/**
* @external {Object.assign} https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
*/
/* istanbul ignore next */
if (!Object.assign) {
Object.defineProperty(Object, 'assign', {
enumerable: false,
configurable: true,
writable: true,
value: function(target, firstSource) {
'use strict';
if (target === undefined || target === null) {
throw new TypeError('Cannot convert first argument to object');
}
var to = Object(target);
var i = 1;
for (; i < arguments.length; i++) {
var nextSource = arguments[i];
if (nextSource === undefined || nextSource === null) {
continue;
}
var keysArray = Object.keys(Object(nextSource));
var nextIndex = 0, len = keysArray.length;
for (; nextIndex < len; nextIndex++) {
var nextKey = keysArray[nextIndex];
var desc = Object.getOwnPropertyDescriptor(
nextSource, nextKey);
if (desc !== undefined && desc.enumerable) {
to[nextKey] = nextSource[nextKey];
}
}
}
return to;
}
});
}
/**
* @external {Array.indexOf} https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf
*/
/* istanbul ignore next */
if (!Array.prototype.indexOf) {
Object.defineProperty(Array.prototype, "indexOf", {
value: 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;
}
});
}
/**
* @external {Array.fill} https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/fill
*/
/* istanbul ignore next */
if (!Array.prototype.fill) {
Object.defineProperty(Array.prototype, "fill", {
value: function(value) {
if (this === null) {
throw new TypeError('this is null or not defined');
}
var O = Object(this);
var len = O.length >>> 0;
var start = arguments[1];
var relativeStart = start >> 0;
var k = relativeStart < 0 ?
Math.max(len + relativeStart, 0) :
Math.min(relativeStart, len);
var end = arguments[2];
var relativeEnd = end === undefined ?
len : end >> 0;
var final = relativeEnd < 0 ?
Math.max(len + relativeEnd, 0) :
Math.min(relativeEnd, len);
while (k < final) {
O[k] = value;
k++;
}
return O;
}
});
}
/**
* mocking window
*/
if (typeof window === 'undefined') {
window = typeof global === 'undefined' ? {} : global;
}