main
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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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Property mode
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100644
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File size:
464 bytes
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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 IsPropertyKey = require('./IsPropertyKey');
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| 6 | var Type = require('./Type');
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| 7 |
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| 8 | // https://262.ecma-international.org/6.0/#sec-hasproperty
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| 9 |
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| 10 | module.exports = function HasProperty(O, P) {
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| 11 | if (Type(O) !== 'Object') {
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| 12 | throw new $TypeError('Assertion failed: `O` must be an Object');
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| 13 | }
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| 14 | if (!IsPropertyKey(P)) {
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| 15 | throw new $TypeError('Assertion failed: `P` must be a Property Key');
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| 16 | }
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| 17 | return P in O;
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| 18 | };
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