main
Last change
on this file since d565449 was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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Property mode
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100644
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File size:
1.1 KB
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1 | 'use strict';
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2 |
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3 | var $TypeError = require('es-errors/type');
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4 |
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5 | var isPropertyDescriptor = require('../helpers/records/property-descriptor');
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6 | var DefineOwnProperty = require('../helpers/DefineOwnProperty');
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7 |
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8 | var FromPropertyDescriptor = require('./FromPropertyDescriptor');
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9 | var IsDataDescriptor = require('./IsDataDescriptor');
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10 | var IsPropertyKey = require('./IsPropertyKey');
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11 | var SameValue = require('./SameValue');
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12 | var ToPropertyDescriptor = require('./ToPropertyDescriptor');
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13 | var Type = require('./Type');
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14 |
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15 | // https://262.ecma-international.org/6.0/#sec-definepropertyorthrow
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16 |
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17 | module.exports = function DefinePropertyOrThrow(O, P, desc) {
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18 | if (Type(O) !== 'Object') {
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19 | throw new $TypeError('Assertion failed: Type(O) is not Object');
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20 | }
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21 |
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22 | if (!IsPropertyKey(P)) {
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23 | throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true');
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24 | }
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25 |
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26 | var Desc = isPropertyDescriptor(desc) ? desc : ToPropertyDescriptor(desc);
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27 | if (!isPropertyDescriptor(Desc)) {
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28 | throw new $TypeError('Assertion failed: Desc is not a valid Property Descriptor');
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29 | }
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30 |
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31 | return DefineOwnProperty(
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32 | IsDataDescriptor,
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33 | SameValue,
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34 | FromPropertyDescriptor,
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35 | O,
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36 | P,
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37 | Desc
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38 | );
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39 | };
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