Update eslint config to latest

This introduces two new flags `skip-stale-issue-message` and `skip-stale-pr-message` which would skip the message addition if these are set to true.

They are backward compatible as empty `stale-issue-message` or `stale-pr-message` will take precedence over them

.eslintrc.json

@@ -1,6 +1,6 @@
 {
     "plugins": ["jest", "@typescript-eslint"],
-    "extends": ["plugin:github/es6"],
+    "extends": ["plugin:github/recommended"],
     "parser": "@typescript-eslint/parser",
     "parserOptions": {
       "ecmaVersion": 9,
@@ -16,11 +16,10 @@
       "@typescript-eslint/no-require-imports": "error",
       "@typescript-eslint/array-type": "error",
       "@typescript-eslint/await-thenable": "error",
-      "@typescript-eslint/ban-ts-ignore": "error",
+      "@typescript-eslint/ban-ts-comment": "error",
       "camelcase": "off",
-      "@typescript-eslint/class-name-casing": "error",
+      "@typescript-eslint/consistent-type-assertions": "error",
       "@typescript-eslint/func-call-spacing": ["error", "never"],
-      "@typescript-eslint/generic-type-naming": ["error", "^[A-Z][A-Za-z]*$"],
       "@typescript-eslint/no-array-constructor": "error",
       "@typescript-eslint/no-empty-interface": "error",
       "@typescript-eslint/no-explicit-any": "off",
@@ -30,7 +29,6 @@
       "@typescript-eslint/no-misused-new": "error",
       "@typescript-eslint/no-namespace": "error",
       "@typescript-eslint/no-non-null-assertion": "warn",
-      "@typescript-eslint/no-object-literal-type-assertion": "error",
       "@typescript-eslint/no-unnecessary-qualifier": "error",
       "@typescript-eslint/no-unnecessary-type-assertion": "error",
       "@typescript-eslint/no-useless-constructor": "error",
@@ -38,7 +36,6 @@
       "@typescript-eslint/prefer-for-of": "warn",
       "@typescript-eslint/prefer-function-type": "warn",
       "@typescript-eslint/prefer-includes": "error",
-      "@typescript-eslint/prefer-interface": "error",
       "@typescript-eslint/prefer-string-starts-ends-with": "error",
       "@typescript-eslint/promise-function-async": "error",
       "@typescript-eslint/require-array-sort-compare": "error",

.github/dependabot.yml

@@ -0,0 +1,9 @@
+version: 2
+updates:
+  # Enable version updates for npm
+  - package-ecosystem: 'npm'
+    # Look for `package.json` and `lock` files in the `root` directory
+    directory: '/'
+    # Check the npm registry for updates every day (weekdays)
+    schedule:
+      interval: 'daily'

.github/workflows/test.yml

@@ -3,7 +3,7 @@ on: # rebuild any PRs and main branch changes
   pull_request:
   push:
     branches:
-      - master
+      - main
       - 'releases/*'
 
 jobs:

__tests__/main.test.ts

@@ -31,10 +31,12 @@ function generateIssue(
   };
 }
 
-const DefaultProcessorOptions: IssueProcessorOptions = {
+const DefaultProcessorOptions: IssueProcessorOptions = Object.freeze({
   repoToken: 'none',
   staleIssueMessage: 'This issue is stale',
   stalePrMessage: 'This PR is stale',
+  closeIssueMessage: 'This issue is being closed',
+  closePrMessage: 'This PR is being closed',
   daysBeforeStale: 1,
   daysBeforeClose: 30,
   staleIssueLabel: 'Stale',
@@ -44,8 +46,11 @@ const DefaultProcessorOptions: IssueProcessorOptions = {
   onlyLabels: '',
   operationsPerRun: 100,
   debugOnly: true,
-  removeStaleWhenUpdated: false
-};
+  removeStaleWhenUpdated: false,
+  ascending: false,
+  skipStaleIssueMessage: false,
+  skipStalePrMessage: false
+});
 
 test('empty issue list results in 1 operation', async () => {
   const processor = new IssueProcessor(
@@ -62,11 +67,36 @@ test('empty issue list results in 1 operation', async () => {
   expect(operationsLeft).toEqual(99);
 });
 
-test('processing an issue with no label will make it stale and close it, if it is old enough', async () => {
+test('processing an issue with no label will make it stale and close it, if it is old enough only if days-before-close is set to 0', async () => {
   const TestIssueList: Issue[] = [
     generateIssue(1, 'An issue with no label', '2020-01-01T17:00:00Z')
   ];
 
