From 0e34a806233e9db8cdb80655dab5767d80c4ca45 Mon Sep 17 00:00:00 2001
From: Simon Mollweide <simon.mollweide@namics.com>
Date: Sun, 27 May 2018 14:12:25 +0200
Subject: [PATCH] fix(child-process): pressing ctrl-c kills all child processes

---
 src/commandListener/index.js      |  7 ++++++-
 src/commandListener/index.spec.js | 10 +++++++++-
 src/runNpmScript/index.js         |  8 +++++---
 3 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/src/commandListener/index.js b/src/commandListener/index.js
index ceb000c..7812af9 100644
--- a/src/commandListener/index.js
+++ b/src/commandListener/index.js
@@ -2,7 +2,7 @@
 const path = require('path');
 const keypress = require('keypress');
 const chalk = require('chalk');
-const { getUiState } = require('../store');
+const { getUiState, getState } = require('../store');
 const getLernaPackages = require('../getLernaPackages');
 const { getProgram } = require('../commander');
 const getPackage = require('../getPackage');
@@ -16,6 +16,11 @@ let currentSelectedHistory = 0;
 
 const onCtrlC = () => {
 	buffer = '';
+	const state = getState();
+	Object.keys(state).forEach(terminalId => {
+		// stop all child processes
+		state[terminalId].terminal.stop();
+	});
 	process.exit();
 };
 
diff --git a/src/commandListener/index.spec.js b/src/commandListener/index.spec.js
index 9edab4e..52f64bd 100644
--- a/src/commandListener/index.spec.js
+++ b/src/commandListener/index.spec.js
@@ -1,7 +1,7 @@
 /* global jest, afterEach */
 /* eslint global-require: 0*/
 const commandListener = require('./index');
-const { getUiState } = require('../store');
+const { getUiState, getState } = require('../store');
 const getLernaPackages = require('../getLernaPackages');
 const { getProgram } = require('../commander');
 const getPackage = require('../getPackage');
@@ -133,6 +133,14 @@ describe('commandListener', () => {
 		getUiState.mockImplementation(() => ({
 			onChange() {},
 		}));
+		getState.mockImplementation(() => ({
+			packageA: {
+				terminal: {
+					stop() {}
+				},
+				log: []
+			}
+		}));
 		global.process = Object.assign(_process, {
 			stdin: Object.assign(_process.stdin, {
 				on: (value, cb) => {
diff --git a/src/runNpmScript/index.js b/src/runNpmScript/index.js
index 3071e24..d349710 100644
--- a/src/runNpmScript/index.js
+++ b/src/runNpmScript/index.js
@@ -12,7 +12,6 @@ const spawn = require('cross-spawn');
  * @param {Function} options.onExit - callback which will be fired if childProcess was killed
  * @param {Function} options.onRecieve - callback which will be fired if childProcess recieved an message
  * @param {Function} options.onError - callback which will be fired if childProcess recieved an error message
- * @param {Function} options.onError - callback which will be fired if childProcess recieved an error message
  * @returns {Object} returns an object including an start and stop method
  **/
 function runNpmScript({ scriptName, packagePath, onExit = () => {}, onRecieve = () => {}, onError = () => {} }) {
@@ -39,9 +38,12 @@ function runNpmScript({ scriptName, packagePath, onExit = () => {}, onRecieve =
 		return Object.assign(childProcessObj, {
 			stop() {
 				childProcessObj.isRunning = false;
+				/* istanbul ignore next */
 				try {
-					process.kill(-childProcess.pid);
-				} catch (err) {}
+					process.kill(childProcess.pid, 'SIGINT');
+				} catch (err) {
+					console.error(`process.kill(SIGINT): ${err}`);
+				}
 			},
 			start() {
 				this.stop();