From 40d7e1bc5a2a8debf81e451ef3bf7a4256ef8247 Mon Sep 17 00:00:00 2001
From: Simen Bekkhus <sbekkhus91@gmail.com>
Date: Tue, 28 Jul 2020 11:50:36 +0200
Subject: [PATCH] async watcher

---
 packages/jest-core/src/TestScheduler.ts | 16 ++++++++--------
 packages/jest-core/src/TestWatcher.ts   |  4 ++--
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/packages/jest-core/src/TestScheduler.ts b/packages/jest-core/src/TestScheduler.ts
index bf455a2e05c1..67d89b8663d1 100644
--- a/packages/jest-core/src/TestScheduler.ts
+++ b/packages/jest-core/src/TestScheduler.ts
@@ -367,15 +367,15 @@ export default class TestScheduler {
       aggregatedResults.numFailedTests >= this._globalConfig.bail
     ) {
       if (watcher.isWatchMode()) {
-        watcher.setState({interrupted: true});
-      } else {
-        const failureExit = () => exit(1);
-
-        return this._dispatcher
-          .onRunComplete(contexts, aggregatedResults)
-          .then(failureExit)
-          .catch(failureExit);
+        return watcher.setState({interrupted: true});
       }
+
+      const failureExit = () => exit(1);
+
+      return this._dispatcher
+        .onRunComplete(contexts, aggregatedResults)
+        .then(failureExit)
+        .catch(failureExit);
     }
     return Promise.resolve();
   }
diff --git a/packages/jest-core/src/TestWatcher.ts b/packages/jest-core/src/TestWatcher.ts
index 651c78f122eb..3dbacb3fb5e4 100644
--- a/packages/jest-core/src/TestWatcher.ts
+++ b/packages/jest-core/src/TestWatcher.ts
@@ -21,9 +21,9 @@ export default class TestWatcher extends emittery.Typed<{change: State}> {
     this._isWatchMode = isWatchMode;
   }
 
-  setState(state: State): void {
+  async setState(state: State): Promise<void> {
     Object.assign(this.state, state);
-    this.emit('change', this.state);
+    await this.emit('change', this.state);
   }
 
   isInterrupted(): boolean {