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JavaScript library for mobile-friendly interactive maps
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<title>Code coverage report for src/core/Util.js</title>
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<meta http-equiv="content-language" content="en-gb">
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<body>
<div class='header high'>
<h1>Code coverage report for <span class='entity'>src/core/Util.js</span></h1>
<h2>
Statements: <span class='metric'>95.89% <small>(70 / 73)</small></span>
Branches: <span class='metric'>85.37% <small>(35 / 41)</small></span>
Functions: <span class='metric'>100% <small>(22 / 22)</small></span>
Lines: <span class='metric'>95.89% <small>(70 / 73)</small></span>
</h2>
<div class="path"><a href="../../index.html">All files</a> » <a href="index.html">src/core/</a> » Util.js</div>
</div>
<div class='body'>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/*
* 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) {
<span class="missing-if-branch" title="else path not taken"" >E</span>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 (/*Object*/ obj) {
obj[key] = obj[key] || ++lastId;
return obj[key];
};
}()),
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;
},
splitWords: function (str) {
return str.replace(/^\s+|\s+$/g, '').split(/\s+/);
},
setOptions: function (obj, options) {
obj.options = L.extend({}, obj.options, options);
return obj.options;
},
getParamString: function (obj, existingUrl) {
var params = [];
for (var i in obj) {
<span class="missing-if-branch" title="else path not taken"" >E</span>if (obj.hasOwnProperty(i)) {
params.push(encodeURIComponent(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];
<span class="missing-if-branch" title="if path not taken"" >I</span>if (!data.hasOwnProperty(key)) {
<span class="cstat-no" title="statement not covered" > throw new Error('No value provided for variable ' + str);</span>
} else <span class="missing-if-branch" title="if path not taken"" >I</span>if (typeof value === 'function') {
<span class="cstat-no" title="statement not covered" > value = value(data);</span>
}
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);
<span class="missing-if-branch" title="if path not taken"" >I</span>if (immediate && <span class="branch-1 cbranch-no" title="branch not covered" >requestFn === timeoutDefer)</span> {
<span class="cstat-no" title="statement not covered" > fn();</span>
} 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;
</pre></td></tr>
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