feat(monaco): Integrate clangd LSP for C language support in Monaco Editor

src/app/page.tsx

@@ -1,101 +1,88 @@
-import Image from "next/image";
+"use client";
+
+import {
+  toSocket,
+  WebSocketMessageReader,
+  WebSocketMessageWriter,
+} from "vscode-ws-jsonrpc";
+import { useEffect } from "react";
+import dynamic from "next/dynamic";
+import normalizeUrl from "normalize-url";
+import { Skeleton } from "@/components/ui/skeleton";
+
+const DynamicEditor = dynamic(
+  async () => {
+    const monaco = await import("monaco-editor");
+    const { loader, Editor } = await import("@monaco-editor/react");
+
+    loader.config({ monaco });
+
+    return Editor;
+  },
+  { ssr: false }
+);
 
 export default function Home() {
-  return (
+  useEffect(() => {
-    <div className="grid grid-rows-[20px_1fr_20px] items-center justify-items-center min-h-screen p-8 pb-20 gap-16 sm:p-20 font-[family-name:var(--font-geist-sans)]">
+    const url = normalizeUrl("ws://localhost:4594/clangd");
-      <main className="flex flex-col gap-8 row-start-2 items-center sm:items-start">
+    const webSocket = new WebSocket(url);
-        <Image
-          className="dark:invert"
-          src="/next.svg"
-          alt="Next.js logo"
-          width={180}
-          height={38}
-          priority
-        />
-        <ol className="list-inside list-decimal text-sm text-center sm:text-left font-[family-name:var(--font-geist-mono)]">
-          <li className="mb-2">
-            Get started by editing{" "}
-            <code className="bg-black/[.05] dark:bg-white/[.06] px-1 py-0.5 rounded font-semibold">
-              src/app/page.tsx
-            </code>
-            .
-          </li>
-          <li>Save and see your changes instantly.</li>
-        </ol>
 
-        <div className="flex gap-4 items-center flex-col sm:flex-row">
+    webSocket.onopen = async () => {
-          <a
+      const socket = toSocket(webSocket);
-            className="rounded-full border border-solid border-transparent transition-colors flex items-center justify-center bg-foreground text-background gap-2 hover:bg-[#383838] dark:hover:bg-[#ccc] text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5"
+      const reader = new WebSocketMessageReader(socket);
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
+      const writer = new WebSocketMessageWriter(socket);
-            target="_blank"
+
-            rel="noopener noreferrer"
+      const { MonacoLanguageClient } = await import("monaco-languageclient");
-          >
+      const { ErrorAction, CloseAction } = await import(
-            <Image
+        "vscode-languageclient"
-              className="dark:invert"
+      );
-              src="/vercel.svg"
+
-              alt="Vercel logomark"
+      const languageClient = new MonacoLanguageClient({
-              width={20}
+        name: "C Language Client",
-              height={20}
+        clientOptions: {
-            />
+          documentSelector: ["c"],
-            Deploy now
+          errorHandler: {
-          </a>
+            error: () => ({ action: ErrorAction.Continue }),
-          <a
+            closed: () => ({ action: CloseAction.DoNotRestart }),
-            className="rounded-full border border-solid border-black/[.08] dark:border-white/[.145] transition-colors flex items-center justify-center hover:bg-[#f2f2f2] dark:hover:bg-[#1a1a1a] hover:border-transparent text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5 sm:min-w-44"
+          },
-            href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
+        },
-            target="_blank"
+        connectionProvider: {
-            rel="noopener noreferrer"
+          get: () => Promise.resolve({ reader, writer }),
-          >
+        },
-            Read our docs
+      });
-          </a>
+
-        </div>
+      languageClient.start();
-      </main>
+      reader.onClose(() => languageClient.stop());
-      <footer className="row-start-3 flex gap-6 flex-wrap items-center justify-center">
+    };
-        <a
+
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
+    webSocket.onerror = (event) => {
-          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
+      console.error("WebSocket error observed:", event);
-          target="_blank"
+    };
-          rel="noopener noreferrer"
+
-        >
+    webSocket.onclose = (event) => {
-          <Image
+      console.log("WebSocket closed:", event);
-            aria-hidden
+    };
-            src="/file.svg"
+
-            alt="File icon"
+    return () => {
-            width={16}
+      webSocket.close();
-            height={16}
+    };
-          />
+  }, []);
-          Learn
+
-        </a>
+  return (
-        <a
+    <div className="h-screen flex flex-col">
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
+      <DynamicEditor
-          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
+        theme="vs-dark"
-          target="_blank"
+        defaultLanguage="c"
-          rel="noopener noreferrer"
+        defaultValue="# include<stdio.h>"
-        >
+        path="file:///main.c"
-          <Image
+        onValidate={(markers) => {
-            aria-hidden
+          markers.forEach((marker) =>
-            src="/window.svg"
+            console.log("onValidate:", marker.message)
-            alt="Window icon"
+          );
-            width={16}
+        }}
-            height={16}
+        options={{ automaticLayout: true }}
-          />
+        loading={<Skeleton className="h-full w-full p-4" />}
-          Examples
+      />
-        </a>
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://nextjs.org?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/globe.svg"
-            alt="Globe icon"
-            width={16}
-            height={16}
-          />
-          Go to nextjs.org →
-        </a>
-      </footer>
     </div>
   );
 }