Close log files on unmount

Signed-off-by: Sami Tiilikainen <97873007+samitiilikainen@users.noreply.github.com>

packages/core/src/renderer/bootstrap.tsx

@@ -19,6 +19,7 @@ import { Router } from "react-router";
 import historyInjectable from "./navigation/history.injectable";
 import assert from "assert";
 import startFrameInjectable from "./start-frame/start-frame.injectable";
+import closeRendererLogFileInjectable from "./logger/close-renderer-log-file.injectable";
 
 export async function bootstrap(di: DiContainer) {
   const startFrame = di.inject(startFrameInjectable);
@@ -54,7 +55,15 @@ export async function bootstrap(di: DiContainer) {
   }
 
   try {
-    await initializeApp(() => unmountComponentAtNode(rootElem));
+    const unmount = () => {
+      const closeLogFile = di.inject(closeRendererLogFileInjectable);
+
+      closeLogFile();
+
+      unmountComponentAtNode(rootElem);
+    };
+
+    await initializeApp(unmount);
   } catch (error) {
     console.error(`[BOOTSTRAP]: view initialization error: ${error}`, {
       origin: location.href,

packages/core/src/renderer/logger/close-renderer-log-file.injectable.ts

@@ -0,0 +1,19 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { getInjectable } from "@ogre-tools/injectable";
+import rendererFileLoggerTransportInjectable from "./file-transport.injectable";
+
+const closeRendererLogFileInjectable = getInjectable({
+  id: "close-renderer-log-file",
+  instantiate: (di) => {
+    const fileLoggingTransport = di.inject(rendererFileLoggerTransportInjectable);
+
+    return () => {
+      fileLoggingTransport.close?.();
+    };
+  },
+});
+
+export default closeRendererLogFileInjectable;