93 lines
2.2 KiB
JavaScript
93 lines
2.2 KiB
JavaScript
|
/**
|
||
|
|
* @license Apache-2.0
|
||
|
|
*
|
||
|
|
* Copyright (c) 2018 The Stdlib Authors.
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
// MODULES //
|
||
|
|
|
||
|
|
var objectKeys = require( './../../../keys' );
|
||
|
|
var ENV = require( '@stdlib/process/env' );
|
||
|
|
|
||
|
|
|
||
|
|
// FUNCTIONS //
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Copies `process.env`.
|
||
|
|
*
|
||
|
|
* ## Notes
|
||
|
|
*
|
||
|
|
* - This implementation accommodates `process.env` on older Node.js versions (<=v0.10.x), where `process.env` was object-like, but would show unexpected behavior when attempting to get own property descriptors.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
* @returns {Object} copy of `process.env`
|
||
|
|
*/
|
||
|
|
function copy() {
|
||
|
|
var keys;
|
||
|
|
var env;
|
||
|
|
var out;
|
||
|
|
var i;
|
||
|
|
|
||
|
|
keys = objectKeys( ENV );
|
||
|
|
out = {};
|
||
|
|
for ( i = 0; i < keys.length; i++ ) {
|
||
|
|
env = keys[ i ];
|
||
|
|
out[ env ] = ENV[ env ];
|
||
|
|
}
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// MAIN //
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns worker environment variables.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
* @param {Options} opts - options
|
||
|
|
* @param {string} opts.cmd - executable file/command
|
||
|
|
* @param {boolean} opts.ordered - boolean indicating whether to preserve order of script output
|
||
|
|
* @param {(NonNegativeInteger|null)} opts.uid - process user identity
|
||
|
|
* @param {(NonNegativeInteger|null)} opts.gid - process group identity
|
||
|
|
* @param {string} opts.encoding - `stdio` encoding
|
||
|
|
* @param {NonNegativeInteger} opts.maxBuffer - max child process `stdio` buffer size
|
||
|
|
* @returns {Object} environment variables
|
||
|
|
*/
|
||
|
|
function env( opts ) {
|
||
|
|
var out = copy();
|
||
|
|
|
||
|
|
out.WORKER_CMD = opts.cmd;
|
||
|
|
out.WORKER_ENCODING = opts.encoding;
|
||
|
|
out.WORKER_MAX_BUFFER = opts.maxBuffer;
|
||
|
|
|
||
|
|
if ( opts.ordered ) {
|
||
|
|
out.WORKER_ORDERED = '1';
|
||
|
|
}
|
||
|
|
if ( opts.uid ) {
|
||
|
|
out.WORKER_UID = opts.uid;
|
||
|
|
}
|
||
|
|
if ( opts.gid ) {
|
||
|
|
out.WORKER_GID = opts.gid;
|
||
|
|
}
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// EXPORTS //
|
||
|
|
|
||
|
|
module.exports = env;
|