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// Console-polyfill. MIT license.
// https://github.com/paulmillr/console-polyfill
// Make it safe to do console.log() always.
(function (con) {
'use strict';
var prop, method;
var empty = {};
var dummy = function() {};
var properties = 'memory'.split(',');
var methods = ('assert,count,debug,dir,dirxml,error,exception,group,' +
'groupCollapsed,groupEnd,info,log,markTimeline,profile,profileEnd,' +
'time,timeEnd,trace,warn').split(',');
while (prop = properties.pop()) con[prop] = con[prop] || empty;
while (method = methods.pop()) con[method] = con[method] || dummy;
})(this.console = this.console || {});
/* Array.indexOf polyfill */
if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function(searchElement, fromIndex) {
var k;
if (this == null) {
throw new TypeError('"this" is null or not defined');
}
var O = Object(this);
var len = O.length >>> 0;
if (len === 0) {
return -1;
}
var n = +fromIndex || 0;
if (Math.abs(n) === Infinity) {
n = 0;
}
if (n >= len) {
return -1;
}
k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);
while (k < len) {
if (k in O && O[k] === searchElement) {
return k;
}
k++;
}
return -1;
};
}
/* Array.isArray polyfill */
if (!Array.isArray) {
Array.isArray = function(arg) {
return Object.prototype.toString.call(arg) === '[object Array]';
};
}
/* Object.create polyfill */
if (typeof Object.create != 'function') {
Object.create = (function() {
var Object = function() {};
return function (prototype) {
if (arguments.length > 1) {
throw Error('Second argument not supported');
}
if (typeof prototype != 'object') {
throw TypeError('Argument must be an object');
}
Object.prototype = prototype;
var result = new Object();
Object.prototype = null;
return result;
};
})();
}
/* Function.bind polyfill */
if (!Function.prototype.bind) {
Function.prototype.bind = function (oThis) {
if (typeof this !== "function") {
throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
}
var aArgs = Array.prototype.slice.call(arguments, 1),
fToBind = this,
fNOP = function () {},
fBound = function () {
return fToBind.apply(this instanceof fNOP && oThis
? this
: oThis,
aArgs.concat(Array.prototype.slice.call(arguments)));
};
fNOP.prototype = this.prototype;
fBound.prototype = new fNOP();
return fBound;
};
}
/* setZeroTimeout polyfill, from http://dbaron.org/log/20100309-faster-timeouts */
(function(global) {
var timeouts = [];
var messageName = 'zero-timeout-message';
function setZeroTimeout(fn) {
timeouts.push(fn);
global.postMessage(messageName, '*');
}
function handleMessage(event) {
if (event.source == global && event.data == messageName) {
event.stopPropagation();
if (timeouts.length > 0) {
var fn = timeouts.shift();
fn();
}
}
}
global.addEventListener('message', handleMessage, true);
var originalSetTimeout = global.setTimeout;
global.setTimeout = function (callback, delay) {
if (!delay || delay <= 5) {
return setZeroTimeout(callback);
}
return originalSetTimeout(callback, delay);
};
global.setZeroTimeout = setZeroTimeout;
})(this);