time-to-botec

Benchmark sampling in different programming languages
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main.js (2198B)

      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 // MODULES //
     22 
     23 var getOwnPropertySymbols = require( './../../property-symbols' );
     24 var getOwnPropertyNames = require( './../../property-names' );
     25 var getPrototypeOf = require( './../../get-prototype-of' );
     26 
     27 
     28 // FUNCTIONS //
     29 
     30 /**
     31 * Returns a boolean indicating if an array contains a provided value.
     32 *
     33 * @private
     34 * @param {Array} arr - array
     35 * @param {*} v - search value
     36 * @returns {boolean} boolean indicating if an array contains a search value
     37 */
     38 function contains( arr, v ) {
     39 	var i;
     40 	for ( i = 0; i < arr.length; i++ ) {
     41 		if ( arr[ i ] === v ) {
     42 			return true;
     43 		}
     44 	}
     45 	return false;
     46 }
     47 
     48 
     49 // MAIN //
     50 
     51 /**
     52 * Returns an array of an object's own and inherited property names and symbols.
     53 *
     54 * @param {*} value - input object
     55 * @returns {Array} a list of own and inherited property names and symbols
     56 *
     57 * @example
     58 * var props = propertiesIn( [] );
     59 * // returns [...]
     60 */
     61 function propertiesIn( value ) {
     62 	var out;
     63 	var obj;
     64 	var tmp;
     65 	var i;
     66 
     67 	if ( value === null || value === void 0 ) {
     68 		return [];
     69 	}
     70 	// Cast the value to an object:
     71 	obj = Object( value );
     72 
     73 	// Walk the prototype chain collecting all properties...
     74 	out = [];
     75 	do {
     76 		tmp = getOwnPropertyNames( obj );
     77 		for ( i = 0; i < tmp.length; i++ ) {
     78 			if ( contains( out, tmp[ i ] ) === false ) {
     79 				out.push( tmp[ i ] );
     80 			}
     81 		}
     82 		tmp = getOwnPropertySymbols( obj );
     83 		for ( i = 0; i < tmp.length; i++ ) {
     84 			if ( contains( out, tmp[ i ] ) === false ) {
     85 				out.push( tmp[ i ] );
     86 			}
     87 		}
     88 		obj = getPrototypeOf( obj );
     89 	} while ( obj );
     90 
     91 	return out;
     92 }
     93 
     94 
     95 // EXPORTS //
     96 
     97 module.exports = propertiesIn;