FM / core

/opt/canhelp/node_modules/leaflet/src/core/

/opt/canhelp/node_modules/leaflet/src/core

Name	Size	Mode	Actions
Browser.js	8054	0644	edit dl rm
Class.js	3584	0644	edit dl rm
Class.leafdoc	4758	0644	edit dl rm
Events.js	9864	0644	edit dl rm
Events.leafdoc	4690	0644	edit dl rm
Handler.js	1455	0644	edit dl rm
index.js	346	0644	edit dl rm
Util.js	9013	0644	edit dl rm

Edit: /opt/canhelp/node_modules/leaflet/src/core/Util.js (9013B)

/*
 * @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.
export 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)
export 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.
export 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)
export var lastId = 0;

// @function stamp(obj: Object): Number
// Returns the unique ID of an object, assigning it one if it doesn't have it.
export function stamp(obj) {
	if (!('_leaflet_id' in obj)) {
		obj['_leaflet_id'] = ++lastId;
	}
	return obj._leaflet_id;
}

// @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.
export 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;
		}
	};

wrapperFn = function () {
		if (lock) {
			// called too soon, queue to call later
			args = arguments;

} else {
			// call and lock until later
			fn.apply(context, arguments);
			setTimeout(later, time);
			lock = true;
		}
	};

return wrapperFn;
}

// @function wrapNum(num: Number, range: Number[], includeMax?: Boolean): Number
// Returns the number `num` modulo `range` in such a way so it lies within
// `range[0]` and `range[1]`. The returned value will be always smaller than
// `range[1]` unless `includeMax` is set to `true`.
export function wrapNum(x, range, includeMax) {
	var max = range[1],
	    min = range[0],
	    d = max - min;
	return x === max && includeMax ? x : ((x - min) % d + d) % d + min;
}

// @function falseFn(): Function
// Returns a function which always returns `false`.
export function falseFn() { return false; }

// @function formatNum(num: Number, precision?: Number|false): Number
// Returns the number `num` rounded with specified `precision`.
// The default `precision` value is 6 decimal places.
// `false` can be passed to skip any processing (can be useful to avoid round-off errors).
export function formatNum(num, precision) {
	if (precision === false) { return num; }
	var pow = Math.pow(10, precision === undefined ? 6 : precision);
	return Math.round(num * pow) / pow;
}

// @function trim(str: String): String
// Compatibility polyfill for [String.prototype.trim](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String/Trim)
export function trim(str) {
	return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
}

// @function splitWords(str: String): String[]
// Trims and splits the string on whitespace and returns the array of parts.
export function splitWords(str) {
	return trim(str).split(/\s+/);
}

// @function setOptions(obj: Object, options: Object): Object
// Merges the given properties to the `options` of the `obj` object, returning the resulting options. See `Class options`. Has an `L.setOptions` shortcut.
export function setOptions(obj, options) {
	if (!Object.prototype.hasOwnProperty.call(obj, 'options')) {
		obj.options = obj.options ? create(obj.options) : {};
	}
	for (var i in options) {
		obj.options[i] = options[i];
	}
	return obj.options;
}

// @function getParamString(obj: Object, existingUrl?: String, uppercase?: Boolean): String
// Converts an object into a parameter URL string, e.g. `{a: "foo", b: "bar"}`
// translates to `'?a=foo&b=bar'`. If `existingUrl` is set, the parameters will
// be appended at the end. If `uppercase` is `true`, the parameter names will
// be uppercased (e.g. `'?A=foo&B=bar'`)
export function getParamString(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('&');
}

var templateRe = /\{ *([\w_ -]+) *\}/g;

// @function template(str: String, data: Object): String
// Simple templating facility, accepts a template string of the form `'Hello {a}, {b}'`
// and a data object like `{a: 'foo', b: 'bar'}`, returns evaluated string
// `('Hello foo, bar')`. You can also specify functions instead of strings for
// data values — they will be evaluated passing `data` as an argument.
export function template(str, data) {
	return str.replace(templateRe, 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;
	});
}

// @function isArray(obj): Boolean
// Compatibility polyfill for [Array.isArray](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray)
export var isArray = Array.isArray || function (obj) {
	return (Object.prototype.toString.call(obj) === '[object Array]');
};

// @function indexOf(array: Array, el: Object): Number
// Compatibility polyfill for [Array.prototype.indexOf](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf)
export function indexOf(array, el) {
	for (var i = 0; i < array.length; i++) {
		if (array[i] === el) { return i; }
	}
	return -1;
}

// @property emptyImageUrl: String
// Data URI string containing a base64-encoded empty GIF image.
// Used as a hack to free memory from unused images on WebKit-powered
// mobile devices (by setting image `src` to this string).
export var emptyImageUrl = 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=';

// inspired by https://paulirish.com/2011/requestanimationframe-for-smart-animating/

function getPrefixed(name) {
	return window['webkit' + name] || window['moz' + name] || window['ms' + name];
}

var lastTime = 0;

// fallback for IE 7-8
function timeoutDefer(fn) {
	var time = +new Date(),
	    timeToCall = Math.max(0, 16 - (time - lastTime));

lastTime = time + timeToCall;
	return window.setTimeout(fn, timeToCall);
}

export var requestFn = window.requestAnimationFrame || getPrefixed('RequestAnimationFrame') || timeoutDefer;
export var cancelFn = window.cancelAnimationFrame || getPrefixed('CancelAnimationFrame') ||
		getPrefixed('CancelRequestAnimationFrame') || function (id) { window.clearTimeout(id); };

// @function requestAnimFrame(fn: Function, context?: Object, immediate?: Boolean): Number
// Schedules `fn` to be executed when the browser repaints. `fn` is bound to
// `context` if given. When `immediate` is set, `fn` is called immediately if
// the browser doesn't have native support for
// [`window.requestAnimationFrame`](https://developer.mozilla.org/docs/Web/API/window/requestAnimationFrame),
// otherwise it's delayed. Returns a request ID that can be used to cancel the request.
export function requestAnimFrame(fn, context, immediate) {
	if (immediate && requestFn === timeoutDefer) {
		fn.call(context);
	} else {
		return requestFn.call(window, bind(fn, context));
	}
}

// @function cancelAnimFrame(id: Number): undefined
// Cancels a previous `requestAnimFrame`. See also [window.cancelAnimationFrame](https://developer.mozilla.org/docs/Web/API/window/cancelAnimationFrame).
export function cancelAnimFrame(id) {
	if (id) {
		cancelFn.call(window, id);
	}
}

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