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on this file since 1ad8e64 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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1 | /*!
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2 | * assign-symbols <https://github.com/jonschlinkert/assign-symbols>
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3 | *
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4 | * Copyright (c) 2015, Jon Schlinkert.
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5 | * Licensed 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 | module.exports = function(receiver, objects) {
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11 | if (receiver === null || typeof receiver === 'undefined') {
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12 | throw new TypeError('expected first argument to be an object.');
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13 | }
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14 |
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15 | if (typeof objects === 'undefined' || typeof Symbol === 'undefined') {
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16 | return receiver;
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17 | }
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18 |
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19 | if (typeof Object.getOwnPropertySymbols !== 'function') {
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20 | return receiver;
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21 | }
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22 |
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23 | var isEnumerable = Object.prototype.propertyIsEnumerable;
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24 | var target = Object(receiver);
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25 | var len = arguments.length, i = 0;
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26 |
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27 | while (++i < len) {
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28 | var provider = Object(arguments[i]);
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29 | var names = Object.getOwnPropertySymbols(provider);
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30 |
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31 | for (var j = 0; j < names.length; j++) {
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32 | var key = names[j];
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33 |
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34 | if (isEnumerable.call(provider, key)) {
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35 | target[key] = provider[key];
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36 | }
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37 | }
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38 | }
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39 | return target;
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40 | };
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