main.js (1434B)
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 a value is truthy. 25 * 26 * @param {*} value - value to test 27 * @returns {boolean} boolean indicating whether a value is truthy 28 * 29 * @example 30 * var bool = isTruthy( true ); 31 * // returns true 32 * 33 * @example 34 * var bool = isTruthy( [] ); 35 * // returns true 36 * 37 * @example 38 * var bool = isTruthy( false ); 39 * // returns false 40 * 41 * @example 42 * var bool = isTruthy( null ); 43 * // returns false 44 * 45 * @example 46 * var bool = isTruthy( '' ); 47 * // returns false 48 * 49 * @example 50 * var bool = isTruthy( 0 ); 51 * // returns false 52 * 53 * @example 54 * var bool = isTruthy( void 0 ); 55 * // returns false 56 * 57 * @example 58 * var bool = isTruthy( NaN ); 59 * // returns false 60 */ 61 function isTruthy( value ) { 62 return ( value ) ? true : false; // eslint-disable-line no-unneeded-ternary 63 } 64 65 66 // EXPORTS // 67 68 module.exports = isTruthy;