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