time-to-botec

Benchmark sampling in different programming languages
Log | Files | Refs | README

tmpdir.js (1692B)

      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 // MODULES //
     22 
     23 var IS_WINDOWS = require( '@stdlib/assert/is-windows' );
     24 var ENV = require( '@stdlib/process/env' );
     25 
     26 
     27 // VARIABLES //
     28 
     29 // Match a trailing slash...
     30 var RE;
     31 if ( IS_WINDOWS ) {
     32 	RE = /[^:]\\$/;
     33 } else {
     34 	RE = /.\/$/;
     35 }
     36 
     37 
     38 // MAIN //
     39 
     40 /**
     41 * Returns the directory for storing temporary files.
     42 *
     43 * ## Notes
     44 *
     45 * -   Introduced in io.js and Node v4. See the [ES5][1] and [ES6][2].
     46 *
     47 * [1]: https://github.com/nodejs/node/blob/9cd44bb2b683446531306bbcff8739fc3526d02c/lib/os.js#L31
     48 * [2]: https://github.com/nodejs/node/blob/5e5ec2cd1ee875ec5c837b5e0721d73628f12053/lib/os.js#L40
     49 *
     50 * @returns {string} directory for temporary files
     51 *
     52 * @example
     53 * var dir = tmpdir();
     54 * // e.g., returns '/path/to/temporary/files/directory'
     55 */
     56 function tmpdir() {
     57 	var tmp;
     58 	if ( IS_WINDOWS ) {
     59 		tmp = ENV.TEMP ||
     60 			ENV.TMP ||
     61 			(ENV.SystemRoot || ENV.windir || '') + '\\temp';
     62 	} else {
     63 		tmp = ENV.TMPDIR ||
     64 			ENV.TMP ||
     65 			ENV.TEMP ||
     66 			'/tmp';
     67 	}
     68 	if ( RE.test( tmp ) ) {
     69 		tmp = tmp.slice( 0, -1 );
     70 	}
     71 	return tmp;
     72 }
     73 
     74 
     75 // EXPORTS //
     76 
     77 module.exports = tmpdir;