feat: add server restart command.

editors/vscode/package.json

@@ -67,6 +67,11 @@
         "command": "tombi.showLanguageServerVersion",
         "title": "Show Language Server Version",
         "category": "Tombi"
+      },
+      {
+        "command": "tombi.restartLanguageServer",
+        "title": "Restart Language Server",
+        "category": "Tombi"
       }
     ],
     "configuration": {

editors/vscode/src/command/index.ts

@@ -1,3 +1,4 @@
 import { showLanguageServerVersion } from "./show-language-server-version";
+import { restartLanguageServer } from "./restart-language-server";
 
-export { showLanguageServerVersion };
+export { showLanguageServerVersion, restartLanguageServer };

editors/vscode/src/command/restart-language-server.ts

@@ -0,0 +1,7 @@
+import type * as node from "vscode-languageclient/node";
+
+export async function restartLanguageServer(
+  client: node.LanguageClient,
+): Promise<void> {
+  await client.restart();
+}

editors/vscode/src/extention/index.ts

@@ -82,6 +82,12 @@ export class Extension {
         async () => command.showLanguageServerVersion(this.server),
       ),
     );
+    this.context.subscriptions.push(
+      vscode.commands.registerCommand(
+        `${EXTENTION_ID}.restartLanguageServer`,
+        async () => command.restartLanguageServer(this.client),
+      ),
+    );
   }
 
   private registerEvents(): void {