feat: add diagnostics

package.json

@@ -1,6 +1,7 @@
 {
   "name": "typos-vscode",
   "displayName": "typos-vscode",
+  "publisher": "tekumara",
   "description": "Source code spell checker",
   "version": "0.0.1",
   "engines": {
@@ -9,15 +10,40 @@
   "categories": [
     "Other"
   ],
-  "activationEvents": [],
+  "activationEvents": [
+    "onStartupFinished"
+  ],
   "main": "./out/extension.js",
   "contributes": {
     "commands": [
       {
         "command": "typos-vscode.helloWorld",
         "title": "Hello World"
       }
-    ]
+    ],
+    "configuration": {
+      "type": "object",
+      "title": "Typos",
+      "properties": {
+        "typos.path": {
+          "scope": "machine-overridable",
+          "type": "string",
+          "default": null,
+          "description": "When set to a path to the `typos-lsp` binary, extension will use that."
+        },
+        "typos.trace.server": {
+          "scope": "window",
+          "type": "string",
+          "enum": [
+            "off",
+            "messages",
+            "verbose"
+          ],
+          "default": "off",
+          "description": "Traces the communication between VS Code and the language server."
+        }
+      }
+    }
   },
   "scripts": {
     "vscode:prepublish": "npm run compile",
@@ -28,16 +54,19 @@
     "test": "node ./out/test/runTest.js"
   },
   "devDependencies": {
-    "@types/vscode": "^1.77.0",
     "@types/glob": "^8.1.0",
     "@types/mocha": "^10.0.1",
     "@types/node": "16.x",
+    "@types/vscode": "^1.77.0",
     "@typescript-eslint/eslint-plugin": "^5.53.0",
     "@typescript-eslint/parser": "^5.53.0",
+    "@vscode/test-electron": "^2.2.3",
     "eslint": "^8.34.0",
     "glob": "^8.1.0",
     "mocha": "^10.2.0",
-    "typescript": "^4.9.5",
-    "@vscode/test-electron": "^2.2.3"
+    "typescript": "^4.9.5"
+  },
+  "dependencies": {
+    "vscode-languageclient": "^8.1.0"
   }
 }

src/extension.ts

@@ -1,26 +1,61 @@
-// The module 'vscode' contains the VS Code extensibility API
-// Import the module and reference it with the alias vscode in your code below
-import * as vscode from 'vscode';
-
-// This method is called when your extension is activated
-// Your extension is activated the very first time the command is executed
-export function activate(context: vscode.ExtensionContext) {
-
-	// Use the console to output diagnostic information (console.log) and errors (console.error)
-	// This line of code will only be executed once when your extension is activated
-	console.log('Congratulations, your extension "typos-vscode" is now active!');
-
-	// The command has been defined in the package.json file
-	// Now provide the implementation of the command with registerCommand
-	// The commandId parameter must match the command field in package.json
-	let disposable = vscode.commands.registerCommand('typos-vscode.helloWorld', () => {
-		// The code you place here will be executed every time your command is executed
-		// Display a message box to the user
-		vscode.window.showInformationMessage('Hello World from typos-vscode!');
-	});
-
-	context.subscriptions.push(disposable);
+import { workspace, ExtensionContext } from 'vscode';
+
+import {
+	LanguageClient,
+	LanguageClientOptions,
+	ServerOptions,
+	Executable
+} from 'vscode-languageclient/node';
+
+let client: LanguageClient;
+
+export function activate(context: ExtensionContext) {
+
+    const serverId = "typos";
+	const serverName = "Typos Language Server";
+
+	const env = { ...process.env };
+
+	// TODO: move into config
+    env.RUST_LOG = "trace";
+
+	let config = workspace.getConfiguration(serverId);
+	let command = config.get<null | string>("path");
+
+	if (!command) {
+		throw new Error("Please specify typos.path setting.");
+	}
+
+	const run: Executable = {
+		command: command,
+		options: { env: env },
+	};
+
+	const serverOptions: ServerOptions = {
+		run: run,
+		// used when launched in debug mode
+		debug: run
+	};
+
+	const clientOptions: LanguageClientOptions = {
+		// Register the server for all documents
+		documentSelector: [{ scheme: 'file', pattern: '**' }],
+	};
+
+	client = new LanguageClient(
+		serverId,
+		serverName,
+		serverOptions,
+		clientOptions
+	);
+
+	// Start the client. This will also launch the server
+	client.start();
 }
 
-// This method is called when your extension is deactivated
-export function deactivate() {}
+export function deactivate(): Thenable<void> | undefined {
+	if (!client) {
+		return undefined;
+	}
+	return client.stop();
+}