feat: enhance IssuesProcessor to return label creation date and events, add stale label event checks

__tests__/classes/issues-processor-mock.ts

@@ -4,6 +4,7 @@ import {IComment} from '../../src/interfaces/comment';
 import {IIssuesProcessorOptions} from '../../src/interfaces/issues-processor-options';
 import {IPullRequest} from '../../src/interfaces/pull-request';
 import {IState} from '../../src/interfaces/state/state';
+import {IIssueEvent} from '../../src/interfaces/issue-event';
 
 export class IssuesProcessorMock extends IssuesProcessor {
   constructor(
@@ -17,7 +18,15 @@ export class IssuesProcessorMock extends IssuesProcessor {
     getLabelCreationDate?: (
       issue: Issue,
       label: string
-    ) => Promise<string | undefined>,
+    ) =>
+      | Promise<string | undefined>
+      | Promise<{creationDate?: string; events: IIssueEvent[]}>,
+    hasOnlyStaleLabelingEventsSince?: (
+      issue: Issue,
+      sinceDate: string,
+      staleLabel: string,
+      events: IIssueEvent[]
+    ) => Promise<boolean>,
     getPullRequest?: (issue: Issue) => Promise<IPullRequest | undefined | void>
   ) {
     super(options, state);
@@ -31,7 +40,21 @@ export class IssuesProcessorMock extends IssuesProcessor {
     }
 
     if (getLabelCreationDate) {
-      this.getLabelCreationDate = getLabelCreationDate;
+      this.getLabelCreationDate = async (
+        issue: Issue,
+        label: string
+      ): Promise<{creationDate?: string; events: IIssueEvent[]}> => {
+        const result = await getLabelCreationDate(issue, label);
+        if (typeof result === 'string' || typeof result === 'undefined') {
+          return {creationDate: result, events: []};
+        }
+
+        return result;
+      };
+    }
+
+    if (hasOnlyStaleLabelingEventsSince) {
+      this.hasOnlyStaleLabelingEventsSince = hasOnlyStaleLabelingEventsSince;
     }
 
     if (getPullRequest) {

__tests__/exempt-draft-pr.spec.ts

@@ -129,6 +129,7 @@ class IssuesProcessorBuilder {
       async p => (p === 1 ? this._issues : []),
       async () => [],
       async () => new Date().toDateString(),
+      undefined,
       async (): Promise<IPullRequest> => {
         return Promise.resolve({
           number: 0,

