time-to-botec

Benchmark sampling in different programming languages
Log | Files | Refs | README

main.js (1378B)

      1 /**
      2 * @license Apache-2.0
      3 *
      4 * Copyright (c) 2018 The Stdlib Authors.
      5 *
      6 * Licensed under the Apache License, Version 2.0 (the "License");
      7 * you may not use this file except in compliance with the License.
      8 * You may obtain a copy of the License at
      9 *
     10 *    http://www.apache.org/licenses/LICENSE-2.0
     11 *
     12 * Unless required by applicable law or agreed to in writing, software
     13 * distributed under the License is distributed on an "AS IS" BASIS,
     14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15 * See the License for the specific language governing permissions and
     16 * limitations under the License.
     17 */
     18 
     19 'use strict';
     20 
     21 // MAIN //
     22 
     23 /**
     24 * Tests if an object has a specified property, either own or inherited.
     25 *
     26 * @param {*} value - value to test
     27 * @param {*} property - property to test
     28 * @returns {boolean} boolean indicating if an object has a specified property
     29 *
     30 * @example
     31 * var beep = {
     32 *     'boop': true
     33 * };
     34 *
     35 * var bool = hasProp( beep, 'boop' );
     36 * // returns true
     37 *
     38 * @example
     39 * var beep = {
     40 *     'boop': true
     41 * };
     42 *
     43 * var bool = hasProp( beep, 'bap' );
     44 * // returns false
     45 */
     46 function hasProp( value, property ) {
     47 	if ( value === void 0 || value === null ) {
     48 		return false;
     49 	}
     50 	if ( typeof property === 'symbol' ) {
     51 		return property in Object( value );
     52 	}
     53 	return ( String( property ) in Object( value ) );
     54 }
     55 
     56 
     57 // EXPORTS //
     58 
     59 module.exports = hasProp;