massive update, probably broken
[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / core-js / internals / array-iteration-from-last.js
1 var bind = require('../internals/function-bind-context');
2 var IndexedObject = require('../internals/indexed-object');
3 var toObject = require('../internals/to-object');
4 var lengthOfArrayLike = require('../internals/length-of-array-like');
5
6 // `Array.prototype.{ findLast, findLastIndex }` methods implementation
7 var createMethod = function (TYPE) {
8   var IS_FIND_LAST_INDEX = TYPE == 1;
9   return function ($this, callbackfn, that) {
10     var O = toObject($this);
11     var self = IndexedObject(O);
12     var boundFunction = bind(callbackfn, that);
13     var index = lengthOfArrayLike(self);
14     var value, result;
15     while (index-- > 0) {
16       value = self[index];
17       result = boundFunction(value, index, O);
18       if (result) switch (TYPE) {
19         case 0: return value; // findLast
20         case 1: return index; // findLastIndex
21       }
22     }
23     return IS_FIND_LAST_INDEX ? -1 : undefined;
24   };
25 };
26
27 module.exports = {
28   // `Array.prototype.findLast` method
29   // https://github.com/tc39/proposal-array-find-from-last
30   findLast: createMethod(0),
31   // `Array.prototype.findLastIndex` method
32   // https://github.com/tc39/proposal-array-find-from-last
33   findLastIndex: createMethod(1)
34 };