Last change
on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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File size:
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1 | var isObject = require('./isObject'),
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2 | isPrototype = require('./_isPrototype'),
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3 | nativeKeysIn = require('./_nativeKeysIn');
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4 |
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5 | /** Used for built-in method references. */
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6 | var objectProto = Object.prototype;
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7 |
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8 | /** Used to check objects for own properties. */
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9 | var hasOwnProperty = objectProto.hasOwnProperty;
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10 |
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11 | /**
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12 | * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
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13 | *
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14 | * @private
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15 | * @param {Object} object The object to query.
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16 | * @returns {Array} Returns the array of property names.
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17 | */
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18 | function baseKeysIn(object) {
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19 | if (!isObject(object)) {
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20 | return nativeKeysIn(object);
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21 | }
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22 | var isProto = isPrototype(object),
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23 | result = [];
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24 |
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25 | for (var key in object) {
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26 | if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
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27 | result.push(key);
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28 | }
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29 | }
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30 | return result;
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31 | }
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32 |
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33 | module.exports = baseKeysIn;
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