fix: enable fallback watcher when dynamicRegistration is false (#2783)

jasonlyu123 · web-flow · commit 3b30d5eeac9f · 2025-06-27T10:55:23.000+08:00
diff --git a/packages/language-server/src/server.ts b/packages/language-server/src/server.ts
@@ -123,7 +123,7 @@ export function startServer(options?: LSOptions) {
             Logger.error('No workspace path set');
         }
 
-        if (!evt.capabilities.workspace?.didChangeWatchedFiles) {
+        if (!evt.capabilities.workspace?.didChangeWatchedFiles?.dynamicRegistration) {
             const workspacePaths = workspaceUris.map(urlToPath).filter(isNotNullOrUndefined);
             watcher = new FallbackWatcher(watchExtensions, workspacePaths);
             watcher.onDidChangeWatchedFiles(onDidChangeWatchedFiles);

Original file line number	Diff line number	Diff line change
`@@ -123,7 +123,7 @@ export function startServer(options?: LSOptions) {`
`123`	`123`	`Logger.error('No workspace path set');`
`124`	`124`	`}`
`125`	`125`
`126`		`- if (!evt.capabilities.workspace?.didChangeWatchedFiles) {`
	`126`	`+ if (!evt.capabilities.workspace?.didChangeWatchedFiles?.dynamicRegistration) {`
`127`	`127`	`const workspacePaths = workspaceUris.map(urlToPath).filter(isNotNullOrUndefined);`
`128`	`128`	`watcher = new FallbackWatcher(watchExtensions, workspacePaths);`
`129`	`129`	`watcher.onDidChangeWatchedFiles(onDidChangeWatchedFiles);`