__tests__/remove-stale-when-updated-label-events.spec.ts

@@ -0,0 +1,288 @@
+import {Issue} from '../src/classes/issue';
+import {IIssuesProcessorOptions} from '../src/interfaces/issues-processor-options';
+import {IssuesProcessorMock} from './classes/issues-processor-mock';
+import {DefaultProcessorOptions} from './constants/default-processor-options';
+import {generateIssue} from './functions/generate-issue';
+import {alwaysFalseStateMock} from './classes/state-mock';
+import {IState} from '../src/interfaces/state/state';
+import {IIssueEvent} from '../src/interfaces/issue-event';
+import {IssuesProcessor} from '../src/classes/issues-processor';
+
+describe('remove-stale-when-updated with stale label events', (): void => {
+  const markedStaleOn = '2025-01-01T00:00:00Z';
+  const updatedAt = '2025-01-01T00:01:00Z';
+
+  let options: IIssuesProcessorOptions;
+
+  beforeEach((): void => {
+    options = {
+      ...DefaultProcessorOptions,
+      removeStaleWhenUpdated: true
+    };
+  });
+
+  const buildIssue = (): Issue =>
+    generateIssue(
+      options,
+      1,
+      'dummy-title',
+      updatedAt,
+      markedStaleOn,
+      false,
+      false,
+      ['Stale']
+    );
+
+  const buildEvents = (): IIssueEvent[] => [
+    {
+      event: 'labeled',
+      created_at: markedStaleOn,
+      label: {name: 'Stale'}
+    }
+  ];
+
+  test('does not remove stale label when only stale label events occurred', async (): Promise<void> => {
+    expect.assertions(1);
+    const issue = buildIssue();
+
+    const processor = new IssuesProcessorMock(
+      options,
+      alwaysFalseStateMock,
+      async p => (p === 1 ? [issue] : []),
+      async () => [],
+      async () => ({creationDate: markedStaleOn, events: buildEvents()}),
+      async () => true
+    );
+
+    await processor.processIssues();
+
+    expect(processor.removedLabelIssues).toHaveLength(0);
+  });
+
+  test('removes stale label when updates are not just stale label events', async (): Promise<void> => {
+    expect.assertions(1);
+    const issue = buildIssue();
+
+    const processor = new IssuesProcessorMock(
+      options,
+      alwaysFalseStateMock,
+      async p => (p === 1 ? [issue] : []),
+      async () => [],
+      async () => ({creationDate: markedStaleOn, events: buildEvents()}),
+      async () => false
+    );
+
+    await processor.processIssues();
+
+    expect(processor.removedLabelIssues).toHaveLength(1);
+  });
+});
+
+class TestIssuesProcessor extends IssuesProcessor {
+  constructor(
+    options: IIssuesProcessorOptions,
+    state: IState,
+    events: IIssueEvent[]
+  ) {
+    super(options, state);
+    const client = {
+      rest: {
+        issues: {
+          listEvents: {
+            endpoint: {
+              merge: () => ({})
+            }
+          }
+        }
+      },
+      paginate: {
+        iterator: async function* () {
+          yield {data: events};
+        }
+      }
+    };
+    (this as any).client = client;
+  }
+
+  async callhasOnlyStaleLabelingEventsSince(
+    issue: Issue,
+    sinceDate: string,
+    staleLabel: string,
+    events: IIssueEvent[]
+  ): Promise<boolean> {
+    return this.hasOnlyStaleLabelingEventsSince(
+      issue,
+      sinceDate,
+      staleLabel,
+      events
+    );
+  }
+}
+
+describe('hasOnlyStaleLabelingEventsSince', (): void => {
+  const staleLabel = 'Stale';
+  const sinceDate = '2025-01-01T00:00:00Z';
+  const originalRepo = process.env.GITHUB_REPOSITORY;
+
+  let options: IIssuesProcessorOptions;
+
+  beforeEach((): void => {
+    process.env.GITHUB_REPOSITORY = 'owner/repo';
+    options = {
+      ...DefaultProcessorOptions,
+      staleIssueLabel: staleLabel,
+      removeStaleWhenUpdated: true
+    };
+  });
+
+  afterEach((): void => {
+    if (originalRepo === undefined) {
+      delete process.env.GITHUB_REPOSITORY;
+    } else {
+      process.env.GITHUB_REPOSITORY = originalRepo;
+    }
+  });
+
+  const buildIssue = (): Issue =>
+    generateIssue(
+      options,
+      1,
+      'dummy-title',
+      '2025-01-01T00:02:00Z',
+      sinceDate,
+      false,
+      false,
+      [staleLabel]
+    );
+
+  test('returns true when only stale label events exist after the since date', async (): Promise<void> => {
+    expect.assertions(1);
+    const issue = buildIssue();
+    const events: IIssueEvent[] = [
+      // Event before the sinceDate should be ignored.
+      {
+        event: 'labeled',
+        created_at: '2024-12-31T23:59:00Z',
+        label: {name: staleLabel}
+      },
+      {
+        event: 'labeled',
+        created_at: '2025-01-01T00:00:10Z',
+        label: {name: staleLabel}
+      }
+    ];
+    const processor = new TestIssuesProcessor(
+      options,
+      alwaysFalseStateMock,
+      events
+    );
+    const result = await processor.callhasOnlyStaleLabelingEventsSince(
+      issue,
+      sinceDate,
+      staleLabel,
+      events
+    );
+
+    expect(result).toBe(true);
+  });
+
+  test('returns false when a non-stale label event exists after the since date', async (): Promise<void> => {
+    expect.assertions(1);
+    const issue = buildIssue();
+    const events: IIssueEvent[] = [
+      {
+        event: 'labeled',
+        created_at: '2025-01-01T00:00:10Z',
+        label: {name: 'other-label'}
+      }
+    ];
+    const processor = new TestIssuesProcessor(
+      options,
+      alwaysFalseStateMock,
+      events
+    );
+    const result = await processor.callhasOnlyStaleLabelingEventsSince(
+      issue,
+      sinceDate,
+      staleLabel,
+      events
+    );
+
+    expect(result).toBe(false);
+  });
+
+  test('returns false when stale label is removed after the since date', async (): Promise<void> => {
+    expect.assertions(1);
+    const issue = buildIssue();
+    const events: IIssueEvent[] = [
+      {
+        event: 'unlabeled',
+        created_at: '2025-01-01T00:00:10Z',
+        label: {name: staleLabel}
+      }
+    ];
+    const processor = new TestIssuesProcessor(
+      options,
+      alwaysFalseStateMock,
+      events
+    );
+    const result = await processor.callhasOnlyStaleLabelingEventsSince(
+      issue,
+      sinceDate,
+      staleLabel,
+      events
+    );
+
+    expect(result).toBe(false);
+  });
+
+  test('returns false when a non-label event exists after the since date', async (): Promise<void> => {
+    expect.assertions(1);
+    const issue = buildIssue();
+    const events: IIssueEvent[] = [
+      {
+        event: 'commented',
+        created_at: '2025-01-01T00:00:10Z',
+        label: {name: staleLabel}
+      }
+    ];
+    const processor = new TestIssuesProcessor(
+      options,
+      alwaysFalseStateMock,
+      events
+    );
+    const result = await processor.callhasOnlyStaleLabelingEventsSince(
+      issue,
+      sinceDate,
+      staleLabel,
+      events
+    );
+
+    expect(result).toBe(false);
+  });
+
+  test('includes events that occur exactly at the since date boundary', async (): Promise<void> => {
+    expect.assertions(1);
+    const issue = buildIssue();
+    const events: IIssueEvent[] = [
+      {
+        event: 'labeled',
+        created_at: sinceDate,
+        label: {name: staleLabel}
+      }
+    ];
+    const processor = new TestIssuesProcessor(
+      options,
+      alwaysFalseStateMock,
+      events
+    );
+    const result = await processor.callhasOnlyStaleLabelingEventsSince(
+      issue,
+      sinceDate,
+      staleLabel,
+      events
+    );
+
+    expect(result).toBe(true);
+  });
+});

