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33 lines
870 B
33 lines
870 B
var isObject = require('./isObject'), |
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isPrototype = require('./_isPrototype'), |
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nativeKeysIn = require('./_nativeKeysIn'); |
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/** Used for built-in method references. */ |
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var objectProto = Object.prototype; |
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/** Used to check objects for own properties. */ |
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var hasOwnProperty = objectProto.hasOwnProperty; |
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/** |
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* The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense. |
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* |
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* @private |
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* @param {Object} object The object to query. |
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* @returns {Array} Returns the array of property names. |
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*/ |
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function baseKeysIn(object) { |
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if (!isObject(object)) { |
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return nativeKeysIn(object); |
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} |
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var isProto = isPrototype(object), |
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result = []; |
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for (var key in object) { |
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if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) { |
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result.push(key); |
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} |
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} |
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return result; |
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} |
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module.exports = baseKeysIn;
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