feat: "deno.internalInspect" setting

README.md

@@ -204,6 +204,8 @@ extension has the following configuration options:
   hints where the variable name matches the implicit type.
 - `deno.internalDebug`: If enabled the Deno Language Server will log additional
   internal diagnostic information.
+- `deno.internalInspect`: Enables the inspector server for the JS runtime used
+  by the Deno Language Server to host its TS server.
 - `deno.lint`: Controls if linting information will be provided by the Deno
   Language Server. _boolean, default `true`_
 - `deno.maxTsServerMemory`: Maximum amount of memory the TypeScript isolate can

client/src/commands.ts

@@ -173,12 +173,17 @@ export function startLanguageServer(
       return;
     }
 
-    const env = {
+    const env: Record<string, unknown> = {
       ...process.env,
       "DENO_V8_FLAGS": getV8Flags(),
       "NO_COLOR": true,
     };
 
+    const config = vscode.workspace.getConfiguration(EXTENSION_NS);
+    if (config.get("internalInspect")) {
+      env["DENO_LSP_INSPECTOR"] = 1;
+    }
+
     const serverOptions: ServerOptions = {
       run: {
         command,

client/src/extension.ts

@@ -57,6 +57,7 @@ const workspaceSettingsKeys: Array<keyof Settings> = [
   "importMap",
   "inlayHints",
   "internalDebug",
+  "internalInspect",
   "lint",
   "logFile",
   "path",
@@ -178,6 +179,7 @@ function handleConfigurationChange(event: vscode.ConfigurationChangeEvent) {
       event.affectsConfiguration("deno.enable") ||
       event.affectsConfiguration("deno.disablePaths") ||
       event.affectsConfiguration("deno.enablePaths") ||
+      event.affectsConfiguration("deno.internalInspect") ||
       event.affectsConfiguration("deno.logFile") ||
       event.affectsConfiguration("deno.path") ||
       event.affectsConfiguration("deno.maxTsServerMemory")

client/src/shared_types.d.ts

@@ -102,6 +102,7 @@ export interface Settings {
   /** A flag that enables additional internal debug information to be printed
    * to the _Deno Language Server_ output. */
   internalDebug: boolean;
+  internalInspect: boolean;
   /** Determine if the extension should be providing linting diagnostics. */
   lint: boolean;
   logFile: boolean;

package.json

@@ -475,6 +475,16 @@
             false
           ]
         },
+        "deno.internalInspect": {
+          "type": "boolean",
+          "default": false,
+          "markdownDescription": "Enables the inspector server for the JS runtime used by the Deno Language Server to host its TS server.",
+          "scope": "window",
+          "examples": [
+            true,
+            false
+          ]
+        },
         "deno.logFile": {
           "type": "boolean",
           "default": false,

typescript-deno-plugin/src/index.ts

@@ -44,6 +44,7 @@ const defaultSettings: Settings = {
   importMap: null,
   inlayHints: null,
   internalDebug: false,
+  internalInspect: false,
   lint: false,
   logFile: false,
   path: null,