64 lines
1.4 KiB
JavaScript
64 lines
1.4 KiB
JavaScript
/**
|
|
* @license Apache-2.0
|
|
*
|
|
* Copyright (c) 2018 The Stdlib Authors.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
// MODULES //
|
|
|
|
var hasArgumentsBug = require( './has_arguments_bug.js' );
|
|
var HAS_BUILTIN = require( './has_builtin.js' );
|
|
var builtin = require( './builtin.js' );
|
|
var wrapper = require( './builtin_wrapper.js' );
|
|
var polyfill = require( './polyfill.js' );
|
|
|
|
|
|
// MAIN //
|
|
|
|
/**
|
|
* Returns an array of an object's own enumerable property names.
|
|
*
|
|
* @name keys
|
|
* @type {Function}
|
|
* @param {*} value - input object
|
|
* @returns {Array} a list of own enumerable property names
|
|
*
|
|
* @example
|
|
* var obj = {
|
|
* 'beep': 'boop',
|
|
* 'foo': 3.14
|
|
* };
|
|
*
|
|
* var k = keys( obj );
|
|
* // e.g., returns [ 'beep', 'foo' ]
|
|
*/
|
|
var keys;
|
|
if ( HAS_BUILTIN ) {
|
|
if ( hasArgumentsBug() ) {
|
|
keys = wrapper;
|
|
} else {
|
|
keys = builtin;
|
|
}
|
|
} else {
|
|
keys = polyfill;
|
|
}
|
|
|
|
|
|
// EXPORTS //
|
|
|
|
module.exports = keys;
|