main
Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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File size:
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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-deletepropertyorthrow
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9 |
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10 | module.exports = function DeletePropertyOrThrow(O, P) {
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11 | if (Type(O) !== 'Object') {
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12 | throw new $TypeError('Assertion failed: Type(O) is not Object');
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13 | }
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14 |
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15 | if (!IsPropertyKey(P)) {
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16 | throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true');
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17 | }
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18 |
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19 | // eslint-disable-next-line no-param-reassign
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20 | var success = delete O[P];
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21 | if (!success) {
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22 | throw new $TypeError('Attempt to delete property failed.');
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23 | }
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24 | return success;
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25 | };
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