setup nodejs module paths so that extensions can import things from others

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

src/main/electron-app/runnables/setup-module-paths.injectable.ts

@@ -0,0 +1,34 @@
+/**
+ * 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 * as path from "path";
+import { beforeApplicationIsLoadingInjectionToken } from "../../start-main-application/runnable-tokens/before-application-is-loading-injection-token";
+import directoryForUserDataInjectable from "../../../common/app-paths/directory-for-user-data/directory-for-user-data.injectable";
+
+const setupModulePathsInjectable = getInjectable({
+  id: "setup-module-paths",
+
+  instantiate: (di) => {
+    const userDataDir = di.inject(directoryForUserDataInjectable);
+
+    return {
+      run: () => {
+        const module = __non_webpack_require__("module");
+
+        if (module?._nodeModulePaths) {
+          const nodeModulePaths = module._nodeModulePaths;
+
+          module._nodeModulePaths = (from: string[]) => {
+            return nodeModulePaths(from).concat([path.join(userDataDir, "node_modules")]);
+          };
+        }
+      },
+    };
+  },
+
+  injectionToken: beforeApplicationIsLoadingInjectionToken,
+});
+
+export default setupModulePathsInjectable;