fix: avoid watching too many files

This fixes issue #20644

Signed-off-by: David Festal <dfestal@redhat.com>

packages/backend-plugin-manager/api-report.md

@@ -174,7 +174,7 @@ export class PluginManager implements BackendPluginProvider {
     config: Config,
     logger: LoggerService,
     preferAlpha?: boolean,
-    mooduleLoader?: ModuleLoader,
+    moduleLoader?: ModuleLoader,
   ): Promise<PluginManager>;
   // (undocumented)
   readonly plugins: DynamicPlugin[];

packages/backend-plugin-manager/src/manager/plugin-manager.ts

@@ -49,7 +49,7 @@ export class PluginManager implements BackendPluginProvider {
     config: Config,
     logger: LoggerService,
     preferAlpha: boolean = false,
-    mooduleLoader: ModuleLoader = new CommonJSModuleLoader(logger),
+    moduleLoader: ModuleLoader = new CommonJSModuleLoader(logger),
   ): Promise<PluginManager> {
     /* eslint-disable-next-line no-restricted-syntax */
     const backstageRoot = findPaths(__dirname).targetRoot;
@@ -61,7 +61,7 @@ export class PluginManager implements BackendPluginProvider {
     );
     const scannedPlugins = await scanner.scanRoot();
     scanner.trackChanges();
-    const manager = new PluginManager(logger, scannedPlugins, mooduleLoader);
+    const manager = new PluginManager(logger, scannedPlugins, moduleLoader);
 
     const dynamicPluginsPaths = scannedPlugins.map(p =>
       fs.realpathSync(
@@ -73,7 +73,7 @@ export class PluginManager implements BackendPluginProvider {
       ),
     );
 
-    mooduleLoader.bootstrap(backstageRoot, dynamicPluginsPaths);
+    moduleLoader.bootstrap(backstageRoot, dynamicPluginsPaths);
 
     scanner.subscribeToRootDirectoryChange(async () => {
       manager._availablePackages = await scanner.scanRoot();

packages/backend-plugin-manager/src/scanner/plugin-scanner.ts

@@ -217,6 +217,8 @@ export class PluginScanner {
           .watch(this._rootDirectory, {
             ignoreInitial: true,
             followSymlinks: true,
+            depth: 1,
+            disableGlobbing: true,
           })
           .on(
             'all',