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55 lines
1.4 KiB
55 lines
1.4 KiB
var baseKeysIn = require('./_baseKeysIn'),
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indexKeys = require('./_indexKeys'),
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isIndex = require('./_isIndex'),
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isPrototype = require('./_isPrototype');
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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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* Creates an array of the own and inherited enumerable property names of `object`.
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*
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* **Note:** Non-object values are coerced to objects.
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*
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* @static
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* @memberOf _
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* @since 3.0.0
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* @category Object
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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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* @example
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*
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* function Foo() {
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* this.a = 1;
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* this.b = 2;
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* }
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*
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* Foo.prototype.c = 3;
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*
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* _.keysIn(new Foo);
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* // => ['a', 'b', 'c'] (iteration order is not guaranteed)
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*/
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function keysIn(object) {
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var index = -1,
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isProto = isPrototype(object),
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props = baseKeysIn(object),
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propsLength = props.length,
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indexes = indexKeys(object),
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skipIndexes = !!indexes,
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result = indexes || [],
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length = result.length;
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while (++index < propsLength) {
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var key = props[index];
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if (!(skipIndexes && (key == 'length' || isIndex(key, length))) &&
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!(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 = keysIn;
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