+  const opts = {...DefaultProcessorOptions};
+  opts.daysBeforeClose = 0;
+
+  const processor = new IssueProcessor(
+    opts,
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+
+  // process our fake issue list
+  await processor.processIssues(1);
+
+  expect(processor.staleIssues.length).toEqual(1);
+  expect(processor.closedIssues.length).toEqual(1);
+});
+
+test('processing an issue with no label will make it stale and not close it if days-before-close is set to > 0', async () => {
+  const TestIssueList: Issue[] = [
+    generateIssue(1, 'An issue with no label', '2020-01-01T17:00:00Z')
+  ];
+
+  const opts = {...DefaultProcessorOptions};
+  opts.daysBeforeClose = 15;
+
   const processor = new IssueProcessor(
     DefaultProcessorOptions,
     async p => (p == 1 ? TestIssueList : []),
@@ -78,7 +108,32 @@ test('processing an issue with no label will make it stale and close it, if it i
   await processor.processIssues(1);
 
   expect(processor.staleIssues.length).toEqual(1);
-  expect(processor.closedIssues.length).toEqual(1);
+  expect(processor.closedIssues.length).toEqual(0);
+});
+
+test('processing an issue with no label will not make it stale if days-before-stale is set to -1', async () => {
+  const TestIssueList: Issue[] = [
+    generateIssue(1, 'An issue with no label', '2020-01-01T17:00:00Z')
+  ];
+
+  const opts = {
+    ...DefaultProcessorOptions,
+    staleIssueMessage: '',
+    daysBeforeStale: -1
+  };
+
+  const processor = new IssueProcessor(
+    opts,
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+
+  // process our fake issue list
+  await processor.processIssues(1);
+
+  expect(processor.staleIssues.length).toEqual(0);
+  expect(processor.closedIssues.length).toEqual(0);
 });
 
 test('processing an issue with no label will make it stale but not close it', async () => {
@@ -155,6 +210,60 @@ test('processing a stale PR will close it', async () => {
   expect(processor.closedIssues.length).toEqual(1);
 });
 
+test('processing a stale issue will close it even if configured not to mark as stale', async () => {
+  const TestIssueList: Issue[] = [
+    generateIssue(1, 'An issue with no label', '2020-01-01T17:00:00Z', false, [
+      'Stale'
+    ])
+  ];
+
+  const opts = {
+    ...DefaultProcessorOptions,
+    daysBeforeStale: -1,
+    staleIssueMessage: ''
+  };
+
+  const processor = new IssueProcessor(
+    opts,
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+
+  // process our fake issue list
+  await processor.processIssues(1);
+
+  expect(processor.staleIssues.length).toEqual(0);
+  expect(processor.closedIssues.length).toEqual(1);
+});
+
+test('processing a stale PR will close it even if configured not to mark as stale', async () => {
+  const TestIssueList: Issue[] = [
+    generateIssue(1, 'An issue with no label', '2020-01-01T17:00:00Z', true, [
+      'Stale'
+    ])
+  ];
+
+  const opts = {
+    ...DefaultProcessorOptions,
+    daysBeforeStale: -1,
+    stalePrMessage: ''
+  };
+
+  const processor = new IssueProcessor(
+    opts,
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+
+  // process our fake issue list
+  await processor.processIssues(1);
+
+  expect(processor.staleIssues.length).toEqual(0);
+  expect(processor.closedIssues.length).toEqual(1);
+});
+
 test('closed issues will not be marked stale', async () => {
   const TestIssueList: Issue[] = [
     generateIssue(
@@ -489,7 +598,7 @@ test('stale label should be removed if a comment was added to a stale issue', as
     )
   ];
 
-  const opts = DefaultProcessorOptions;
+  const opts = {...DefaultProcessorOptions};
   opts.removeStaleWhenUpdated = true;
 
   const processor = new IssueProcessor(
@@ -519,7 +628,7 @@ test('stale label should not be removed if a comment was added by the bot (and t
     )
   ];
 
-  const opts = DefaultProcessorOptions;
+  const opts = {...DefaultProcessorOptions};
   opts.removeStaleWhenUpdated = true;
 
   const processor = new IssueProcessor(
@@ -549,7 +658,7 @@ test('stale issues should not be closed until after the closed number of days',
     )
   ];
 
