Last change
on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 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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