make lsp better

packages/opencode/src/lsp/client.ts

@@ -117,6 +117,7 @@ export namespace LSPClient {
         textDocument: {
           synchronization: {
             didOpen: true,
+            didChange: true,
           },
           publishDiagnostics: {
             versionSupport: true,
@@ -127,7 +128,9 @@ export namespace LSPClient {
     await connection.sendNotification("initialized", {})
     log.info("initialized")
 
-    const files = new Set<string>()
+    const files: {
+      [path: string]: number
+    } = {}
 
     const result = {
       get clientID() {
@@ -143,8 +146,8 @@ export namespace LSPClient {
             : path.resolve(app.path.cwd, input.path)
           const file = Bun.file(input.path)
           const text = await file.text()
-          const opened = files.has(input.path)
-          if (!opened) {
+          const version = files[input.path]
+          if (version === undefined) {
             log.info("textDocument/didOpen", input)
             diagnostics.delete(input.path)
             const extension = path.extname(input.path)
@@ -153,11 +156,11 @@ export namespace LSPClient {
               textDocument: {
                 uri: `file://` + input.path,
                 languageId,
-                version: Date.now(),
+                version: 0,
                 text,
               },
             })
-            files.add(input.path)
+            files[input.path] = 0
             return
           }
 
@@ -166,7 +169,7 @@ export namespace LSPClient {
           await connection.sendNotification("textDocument/didChange", {
             textDocument: {
               uri: `file://` + input.path,
-              version: Date.now(),
+              version: ++files[input.path],
             },
             contentChanges: [
               {
@@ -213,6 +216,7 @@ export namespace LSPClient {
         log.info("shutting down")
         connection.end()
         connection.dispose()
+        server.kill()
       },
     }
 

packages/opencode/src/lsp/index.ts

@@ -23,7 +23,7 @@ export namespace LSP {
     },
   )
 
-  export async function file(input: string) {
+  export async function touchFile(input: string, waitForDiagnostics?: boolean) {
     const extension = path.parse(input).ext
     const s = await state()
     const matches = AUTO.filter((x) => x.extensions.includes(extension))
@@ -40,11 +40,13 @@ export namespace LSP {
       })
       s.clients.set(match.id, client)
     }
-    await run(async (client) => {
-      const wait = client.waitForDiagnostics({ path: input })
-      await client.notify.open({ path: input })
-      return wait
-    })
+    if (waitForDiagnostics) {
+      await run(async (client) => {
+        const wait = client.waitForDiagnostics({ path: input })
+        await client.notify.open({ path: input })
+        return wait
+      })
+    }
   }
 
   export async function diagnostics() {