Enable noImplicitReturns option for vscode extension

editors/code/src/commands/runnables.ts

@@ -73,7 +73,7 @@ function createTask(spec: Runnable): vscode.Task {
 }
 
 let prevRunnable: RunnableQuickPick | undefined;
-export async function handle() {
+export async function handle(): Promise<vscode.TaskExecution | undefined> {
     const editor = vscode.window.activeTextEditor;
     if (editor == null || editor.document.languageId !== 'rust') {
         return;
@@ -105,13 +105,15 @@ export async function handle() {
         items.push(new RunnableQuickPick(r));
     }
     const item = await vscode.window.showQuickPick(items);
-    if (item) {
+    if (!item) {
+        return;
+    }
+
     item.detail = 'rerun';
     prevRunnable = item;
     const task = createTask(item.runnable);
     return await vscode.tasks.executeTask(task);
 }
-}
 
 export async function handleSingle(runnable: Runnable) {
     const editor = vscode.window.activeTextEditor;

editors/code/src/test/utils/diagnotics/SuggestedFix.test.ts

@@ -114,7 +114,8 @@ describe('SuggestedFix', () => {
 
             const edit = codeAction.edit;
             if (!edit) {
-                return assert.fail('Code Action edit unexpectedly missing');
+                assert.fail('Code Action edit unexpectedly missing');
+                return;
             }
 
             const editEntries = edit.entries();

editors/code/src/test/utils/diagnotics/SuggestedFixCollection.test.ts

@@ -53,7 +53,8 @@ describe('SuggestedFixCollection', () => {
 
         const { diagnostics } = codeAction;
         if (!diagnostics) {
-            return assert.fail('Diagnostics unexpectedly missing');
+            assert.fail('Diagnostics unexpectedly missing');
+            return;
         }
 
         assert.strictEqual(diagnostics.length, 1);
@@ -114,7 +115,8 @@ describe('SuggestedFixCollection', () => {
         const { diagnostics } = codeAction;
 
         if (!diagnostics) {
-            return assert.fail('Diagnostics unexpectedly missing');
+            assert.fail('Diagnostics unexpectedly missing');
+            return;
         }
 
         // We should be associated with both diagnostics

editors/code/src/test/utils/diagnotics/rust.test.ts

@@ -120,7 +120,8 @@ describe('mapRustDiagnosticToVsCode', () => {
         // One related information for the original definition
         const relatedInformation = diagnostic.relatedInformation;
         if (!relatedInformation) {
-            return assert.fail('Related information unexpectedly undefined');
+            assert.fail('Related information unexpectedly undefined');
+            return;
         }
         assert.strictEqual(relatedInformation.length, 1);
         const [related] = relatedInformation;
@@ -154,7 +155,8 @@ describe('mapRustDiagnosticToVsCode', () => {
         // One related information for the lint definition
         const relatedInformation = diagnostic.relatedInformation;
         if (!relatedInformation) {
-            return assert.fail('Related information unexpectedly undefined');
+            assert.fail('Related information unexpectedly undefined');
+            return;
         }
         assert.strictEqual(relatedInformation.length, 1);
         const [related] = relatedInformation;

editors/code/tsconfig.json

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