1 | var $ = require('../internals/export');
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2 | var anObject = require('../internals/an-object');
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3 | var isObject = require('../internals/is-object');
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4 | var has = require('../internals/has');
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5 | var definePropertyModule = require('../internals/object-define-property');
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6 | var getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');
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7 | var getPrototypeOf = require('../internals/object-get-prototype-of');
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8 | var createPropertyDescriptor = require('../internals/create-property-descriptor');
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9 |
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10 |
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11 |
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12 | function set(target, propertyKey, V /* , receiver */) {
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13 | var receiver = arguments.length < 4 ? target : arguments[3];
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14 | var ownDescriptor = getOwnPropertyDescriptorModule.f(anObject(target), propertyKey);
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15 | var existingDescriptor, prototype;
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16 | if (!ownDescriptor) {
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17 | if (isObject(prototype = getPrototypeOf(target))) {
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18 | return set(prototype, propertyKey, V, receiver);
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19 | }
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20 | ownDescriptor = createPropertyDescriptor(0);
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21 | }
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22 | if (has(ownDescriptor, 'value')) {
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23 | if (ownDescriptor.writable === false || !isObject(receiver)) return false;
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24 | if (existingDescriptor = getOwnPropertyDescriptorModule.f(receiver, propertyKey)) {
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25 | if (existingDescriptor.get || existingDescriptor.set || existingDescriptor.writable === false) return false;
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26 | existingDescriptor.value = V;
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27 | definePropertyModule.f(receiver, propertyKey, existingDescriptor);
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28 | } else definePropertyModule.f(receiver, propertyKey, createPropertyDescriptor(0, V));
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29 | return true;
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30 | }
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31 | return ownDescriptor.set === undefined ? false : (ownDescriptor.set.call(receiver, V), true);
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32 | }
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33 |
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34 | $({ target: 'Reflect', stat: true }, {
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35 | set: set
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36 | });
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