index.js (1299B)
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 /** 22 * Test if a value is iterable-like. 23 * 24 * @module @stdlib/assert/is-iterable-like 25 * 26 * @example 27 * var isIterableLike = require( '@stdlib/assert/is-iterable-like' ); 28 * 29 * var bool = isIterableLike( [] ); 30 * // returns <boolean> 31 * 32 * bool = isIterableLike( {} ); 33 * // returns false 34 */ 35 36 // MODULES // 37 38 var hasIteratorSymbolSupport = require( './../../has-iterator-symbol-support' ); 39 var constantFunction = require( '@stdlib/utils/constant-function' ); 40 var main = require( './main.js' ); 41 42 43 // MAIN // 44 45 var isIterable; 46 if ( hasIteratorSymbolSupport() ) { 47 isIterable = main; 48 } else { 49 isIterable = constantFunction( false ); 50 } 51 52 53 // EXPORTS // 54 55 module.exports = isIterable;