63 lines
1.5 KiB
JavaScript
63 lines
1.5 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 getOwnPropertySymbols = require( './../../property-symbols' );
|
|
var isNonEnumerableProperty = require( '@stdlib/assert/is-nonenumerable-property' );
|
|
|
|
|
|
// MAIN //
|
|
|
|
/**
|
|
* Returns an array of an object's own non-enumerable symbol properties.
|
|
*
|
|
* @param {*} value - input object
|
|
* @returns {Array} a list of own non-enumerable symbol properties
|
|
*
|
|
* @example
|
|
* var symbols = nonEnumerablePropertySymbols( {} );
|
|
*/
|
|
function nonEnumerablePropertySymbols( value ) { // eslint-disable-line id-length
|
|
var symbols;
|
|
var i;
|
|
var n;
|
|
|
|
if ( value === null || value === void 0 ) {
|
|
return [];
|
|
}
|
|
symbols = getOwnPropertySymbols( Object( value ) );
|
|
n = 0;
|
|
for ( i = 0; i < symbols.length; i++ ) {
|
|
if ( isNonEnumerableProperty( value, symbols[ i ] ) ) {
|
|
symbols[ n ] = symbols[ i ];
|
|
n += 1;
|
|
}
|
|
}
|
|
symbols.length = n;
|
|
|
|
return symbols;
|
|
}
|
|
|
|
|
|
// EXPORTS //
|
|
|
|
module.exports = nonEnumerablePropertySymbols;
|