-  const opts = DefaultProcessorOptions;
+  const opts = {...DefaultProcessorOptions};
   opts.daysBeforeStale = 5; // stale after 5 days
   opts.daysBeforeClose = 1; // closes after 6 days
 
@@ -581,7 +690,7 @@ test('stale issues should be closed if the closed nubmer of days (additive) is a
     )
   ];
 
-  const opts = DefaultProcessorOptions;
+  const opts = {...DefaultProcessorOptions};
   opts.daysBeforeStale = 5; // stale after 5 days
   opts.daysBeforeClose = 1; // closes after 6 days
 
@@ -612,7 +721,7 @@ test('stale issues should not be closed until after the closed number of days (l
     )
   ];
 
-  const opts = DefaultProcessorOptions;
+  const opts = {...DefaultProcessorOptions};
   opts.daysBeforeStale = 5; // stale after 5 days
   opts.daysBeforeClose = 20; // closes after 25 days
 
@@ -630,3 +739,157 @@ test('stale issues should not be closed until after the closed number of days (l
   expect(processor.removedLabelIssues.length).toEqual(0);
   expect(processor.staleIssues.length).toEqual(1);
 });
+
+test('skips stale message on issues when skip-stale-issue-message is set', async () => {
+  let lastUpdate = new Date();
+  lastUpdate.setDate(lastUpdate.getDate() - 10);
+  const TestIssueList: Issue[] = [
+    generateIssue(
+      1,
+      'An issue that should be marked stale but not closed',
+      lastUpdate.toString(),
+      false
+    )
+  ];
+
+  const opts = {...DefaultProcessorOptions};
+  opts.daysBeforeStale = 5; // stale after 5 days
+  opts.daysBeforeClose = 20; // closes after 25 days
+  opts.skipStaleIssueMessage = true;
+
+  const processor = new IssueProcessor(
+    opts,
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+
+  // for sake of testing, mocking private function
+  const markSpy = jest.spyOn(processor as any, 'markStale');
+
+  await processor.processIssues(1);
+
+  // issue should be staled
+  expect(processor.closedIssues.length).toEqual(0);
+  expect(processor.removedLabelIssues.length).toEqual(0);
+  expect(processor.staleIssues.length).toEqual(1);
+
+  // comment should not be created
+  expect(markSpy).toHaveBeenCalledWith(
+    TestIssueList[0],
+    opts.staleIssueMessage,
+    opts.staleIssueLabel,
+    // this option is skipMessage
+    true
+  );
+});
+
+test('skips stale message on prs when skip-stale-pr-message is set', async () => {
+  let lastUpdate = new Date();
+  lastUpdate.setDate(lastUpdate.getDate() - 10);
+  const TestIssueList: Issue[] = [
+    generateIssue(
+      1,
+      'An issue that should be marked stale but not closed',
+      lastUpdate.toString(),
+      true
+    )
+  ];
+
+  const opts = {...DefaultProcessorOptions};
+  opts.daysBeforeStale = 5; // stale after 5 days
+  opts.daysBeforeClose = 20; // closes after 25 days
+  opts.skipStalePrMessage = true;
+
+  const processor = new IssueProcessor(
+    opts,
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+
+  // for sake of testing, mocking private function
+  const markSpy = jest.spyOn(processor as any, 'markStale');
+
+  await processor.processIssues(1);
+
+  // issue should be staled
+  expect(processor.closedIssues.length).toEqual(0);
+  expect(processor.removedLabelIssues.length).toEqual(0);
+  expect(processor.staleIssues.length).toEqual(1);
+
+  // comment should not be created
+  expect(markSpy).toHaveBeenCalledWith(
+    TestIssueList[0],
+    opts.stalePrMessage,
+    opts.stalePrLabel,
+    // this option is skipMessage
+    true
+  );
+});
+
+test('not providing state takes precedence over skipStaleIssueMessage', async () => {
+  let lastUpdate = new Date();
+  lastUpdate.setDate(lastUpdate.getDate() - 10);
+  const TestIssueList: Issue[] = [
+    generateIssue(
+      1,
+      'An issue that should be marked stale but not closed',
+      lastUpdate.toString(),
+      false
+    )
+  ];
+
+  const opts = {...DefaultProcessorOptions};
+  opts.daysBeforeStale = 5; // stale after 5 days
+  opts.daysBeforeClose = 20; // closes after 25 days
+  opts.skipStalePrMessage = true;
+  opts.staleIssueMessage = '';
+
+  const processor = new IssueProcessor(
+    opts,
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+
+  await processor.processIssues(1);
+
+  // issue should be staled
+  expect(processor.closedIssues.length).toEqual(0);
+  expect(processor.removedLabelIssues.length).toEqual(0);
+  expect(processor.staleIssues.length).toEqual(0);
+});
+
+test('not providing stalePrMessage takes precedence over skipStalePrMessage', async () => {
+  let lastUpdate = new Date();
+  lastUpdate.setDate(lastUpdate.getDate() - 10);
+  const TestIssueList: Issue[] = [
+    generateIssue(
+      1,
+      'An issue that should be marked stale but not closed',
+      lastUpdate.toString(),
+      true
+    )
+  ];
+
+  const opts = {...DefaultProcessorOptions};
+  opts.daysBeforeStale = 5; // stale after 5 days
+  opts.daysBeforeClose = 20; // closes after 25 days
+  opts.skipStalePrMessage = true;
+  opts.stalePrMessage = '';
+
+  const processor = new IssueProcessor(
+    opts,
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+
+  await processor.processIssues(1);
+
+  // issue should be staled
+  expect(processor.closedIssues.length).toEqual(0);
+  expect(processor.removedLabelIssues.length).toEqual(0);
+  expect(processor.staleIssues.length).toEqual(0);
+});

