From 3ffb036627c4a57b74d636c114ca94124b991ba5 Mon Sep 17 00:00:00 2001
From: "Fred K. Schott" <fkschott@gmail.com>
Date: Wed, 3 Jun 2020 12:33:41 -0700
Subject: [PATCH] improve handling of process exit

---
 package.json        | 1 +
 src/commands/dev.ts | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index cafce17389..706278a25f 100644
--- a/package.json
+++ b/package.json
@@ -83,6 +83,7 @@
     "resolve-from": "^5.0.0",
     "rimraf": "^3.0.0",
     "rollup": "^2.3.0",
+    "signal-exit": "^3.0.3",
     "strip-comments": "^2.0.1",
     "tar": "^6.0.1",
     "validate-npm-package-name": "^3.0.0",
diff --git a/src/commands/dev.ts b/src/commands/dev.ts
index 1ce7b16324..29c8f19a69 100644
--- a/src/commands/dev.ts
+++ b/src/commands/dev.ts
@@ -38,6 +38,7 @@ import npmRunPath from 'npm-run-path';
 import os from 'os';
 import path from 'path';
 import url from 'url';
+import onProcessExit from 'signal-exit';
 import detectPort from 'detect-port';
 import {BuildScript, SnowpackPluginBuildResult} from '../config';
 import {EsmHmrEngine} from '../hmr-server-engine';
@@ -777,9 +778,8 @@ export async function command(commandOptions: CommandOptions) {
   watcher.on('change', (fileLoc) => onWatchEvent(fileLoc));
   watcher.on('unlink', (fileLoc) => onWatchEvent(fileLoc));
 
-  process.on('SIGINT', () => {
+  onProcessExit(() => {
     hmrEngine.disconnectAllClients();
-    process.exit(0);
   });
 
   console.log = (...args) => {