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on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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1 | /*!
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2 | * define-property <https://github.com/jonschlinkert/define-property>
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3 | *
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4 | * Copyright (c) 2015-2018, Jon Schlinkert.
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5 | * Released under the MIT License.
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6 | */
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7 |
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8 | 'use strict';
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9 |
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10 | var isobject = require('isobject');
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11 | var isDescriptor = require('is-descriptor');
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12 | var define = (typeof Reflect !== 'undefined' && Reflect.defineProperty)
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13 | ? Reflect.defineProperty
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14 | : Object.defineProperty;
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15 |
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16 | module.exports = function defineProperty(obj, key, val) {
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17 | if (!isobject(obj) && typeof obj !== 'function' && !Array.isArray(obj)) {
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18 | throw new TypeError('expected an object, function, or array');
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19 | }
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20 |
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21 | if (typeof key !== 'string') {
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22 | throw new TypeError('expected "key" to be a string');
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23 | }
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24 |
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25 | if (isDescriptor(val)) {
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26 | define(obj, key, val);
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27 | return obj;
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28 | }
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29 |
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30 | define(obj, key, {
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31 | configurable: true,
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32 | enumerable: false,
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33 | writable: true,
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34 | value: val
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35 | });
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36 |
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37 | return obj;
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38 | };
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