overleaf/services/web/frontend/js/vendor/libs/polyfills/array-fill.js
Alasdair Smith e035d526d6 Merge pull request #2287 from overleaf/as-frontend-rearch
Restructure frontend directories

GitOrigin-RevId: 5a1224ca186f4809df45680a80d374c1c318d7bf
2019-11-05 14:22:52 +00:00

46 lines
1,017 B
JavaScript

define([], function() {
if (!Array.prototype.fill) {
Object.defineProperty(Array.prototype, 'fill', {
value: function (value) {
// Steps 1-2.
if (this == null) {
throw new TypeError('this is null or not defined');
}
var O = Object(this);
// Steps 3-5.
var len = O.length >>> 0;
// Steps 6-7.
var start = arguments[1];
var relativeStart = start >> 0;
// Step 8.
var k = relativeStart < 0 ?
Math.max(len + relativeStart, 0) :
Math.min(relativeStart, len);
// Steps 9-10.
var end = arguments[2];
var relativeEnd = end === undefined ?
len : end >> 0;
// Step 11.
var final = relativeEnd < 0 ?
Math.max(len + relativeEnd, 0) :
Math.min(relativeEnd, len);
// Step 12.
while (k < final) {
O[k] = value;
k++;
}
// Step 13.
return O;
}
});
}
})