feat(github-actions): skip gemini labeling if an issue already has an area label

Author: josephperrott

github-actions/issue-labeling/lib/issue-labeling.ts

@@ -39,8 +39,17 @@ export class IssueLabeling {
     // Initialize labels and issue data
     await this.initialize();
 
-    const ai = this.getGenerativeAI();
+    // Determine if the issue already has an area label, if it does we can exit early.
+    if (
+      this.issueData?.labels.some((label) =>
+        (typeof label === 'string' ? label : label.name)?.startsWith('area: '),
+      )
+    ) {
+      this.coreService.info('Issue already has an area label. Skipping.');
+      return;
+    }
 
+    const ai = this.getGenerativeAI();
     const prompt = `
 You are a helper for an open source repository.
 Your task is to allow the user to categorize the issue with an "area: " label.

github-actions/issue-labeling/lib/main.spec.ts

@@ -33,6 +33,7 @@ describe('IssueLabeling', () => {
         data: {
           title: 'Tough Issue',
           body: 'Complex Body',
+          labels: [],
         },
       }),
     );
@@ -117,4 +118,19 @@ describe('IssueLabeling', () => {
     expect(issueLabeling).toBeDefined();
     expect(mockCore.getInput).not.toHaveBeenCalled(); // until run is called
   });
+
+  it('should skip labeling when issue already has an area label', async () => {
+    mockGit.issues.get.and.resolveTo({
+      data: {
+        title: 'Tough Issue',
+        body: 'Complex Body',
+        labels: [{name: 'area: core'}],
+      },
+    });
+
+    await issueLabeling.run();
+
+    expect(mockGit.issues.addLabels).not.toHaveBeenCalled();
+    expect(mockCore.info).toHaveBeenCalledWith('Issue already has an area label. Skipping.');
+  });
 });