forked from lix-project/lix-website
65 lines
1.8 KiB
JavaScript
65 lines
1.8 KiB
JavaScript
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/**
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* @module spawn-posix
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* @author Toru Nagashima
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* @copyright 2015 Toru Nagashima. All rights reserved.
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* See LICENSE file in root directory for full license.
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*/
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"use strict"
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//------------------------------------------------------------------------------
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// Requirements
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//------------------------------------------------------------------------------
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const crossSpawn = require("cross-spawn")
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const getDescendentProcessInfo = require("pidtree")
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//------------------------------------------------------------------------------
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// Helpers
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//------------------------------------------------------------------------------
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/**
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* Kills the new process and its sub processes.
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* @this ChildProcess
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* @returns {void}
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*/
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function kill() {
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getDescendentProcessInfo(this.pid, { root: true }, (err, pids) => {
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if (err) {
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return
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}
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for (const pid of pids) {
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try {
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process.kill(pid)
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}
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catch (_err) {
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// ignore.
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}
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}
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})
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}
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//------------------------------------------------------------------------------
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// Public Interface
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//------------------------------------------------------------------------------
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/**
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* Launches a new process with the given command.
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* This is almost same as `child_process.spawn`.
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*
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* This returns a `ChildProcess` instance.
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* `kill` method of the instance kills the new process and its sub processes.
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*
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* @param {string} command - The command to run.
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* @param {string[]} args - List of string arguments.
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* @param {object} options - Options.
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* @returns {ChildProcess} A ChildProcess instance of new process.
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* @private
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*/
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module.exports = function spawn(command, args, options) {
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const child = crossSpawn(command, args, options)
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child.kill = kill
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return child
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}
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