111 lines
2.8 KiB
JavaScript
111 lines
2.8 KiB
JavaScript
/**
|
|
* Promise polyfill
|
|
*/
|
|
var Promise = require('promise-polyfill');
|
|
|
|
if (typeof window !== 'undefined' && !window.Promise) {
|
|
window.Promise = Promise;
|
|
}
|
|
|
|
/**
|
|
* Object.assign() polyfill
|
|
*/
|
|
require('es6-object-assign/auto');
|
|
|
|
/**
|
|
* String.prototype.includes() polyfill
|
|
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes#Polyfill
|
|
*/
|
|
if (!String.prototype.includes) {
|
|
String.prototype.includes = function(search, start) {
|
|
'use strict';
|
|
if (typeof start !== 'number') {
|
|
start = 0;
|
|
}
|
|
|
|
if (start + search.length > this.length) {
|
|
return false;
|
|
} else {
|
|
return this.indexOf(search, start) !== -1;
|
|
}
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Array.prototype.includes() polyfill
|
|
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/includes#Polyfill
|
|
*/
|
|
if (!Array.prototype.includes) {
|
|
Object.defineProperty(Array.prototype, 'includes', {
|
|
value: function(searchElement, fromIndex) {
|
|
|
|
// 1. Let O be ? ToObject(this value).
|
|
if (this == null) {
|
|
throw new TypeError('"this" is null or not defined');
|
|
}
|
|
|
|
var o = Object(this);
|
|
|
|
// 2. Let len be ? ToLength(? Get(O, "length")).
|
|
var len = o.length >>> 0;
|
|
|
|
// 3. If len is 0, return false.
|
|
if (len === 0) {
|
|
return false;
|
|
}
|
|
|
|
// 4. Let n be ? ToInteger(fromIndex).
|
|
// (If fromIndex is undefined, this step produces the value 0.)
|
|
var n = fromIndex | 0;
|
|
|
|
// 5. If n ≥ 0, then
|
|
// a. Let k be n.
|
|
// 6. Else n < 0,
|
|
// a. Let k be len + n.
|
|
// b. If k < 0, let k be 0.
|
|
var k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);
|
|
|
|
function sameValueZero(x, y) {
|
|
return x === y || (typeof x === 'number' && typeof y === 'number' && isNaN(x) && isNaN(y));
|
|
}
|
|
|
|
// 7. Repeat, while k < len
|
|
while (k < len) {
|
|
// a. Let elementK be the result of ? Get(O, ! ToString(k)).
|
|
// b. If SameValueZero(searchElement, elementK) is true, return true.
|
|
// c. Increase k by 1.
|
|
if (sameValueZero(o[k], searchElement)) {
|
|
return true;
|
|
}
|
|
k++;
|
|
}
|
|
|
|
// 8. Return false
|
|
return false;
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* ChildNode.remove() polyfill
|
|
* @see https://github.com/jserz/js_piece/blob/master/DOM/ChildNode/remove()/remove().md
|
|
*/
|
|
|
|
if (typeof window !== 'undefined') {
|
|
(function (arr) {
|
|
arr.forEach(function (item) {
|
|
if (item.hasOwnProperty('remove')) {
|
|
return;
|
|
}
|
|
Object.defineProperty(item, 'remove', {
|
|
configurable: true,
|
|
enumerable: true,
|
|
writable: true,
|
|
value: function remove() {
|
|
this.parentNode.removeChild(this);
|
|
}
|
|
});
|
|
});
|
|
})([Element.prototype, CharacterData.prototype, DocumentType.prototype]);
|
|
}
|