feat: set program language with settings.json

Author: heyzec

src/extension.ts

@@ -2,10 +2,11 @@
 // Import the module and reference it with the alias vscode in your code below
 import * as vscode from "vscode";
 import { setupStatusBar } from "./statusbar/status";
-import { evalEditor } from "./commands/evalEditor";
 import { registerAllCommands } from "./commands";
 import { activateLspClient, deactivateLspClient } from "./lsp/client";
 import { LanguageClient } from "vscode-languageclient/node";
+import { canonicaliseLocation } from "./utils/misc";
+import config from "./utils/config";
 
 // TODO: Don't expose this object directly, create an interface via a wrapper class
 export let client: LanguageClient;
@@ -25,6 +26,21 @@ export function activate(context: vscode.ExtensionContext) {
   const info = context.globalState.get("info") ?? {};
 
   client.sendRequest("source/publishInfo", info);
+
+  // TODO: Prompt the user to make this folder the default, and then set back to the config store.
+
+  // Update user's workspace settings to associate .js to Source
+  const workspaceFolder = canonicaliseLocation(config.workspaceFolder);
+  if (
+    vscode.workspace.workspaceFolders
+      ?.map((wf) => wf.uri.fsPath)
+      .includes(workspaceFolder)
+  ) {
+    const workspaceConfig = vscode.workspace.getConfiguration();
+    workspaceConfig.update("files.associations", {
+      "*.js": "source",
+    });
+  }
 }
 
 // This method is called when your extension is deactivated

src/utils/editor.ts

@@ -50,7 +50,6 @@ export class Editor {
     self.assessmentName = assessmentName;
     self.questionId = questionId;
 
-    // TODO: Prompt the user to make this folder the default, and then set back to the config store.
     const workspaceFolder = canonicaliseLocation(config.workspaceFolder);
 
     const filePath = path.join(