source: frontend/node_modules/es-abstract/2022/SortIndexedProperties.js

Last change on this file was 9af201e, checked in by MBK <marija.karapandzova@…>, 13 days ago

Fix frontend appearance

  • Property mode set to 100644
File size: 1.6 KB
Line 
1'use strict';
2
3var callBound = require('call-bound');
4
5var $TypeError = require('es-errors/type');
6var isInteger = require('math-intrinsics/isInteger');
7var isObject = require('es-object-atoms/isObject');
8
9var DeletePropertyOrThrow = require('./DeletePropertyOrThrow');
10var Get = require('./Get');
11var HasProperty = require('./HasProperty');
12var Set = require('./Set');
13var ToString = require('./ToString');
14
15var isAbstractClosure = require('../helpers/isAbstractClosure');
16
17var $sort = callBound('Array.prototype.sort');
18
19// https://262.ecma-international.org/13.0/#sec-sortindexedproperties
20
21module.exports = function SortIndexedProperties(obj, len, SortCompare) {
22 if (!isObject(obj)) {
23 throw new $TypeError('Assertion failed: Type(obj) is not Object');
24 }
25 if (!isInteger(len) || len < 0) {
26 throw new $TypeError('Assertion failed: `len` must be an integer >= 0');
27 }
28 if (!isAbstractClosure(SortCompare) || SortCompare.length !== 2) {
29 throw new $TypeError('Assertion failed: `SortCompare` must be an abstract closure taking 2 arguments');
30 }
31
32 var items = []; // step 1
33
34 var k = 0; // step 2
35
36 while (k < len) { // step 3
37 var Pk = ToString(k);
38 var kPresent = HasProperty(obj, Pk);
39 if (kPresent) {
40 var kValue = Get(obj, Pk);
41 items[items.length] = kValue;
42 }
43 k += 1;
44 }
45
46 var itemCount = items.length; // step 4
47
48 $sort(items, SortCompare); // step 5
49
50 var j = 0; // step 6
51
52 while (j < itemCount) { // step 7
53 Set(obj, ToString(j), items[j], true);
54 j += 1;
55 }
56
57 while (j < len) { // step 8
58 DeletePropertyOrThrow(obj, ToString(j));
59 j += 1;
60 }
61 return obj; // step 9
62};
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