From 40b93b9c2722e85a000de62e3eb8bc02facafd10 Mon Sep 17 00:00:00 2001
From: Haoqun Jiang <haoqunjiang@gmail.com>
Date: Sun, 28 May 2023 22:39:22 +0800
Subject: [PATCH] fix: properly close the watcher after tests

---
 src/pluginWebpack4.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/pluginWebpack4.ts b/src/pluginWebpack4.ts
index fb066987..335a6a0a 100644
--- a/src/pluginWebpack4.ts
+++ b/src/pluginWebpack4.ts
@@ -171,6 +171,15 @@ class VueLoaderPlugin {
           watcher.close()
         }
       })
+
+      // In some cases, e.g. in this project's tests,
+      // even though needsHMR() returns true, webpack is not watching, thus no watchClose hook is called.
+      // So we need to close the watcher when webpack is done.
+      compiler.hooks.done.tap(id, () => {
+        if (watcher) {
+          watcher.close()
+        }
+      })
     }
   }
 }