*/
// @function extend(dest: Object, src?: Object): Object
// Merges the properties of the `src` object (or multiple objects) into `dest` object and returns the latter. Has an `L.extend` shortcut.
function extend(dest) {
var i, j, len, src;
for (j = 1, len = arguments.length; j < len; j++) {
src = arguments[j];
for (i in src) {
dest[i] = src[i];
}
}
return dest;
}
// @function create(proto: Object, properties?: Object): Object
// Compatibility polyfill for [Object.create](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/create)
var create = Object.create || (function () {
function F() {}
return function (proto) {
F.prototype = proto;
return new F();
};
})();
// @function bind(fn: Function, …): Function
// Returns a new function bound to the arguments passed, like [Function.prototype.bind](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function/bind).
// Has a `L.bind()` shortcut.
function bind(fn, obj) {
var slice = Array.prototype.slice;
if (fn.bind) {
return fn.bind.apply(fn, slice.call(arguments, 1));
}
var args = slice.call(arguments, 2);
return function () {
return fn.apply(obj, args.length ? args.concat(slice.call(arguments)) : arguments);
};
}
// @property lastId: Number
// Last unique ID used by [`stamp()`](#util-stamp)
var lastId = 0;
// @function stamp(obj: Object): Number
// Returns the unique ID of an object, assigning it one if it doesn't have it.
function stamp(obj) {
/*eslint-disable */
obj._leaflet_id = obj._leaflet_id || ++lastId;
return obj._leaflet_id;
/* eslint-enable */
}
// @function throttle(fn: Function, time: Number, context: Object): Function
// Returns a function which executes function `fn` with the given scope `context`
// (so that the `this` keyword refers to `context` inside `fn`'s code). The function
// `fn` will be called no more than one time per given amount of `time`. The arguments
// received by the bound function will be any arguments passed when binding the
// function, followed by any arguments passed when invoking the bound function.
// Has an `L.throttle` shortcut.
function throttle(fn, time, context) {
var lock, args, wrapperFn, later;
later = function () {
// reset lock and call if queued
lock = false;
if (args) {
wrapperFn.apply(context, args);
args = false;
}
};