index.js (1560B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2021 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 * Regular expression to capture everything that is not a space immediately after the `function` keyword and before the first left parenthesis. 23 * 24 * @module @stdlib/regexp/function-name 25 * 26 * @example 27 * var reFunctionName = require( '@stdlib/regexp/function-name' ); 28 * var RE_FUNCTION_NAME = reFunctionName(); 29 * 30 * function fname( fcn ) { 31 * return RE_FUNCTION_NAME.exec( fcn.toString() )[ 1 ]; 32 * } 33 * 34 * var fn = fname( Math.sqrt ); 35 * // returns 'sqrt' 36 * 37 * fn = fname( Int8Array ); 38 * // returns 'Int8Array' 39 * 40 * fn = fname( Object.prototype.toString ); 41 * // returns 'toString' 42 * 43 * fn = fname( function(){} ); 44 * // returns '' 45 */ 46 47 // MODULES // 48 49 var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); 50 var reFunctionName = require( './main.js' ); 51 var REGEXP = require( './regexp.js' ); 52 53 54 // MAIN // 55 56 setReadOnly( reFunctionName, 'REGEXP', REGEXP ); 57 58 59 // EXPORTS // 60 61 module.exports = reFunctionName;