source: imaps-frontend/node_modules/es-abstract/2021/InternalizeJSONProperty.js

main
Last change on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago

Update repo after prototype presentation

  • Property mode set to 100644
File size: 2.1 KB
Line 
1'use strict';
2
3var $TypeError = require('es-errors/type');
4
5var Call = require('./Call');
6var CreateDataProperty = require('./CreateDataProperty');
7var EnumerableOwnPropertyNames = require('./EnumerableOwnPropertyNames');
8var Get = require('./Get');
9var IsArray = require('./IsArray');
10var LengthOfArrayLike = require('./LengthOfArrayLike');
11var ToString = require('./ToString');
12var Type = require('./Type');
13
14var forEach = require('../helpers/forEach');
15
16// https://262.ecma-international.org/11.0/#sec-internalizejsonproperty
17
18module.exports = function InternalizeJSONProperty(holder, name, reviver) {
19 if (Type(holder) !== 'Object') {
20 throw new $TypeError('Assertion failed: `holder` is not an Object');
21 }
22 if (typeof name !== 'string') {
23 throw new $TypeError('Assertion failed: `name` is not a String');
24 }
25 if (typeof reviver !== 'function') {
26 throw new $TypeError('Assertion failed: `reviver` is not a Function');
27 }
28
29 var val = Get(holder, name); // step 1
30
31 if (Type(val) === 'Object') { // step 2
32 var isArray = IsArray(val); // step 2.a
33 if (isArray) { // step 2.b
34 var I = 0; // step 2.b.i
35
36 var len = LengthOfArrayLike(val, 'length'); // step 2.b.ii
37
38 while (I < len) { // step 2.b.iii
39 var newElement = InternalizeJSONProperty(val, ToString(I), reviver); // step 2.b.iv.1
40
41 if (typeof newElement === 'undefined') { // step 2.b.iii.2
42 delete val[ToString(I)]; // step 2.b.iii.2.a
43 } else { // step 2.b.iii.3
44 CreateDataProperty(val, ToString(I), newElement); // step 2.b.iii.3.a
45 }
46
47 I += 1; // step 2.b.iii.4
48 }
49 } else { // step 2.c
50 var keys = EnumerableOwnPropertyNames(val, 'key'); // step 2.c.i
51
52 forEach(keys, function (P) { // step 2.c.ii
53 // eslint-disable-next-line no-shadow
54 var newElement = InternalizeJSONProperty(val, P, reviver); // step 2.c.ii.1
55
56 if (typeof newElement === 'undefined') { // step 2.c.ii.2
57 delete val[P]; // step 2.c.ii.2.a
58 } else { // step 2.c.ii.3
59 CreateDataProperty(val, P, newElement); // step 2.c.ii.3.a
60 }
61 });
62 }
63 }
64
65 return Call(reviver, holder, [name, val]); // step 3
66};
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