index.js (1693B)
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 * Return a regular expression to capture a filename extension. 23 * 24 * @module @stdlib/regexp/extname 25 * 26 * @example 27 * var reExtname = require( '@stdlib/regexp/extname' ); 28 * var RE_EXTNAME = reExtname(); 29 * 30 * // On a POSIX platform... 31 * var ext = RE_EXTNAME.exec( '/foo/bar/index.js' )[ 1 ]; 32 * // returns '.js' 33 * 34 * @example 35 * var reExtname = require( '@stdlib/regexp/extname' ); 36 * var RE_EXTNAME = reExtname(); 37 * 38 * // On a Windows platform... 39 * var ext = RE_EXTNAME.exec( 'C:\\foo\\bar\\index.js' )[ 1 ]; 40 * // returns '.js' 41 */ 42 43 // MODULES // 44 45 var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); 46 var posix = require( './../../extname-posix' ).REGEXP; 47 var win32 = require( './../../extname-windows' ).REGEXP; 48 var IS_WINDOWS = require( '@stdlib/assert/is-windows' ); 49 var reExtname = require( './main.js' ); 50 51 52 // MAIN // 53 54 setReadOnly( reExtname, 'REGEXP', ( IS_WINDOWS ) ? win32 : posix ); 55 setReadOnly( reExtname, 'REGEXP_POSIX', posix ); 56 setReadOnly( reExtname, 'REGEXP_WIN32', win32 ); 57 58 59 // EXPORTS // 60 61 module.exports = reExtname;