Enable noUnusedParameters option for vscode extension

editors/code/src/commands/analyzer_status.ts

@@ -9,7 +9,7 @@ export class TextDocumentContentProvider
     public syntaxTree: string = 'Not available';
 
     public provideTextDocumentContent(
-        uri: vscode.Uri,
+        _uri: vscode.Uri,
     ): vscode.ProviderResult<string> {
         const editor = vscode.window.activeTextEditor;
         if (editor == null) {

editors/code/src/commands/expand_macro.ts

@@ -11,7 +11,7 @@ export class ExpandMacroContentProvider
     public eventEmitter = new vscode.EventEmitter<vscode.Uri>();
 
     public provideTextDocumentContent(
-        uri: vscode.Uri,
+        _uri: vscode.Uri,
     ): vscode.ProviderResult<string> {
         async function handle() {
             const editor = vscode.window.activeTextEditor;

editors/code/src/commands/runnables.ts

@@ -178,7 +178,7 @@ export async function startCargoWatch(
         }
 
         const label = 'install-cargo-watch';
-        const taskFinished = new Promise((resolve, reject) => {
+        const taskFinished = new Promise((resolve, _reject) => {
             const disposable = vscode.tasks.onDidEndTask(({ execution }) => {
                 if (execution.task.name === label) {
                     disposable.dispose();

editors/code/tsconfig.json

@@ -7,7 +7,8 @@
         "sourceMap": true,
         "rootDir": "src",
         "strict": true,
-        "noUnusedLocals": true
+        "noUnusedLocals": true,
+        "noUnusedParameters": true
     },
     "exclude": ["node_modules", ".vscode-test"]
 }

editors/code/tslint.json

@@ -4,6 +4,8 @@
     "rules": {
         "quotemark": [true, "single"],
         "interface-name": false,
-        "object-literal-sort-keys": false
+        "object-literal-sort-keys": false,
+        // Allow `_bar` to sort with tsc's `noUnusedParameters` option
+        "variable-name": [true, "allow-leading-underscore"]
     }
 }