feat(ext): add cancellation support for commit message generation

package-lock.json

@@ -1,12 +1,12 @@
 {
     "name": "ai-commit-ext",
-    "version": "1.0.0",
+    "version": "1.3.0",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "ai-commit-ext",
-            "version": "1.0.0",
+            "version": "1.3.0",
             "devDependencies": {
                 "@types/node": "^25.5.2",
                 "@types/vscode": "^1.110.0",

package.json

@@ -2,7 +2,7 @@
     "name": "ai-commit-ext",
     "displayName": "AI Commit Ext",
     "description": "Generate commit messages using OpenCode AI",
-    "version": "1.2.3",
+    "version": "1.3.0",
     "publisher": "local",
     "engines": {
         "vscode": "^1.110.0"

src/extension.ts

@@ -101,11 +101,11 @@ async function handleGenerateCommitMessage(): Promise<void> {
         const commitMessage = await vscode.window.withProgress(
             {
                 location: vscode.ProgressLocation.Notification,
-                cancellable: false,
+                cancellable: true,
                 title: userSuggestion ? "Improving commit message..." : "Generating commit message...",
             },
-            async () => {
-                return await generateCommitMessage({ userSuggestion: userSuggestion || undefined });
+            async (_progress, token) => {
+                return await generateCommitMessage({ userSuggestion: userSuggestion || undefined, cancellationToken: token });
             },
         );
 

src/opencodeService.ts

@@ -6,6 +6,7 @@ import { output } from "./extension";
 export interface GenerateOptions {
     model?: string;
     userSuggestion?: string;
+    cancellationToken?: vscode.CancellationToken;
 }
 
 let opencodePathCache: string | null = null;
@@ -115,6 +116,21 @@ Generate a concise Conventional Commit message for these changes:`;
             },
         });
 
+        let settled = false;
+        const timeout = setTimeout(() => {
+            proc.kill();
+            reject(new Error("OpenCode timed out"));
+        }, 120000);
+
+        const cancelDisposable = options.cancellationToken?.onCancellationRequested(() => {
+            if (!settled) {
+                settled = true;
+                clearTimeout(timeout);
+                proc.kill();
+                reject(new Error("Cancelled"));
+            }
+        });
+
         let stdout = "";
         let stderr = "";
 
@@ -133,6 +149,11 @@ Generate a concise Conventional Commit message for these changes:`;
         });
 
         proc.on("close", (code: number | null) => {
+            if (settled) return;
+            settled = true;
+            clearTimeout(timeout);
+            cancelDisposable?.dispose();
+
             if (code !== 0) {
                 reject(
                     new Error(`OpenCode exited with code ${code}: ${stderr}`),
@@ -146,13 +167,12 @@ Generate a concise Conventional Commit message for these changes:`;
         });
 
         proc.on("error", (err: Error) => {
+            if (settled) return;
+            settled = true;
+            clearTimeout(timeout);
+            cancelDisposable?.dispose();
             reject(new Error(`Failed to run opencode: ${err.message}`));
         });
-
-        setTimeout(() => {
-            proc.kill();
-            reject(new Error("OpenCode timed out"));
-        }, 120000);
     });
 }