Revert setRawMode on --watch quit (fixes #5028) (#5029)

* Revert setRawMode on --watch ctrl-c (#5028)

* Disable stdin raw mode in watch quit plugin (#5028)

* Update changelog

Author: andyearnshaw

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 ### Fixes
 
+* `[jest-cli]` Fix inability to quit watch mode while debugger is still attached
+  ([#5029](https://github.com/facebook/jest/pull/5029))
 * `[jest-haste-map]` Properly handle platform-specific file deletions
   ([#5534](https://github.com/facebook/jest/pull/5534))
 

packages/jest-cli/src/plugins/quit.js

@@ -10,6 +10,9 @@ import WatchPlugin from '../watch_plugin';
 
 class QuitPlugin extends WatchPlugin {
   async showPrompt() {
+    if (typeof this._stdin.setRawMode === 'function') {
+      this._stdin.setRawMode(false);
+    }
     this._stdout.write('\n');
     process.exit(0);
   }

packages/jest-cli/src/watch.js

@@ -230,6 +230,9 @@ export default function watch(
 
   const onKeypress = (key: string) => {
     if (key === KEYS.CONTROL_C || key === KEYS.CONTROL_D) {
+      if (typeof stdin.setRawMode === 'function') {
+        stdin.setRawMode(false);
+      }
       outputStream.write('\n');
       exit(0);
       return;