1 | 'use strict';
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2 | var DESCRIPTORS = require('../internals/descriptors');
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3 | var fails = require('../internals/fails');
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4 | var uncurryThis = require('../internals/function-uncurry-this');
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5 | var objectGetPrototypeOf = require('../internals/object-get-prototype-of');
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6 | var objectKeys = require('../internals/object-keys');
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7 | var toIndexedObject = require('../internals/to-indexed-object');
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8 | var $propertyIsEnumerable = require('../internals/object-property-is-enumerable').f;
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9 |
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10 | var propertyIsEnumerable = uncurryThis($propertyIsEnumerable);
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11 | var push = uncurryThis([].push);
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12 |
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13 | // in some IE versions, `propertyIsEnumerable` returns incorrect result on integer keys
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14 | // of `null` prototype objects
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15 | var IE_BUG = DESCRIPTORS && fails(function () {
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16 | // eslint-disable-next-line es/no-object-create -- safe
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17 | var O = Object.create(null);
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18 | O[2] = 2;
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19 | return !propertyIsEnumerable(O, 2);
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20 | });
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21 |
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22 | // `Object.{ entries, values }` methods implementation
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23 | var createMethod = function (TO_ENTRIES) {
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24 | return function (it) {
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25 | var O = toIndexedObject(it);
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26 | var keys = objectKeys(O);
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27 | var IE_WORKAROUND = IE_BUG && objectGetPrototypeOf(O) === null;
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28 | var length = keys.length;
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29 | var i = 0;
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30 | var result = [];
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31 | var key;
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32 | while (length > i) {
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33 | key = keys[i++];
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34 | if (!DESCRIPTORS || (IE_WORKAROUND ? key in O : propertyIsEnumerable(O, key))) {
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35 | push(result, TO_ENTRIES ? [key, O[key]] : O[key]);
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36 | }
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37 | }
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38 | return result;
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39 | };
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40 | };
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41 |
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42 | module.exports = {
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43 | // `Object.entries` method
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44 | // https://tc39.es/ecma262/#sec-object.entries
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45 | entries: createMethod(true),
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46 | // `Object.values` method
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47 | // https://tc39.es/ecma262/#sec-object.values
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48 | values: createMethod(false)
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49 | };
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