time-to-botec

Benchmark sampling in different programming languages
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main.js (1332B)

      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 // MAIN //
     22 
     23 /**
     24 * Returns a regular expression to capture everything that is not a space immediately after the `function` keyword and before the first left parenthesis.
     25 *
     26 * @returns {RegExp} regular expression
     27 *
     28 * @example
     29 * var RE_FUNCTION_NAME = reFunctionName();
     30 *
     31 * function fname( fcn ) {
     32 *     return RE_FUNCTION_NAME.exec( fcn.toString() )[ 1 ];
     33 * }
     34 *
     35 * var fn = fname( Math.sqrt );
     36 * // returns 'sqrt'
     37 *
     38 * fn = fname( Int8Array );
     39 * // returns 'Int8Array'
     40 *
     41 * fn = fname( Object.prototype.toString );
     42 * // returns 'toString'
     43 *
     44 * fn = fname( function(){} );
     45 * // returns ''
     46 */
     47 function reFunctionName() {
     48 	return /^\s*function\s*([^(]*)/i;
     49 }
     50 
     51 
     52 // EXPORTS //
     53 
     54 module.exports = reFunctionName;