dist/index.js

@@ -736,9 +736,35 @@ class IssuesProcessor {
                 (0, clean_label_1.cleanLabel)(event.label.name) === (0, clean_label_1.cleanLabel)(label));
             if (!staleLabeledEvent) {
                 // Must be old rather than labeled
-                return undefined;
+                return { creationDate: undefined, events };
             }
-            return staleLabeledEvent.created_at;
+            return { creationDate: staleLabeledEvent.created_at, events };
+        });
+    }
+    hasOnlyStaleLabelingEventsSince(issue, sinceDate, staleLabel, events) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const issueLogger = new issue_logger_1.IssueLogger(issue);
+            issueLogger.info(`Checking if only stale label added events on $$type since: ${logger_service_1.LoggerService.cyan(sinceDate)}`);
+            if (!sinceDate) {
+                return false;
+            }
+            const sinceTimestamp = new Date(sinceDate).getTime();
+            if (Number.isNaN(sinceTimestamp)) {
+                return false;
+            }
+            const relevantEvents = events.filter(event => {
+                const eventTimestamp = new Date(event.created_at).getTime();
+                return !Number.isNaN(eventTimestamp) && eventTimestamp >= sinceTimestamp;
+            });
+            if (relevantEvents.length === 0) {
+                return false;
+            }
+            return relevantEvents.every(event => {
+                if (event.event !== 'labeled') {
+                    return false;
+                }
+                return (0, clean_label_1.cleanLabel)(event.label.name) === (0, clean_label_1.cleanLabel)(staleLabel);
+            });
         });
     }
     getPullRequest(issue) {
@@ -783,7 +809,8 @@ class IssuesProcessor {
     _processStaleIssue(issue, staleLabel, staleMessage, labelsToAddWhenUnstale, labelsToRemoveWhenUnstale, labelsToRemoveWhenStale, closeMessage, closeLabel) {
         return __awaiter(this, void 0, void 0, function* () {
             const issueLogger = new issue_logger_1.IssueLogger(issue);
-            const markedStaleOn = (yield this.getLabelCreationDate(issue, staleLabel)) || issue.updated_at;
+            const { creationDate, events } = yield this.getLabelCreationDate(issue, staleLabel);
+            const markedStaleOn = creationDate || issue.updated_at;
             issueLogger.info(`$$type marked stale on: ${logger_service_1.LoggerService.cyan(markedStaleOn)}`);
             const issueHasCommentsSinceStale = yield this._hasCommentsSince(issue, markedStaleOn, staleMessage);
             issueLogger.info(`$$type has been commented on: ${logger_service_1.LoggerService.cyan(issueHasCommentsSinceStale)}`);
@@ -805,7 +832,17 @@ class IssuesProcessor {
             }
             // The issue.updated_at and markedStaleOn are not always exactly in sync (they can be off by a second or 2)
             // isDateMoreRecentThan makes sure they are not the same date within a certain tolerance (15 seconds in this case)
-            const issueHasUpdateSinceStale = (0, is_date_more_recent_than_1.isDateMoreRecentThan)(new Date(issue.updated_at), new Date(markedStaleOn), 15);
+            let issueHasUpdateSinceStale = (0, is_date_more_recent_than_1.isDateMoreRecentThan)(new Date(issue.updated_at), new Date(markedStaleOn), 15);
+            // Check if the only update was the stale label being added
+            if (issueHasUpdateSinceStale &&
+                shouldRemoveStaleWhenUpdated &&
+                !issue.markedStaleThisRun) {
+                const onlyStaleLabelAdded = yield this.hasOnlyStaleLabelingEventsSince(issue, markedStaleOn, staleLabel, events);
+                if (onlyStaleLabelAdded) {
+                    issueHasUpdateSinceStale = false;
+                    issueLogger.info(`Ignoring $$type update since only the stale label was added`);
+                }
+            }
             issueLogger.info(`$$type has been updated since it was marked stale: ${logger_service_1.LoggerService.cyan(issueHasUpdateSinceStale)}`);
             // Should we un-stale this issue?
             if (shouldRemoveStaleWhenUpdated &&

