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