Nikolay Vitkov | d76576c | 2024-12-02 14:10:15 | [diff] [blame] | 1 | 'use strict'; |
| 2 | |
| 3 | var $TypeError = require('es-errors/type'); |
| 4 | |
| 5 | var Call = require('./Call'); |
| 6 | var CreateDataProperty = require('./CreateDataProperty'); |
| 7 | var EnumerableOwnNames = require('./EnumerableOwnNames'); |
| 8 | var Get = require('./Get'); |
| 9 | var IsArray = require('./IsArray'); |
| 10 | var ToLength = require('./ToLength'); |
| 11 | var ToString = require('./ToString'); |
| 12 | var Type = require('./Type'); |
| 13 | |
| 14 | var forEach = require('../helpers/forEach'); |
| 15 | |
| 16 | // https://262.ecma-international.org/6.0/#sec-internalizejsonproperty |
| 17 | |
| 18 | // note: `reviver` was implicitly closed-over until ES2020, where it becomes a third argument |
| 19 | |
| 20 | module.exports = function InternalizeJSONProperty(holder, name, reviver) { |
| 21 | if (Type(holder) !== 'Object') { |
| 22 | throw new $TypeError('Assertion failed: `holder` is not an Object'); |
| 23 | } |
| 24 | if (typeof name !== 'string') { |
| 25 | throw new $TypeError('Assertion failed: `name` is not a String'); |
| 26 | } |
| 27 | if (typeof reviver !== 'function') { |
| 28 | throw new $TypeError('Assertion failed: `reviver` is not a Function'); |
| 29 | } |
| 30 | |
| 31 | var val = Get(holder, name); // step 1 |
| 32 | |
| 33 | if (Type(val) === 'Object') { // step 3 |
| 34 | var isArray = IsArray(val); // step 3.a |
| 35 | if (isArray) { // step 3.c |
| 36 | var I = 0; // step 3.c.i |
| 37 | |
| 38 | var len = ToLength(Get(val, 'length')); // step 3.b.ii |
| 39 | |
| 40 | while (I < len) { // step 3.b.iv |
| 41 | var newElement = InternalizeJSONProperty(val, ToString(I), reviver); // step 3.b.iv.1 |
| 42 | |
| 43 | if (typeof newElement === 'undefined') { // step 3.b.iv.3 |
| 44 | delete val[ToString(I)]; // step 3.b.iv.3.a |
| 45 | } else { // step 3.b.iv.4 |
| 46 | CreateDataProperty(val, ToString(I), newElement); // step 3.b.iv.4.a |
| 47 | } |
| 48 | |
| 49 | I += 1; // step 3.b.iv.6 |
| 50 | } |
| 51 | } else { |
| 52 | var keys = EnumerableOwnNames(val); // step 3.d.i |
| 53 | |
| 54 | forEach(keys, function (P) { // step 3.d.iii |
| 55 | // eslint-disable-next-line no-shadow |
| 56 | var newElement = InternalizeJSONProperty(val, P, reviver); // step 3.d.iii.1 |
| 57 | |
| 58 | if (typeof newElement === 'undefined') { // step 3.d.iii.3 |
| 59 | delete val[P]; // step 3.d.iii.3.a |
| 60 | } else { // step 3.d.iii.4 |
| 61 | CreateDataProperty(val, P, newElement); // step 3.d.iii.4.a |
| 62 | } |
| 63 | }); |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | return Call(reviver, holder, [name, val]); // step 4 |
| 68 | }; |