src/classes/issues-processor.ts

@@ -608,7 +608,7 @@ export class IssuesProcessor {
   async getLabelCreationDate(
     issue: Issue,
     label: string
-  ): Promise<string | undefined> {
+  ): Promise<{creationDate?: string; events: IIssueEvent[]}> {
     const issueLogger: IssueLogger = new IssueLogger(issue);
 
     issueLogger.info(`Checking for label on this $$type`);
@@ -623,6 +623,7 @@ export class IssuesProcessor {
     });
 
     const events: IIssueEvent[] = await this.client.paginate(options);
+
     const reversedEvents = events.reverse();
 
     const staleLabeledEvent = reversedEvents.find(
@@ -633,10 +634,51 @@ export class IssuesProcessor {
 
     if (!staleLabeledEvent) {
       // Must be old rather than labeled
-      return undefined;
+      return {creationDate: undefined, events};
     }
 
-    return staleLabeledEvent.created_at;
+    return {creationDate: staleLabeledEvent.created_at, events};
+  }
+
+  protected async hasOnlyStaleLabelingEventsSince(
+    issue: Issue,
+    sinceDate: string,
+    staleLabel: string,
+    events: IIssueEvent[]
+  ): Promise<boolean> {
+    const issueLogger: IssueLogger = new IssueLogger(issue);
+
+    issueLogger.info(
+      `Checking if only stale label added events on $$type since: ${LoggerService.cyan(
+        sinceDate
+      )}`
+    );
+
+    if (!sinceDate) {
+      return false;
+    }
+
+    const sinceTimestamp = new Date(sinceDate).getTime();
+    if (Number.isNaN(sinceTimestamp)) {
+      return false;
+    }
+
+    const relevantEvents = events.filter(event => {
+      const eventTimestamp = new Date(event.created_at).getTime();
+      return !Number.isNaN(eventTimestamp) && eventTimestamp >= sinceTimestamp;
+    });
+
+    if (relevantEvents.length === 0) {
+      return false;
+    }
+
+    return relevantEvents.every(event => {
+      if (event.event !== 'labeled') {
+        return false;
+      }
+
+      return cleanLabel(event.label.name) === cleanLabel(staleLabel);
+    });
   }
 
   async getPullRequest(issue: Issue): Promise<IPullRequest | undefined | void> {
@@ -691,8 +733,11 @@ export class IssuesProcessor {
     closeLabel?: string
   ) {
     const issueLogger: IssueLogger = new IssueLogger(issue);
-    const markedStaleOn: string =
+    const {creationDate, events} = await this.getLabelCreationDate(
-      (await this.getLabelCreationDate(issue, staleLabel)) || issue.updated_at;
+      issue,
+      staleLabel
+    );
+    const markedStaleOn: string = creationDate || issue.updated_at;
     issueLogger.info(
       `$$type marked stale on: ${LoggerService.cyan(markedStaleOn)}`
     );
@@ -744,12 +789,33 @@ export class IssuesProcessor {
 
     // The issue.updated_at and markedStaleOn are not always exactly in sync (they can be off by a second or 2)
     // isDateMoreRecentThan makes sure they are not the same date within a certain tolerance (15 seconds in this case)
-    const issueHasUpdateSinceStale = isDateMoreRecentThan(
+    let issueHasUpdateSinceStale = isDateMoreRecentThan(
       new Date(issue.updated_at),
       new Date(markedStaleOn),
       15
     );
 
+    // Check if the only update was the stale label being added
+    if (
+      issueHasUpdateSinceStale &&
+      shouldRemoveStaleWhenUpdated &&
+      !issue.markedStaleThisRun
+    ) {
+      const onlyStaleLabelAdded = await this.hasOnlyStaleLabelingEventsSince(
+        issue,
+        markedStaleOn,
+        staleLabel,
+        events
+      );
+
+      if (onlyStaleLabelAdded) {
+        issueHasUpdateSinceStale = false;
+        issueLogger.info(
+          `Ignoring $$type update since only the stale label was added`
+        );
+      }
+    }
+
     issueLogger.info(
       `$$type has been updated since it was marked stale: ${LoggerService.cyan(
         issueHasUpdateSinceStale