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