integrate with racket-langserver

.gitignore

@@ -1,4 +1,4 @@
 .vscode-test
 out/
 .DS_Store
-node_modules
+node_modules

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "racket-langserver"]
+	path = racket-langserver
+	url = https://github.com/JJPro/racket-langserver.git

package.json

@@ -2,13 +2,14 @@
   "name": "magic-racket",
   "displayName": "Magic Racket",
   "description": "Language support for Racket: top notch syntax highlighting and REPL integration.",
-  "version": "0.4.5",
+  "version": "0.4.6",
   "activationEvents": [
     "onCommand:magic-racket.loadFileIntoNewRepl",
     "onCommand:magic-racket.loadFileIntoRepl",
     "onCommand:magic-racket.runFile",
     "onCommand:magic-racket.executeSelectionInRepl",
-    "onCommand:magic-racket.openRepl"
+    "onCommand:magic-racket.openRepl",
+    "onLanguage:racket"
   ],
   "main": "./out/extension.js",
   "galleryBanner": {
@@ -182,6 +183,7 @@
     "vscode-test": "^1.3.0"
   },
   "dependencies": {
-    "@types/vscode": "^1.39.0"
+    "@types/vscode": "^1.39.0",
+    "vscode-languageclient": "^6.1.3"
   }
 }

src/extension.ts

@@ -1,4 +1,7 @@
 import * as vscode from "vscode";
+import { LanguageClient } from "vscode-languageclient";
+
+let langClient: LanguageClient;
 
 function getRacketExecutable() {
   let racket: string | undefined = vscode.workspace
@@ -76,9 +79,52 @@ function loadFileInRepl(repl: vscode.Terminal, filePath: string) {
   repl.sendText(`(enter! (file "${normalizeFilePath(filePath)}"))`);
 }
 
-export function deactivate() {}
+export function deactivate() {
+  if (!langClient) {
+    return undefined;
+  }
+  return langClient.stop();
+}
 
 export function activate(context: vscode.ExtensionContext) {
+  /* ****** Language Client ******* */
+  const executable = {
+    command: "racket",
+    // args: ['--lib', 'racket-langserver'],
+    args: [context.asAbsolutePath("racket-langserver/main.rkt")],
+    // args: [context.asAbsolutePath('racket-language-server/main.rkt')],
+  };
+
+  // If the extension is launched in debug mode then the debug server options are used
+  // Otherwise the run options are used
+  const serverOptions = {
+    run: executable,
+    debug: executable,
+  };
+
+  // Options to control the language client
+  const clientOptions = {
+    // Register the server for racket documents
+    documentSelector: [{ scheme: "file", language: "racket" }],
+    synchronize: {
+      // Notify the server about file changes to '.clientrc files contained in the workspace
+      fileEvents: vscode.workspace.createFileSystemWatcher("**/.clientrc"),
+    },
+  };
+
+  // Create the language client and start the client.
+  langClient = new LanguageClient(
+    "magic-racket",
+    "Racket Language Client",
+    serverOptions,
+    clientOptions,
+  );
+
+  // Start the client. This will also launch the server
+  langClient.start();
+
+  /* ****** Language Client END ******* */
+
   const loadFileIntoCurrent = vscode.commands.registerCommand(
     "magic-racket.loadFileIntoRepl",
     () => {