action.yml

@@ -9,8 +9,12 @@ inputs:
     description: 'The message to post on the issue when tagging it. If none provided, will not mark issues stale.'
   stale-pr-message:
     description: 'The message to post on the pr when tagging it. If none provided, will not mark pull requests stale.'
+  close-issue-message:
+    description: 'The message to post on the issue when closing it. If none provided, will not comment when closing an issue.'
+  close-pr-message:
+    description: 'The message to post on the pr when closing it. If none provided, will not comment when closing a pull requests.'
   days-before-stale:
-    description: 'The number of days old an issue can be before marking it stale.'
+    description: 'The number of days old an issue can be before marking it stale. Set to -1 to never mark issues or pull requests as stale automatically.'
     default: 60
   days-before-close:
     description: 'The number of days to wait to close an issue or pull request after it being marked stale. Set to -1 to never close stale issues.'
@@ -39,6 +43,15 @@ inputs:
   debug-only:
     description: 'Run the processor in debug mode without actually performing any operations on live issues.'
     default: false
+  ascending:
+    description: 'The order to get issues or pull requests. Defaults to false, which is descending'
+    default: false
+  skip-stale-pr-message:
+    description: 'Skip adding stale message when marking a pull request as stale.'
+    default: false
+  skip-stale-issue-message:
+    description: 'Skip adding stale message when marking an issue as stale.'
+    default: false
 runs:
   using: 'node12'
   main: 'dist/index.js'

package.json

@@ -28,22 +28,22 @@
     "@actions/core": "^1.2.4",
     "@actions/github": "^2.2.0",
     "@octokit/rest": "^16.43.1",
-    "semver": "^6.1.1"
+    "semver": "^7.3.2"
   },
   "devDependencies": {
-    "@types/semver": "^6.0.0",
-    "@types/jest": "^24.0.23",
-    "@types/node": "^12.7.12",
-    "@typescript-eslint/parser": "^2.8.0",
+    "@types/semver": "^7.3.1",
+    "@types/jest": "^26.0.5",
+    "@types/node": "^14.0.25",
+    "@typescript-eslint/parser": "^3.7.0",
     "@zeit/ncc": "^0.20.5",
     "eslint": "^5.16.0",
-    "eslint-plugin-github": "^2.0.0",
-    "eslint-plugin-jest": "^22.21.0",
+    "eslint-plugin-github": "^4.0.1",
+    "eslint-plugin-jest": "^23.18.0",
     "jest": "^24.9.0",
-    "jest-circus": "^24.9.0",
+    "jest-circus": "^26.1.0",
     "js-yaml": "^3.13.1",
     "prettier": "^1.19.1",
     "ts-jest": "^24.2.0",
-    "typescript": "^3.6.4"
+    "typescript": "^3.9.7"
   }
 }

src/IssueProcessor.ts

@@ -37,6 +37,8 @@ export interface IssueProcessorOptions {
   repoToken: string;
   staleIssueMessage: string;
   stalePrMessage: string;
+  closeIssueMessage: string;
+  closePrMessage: string;
   daysBeforeStale: number;
   daysBeforeClose: number;
   staleIssueLabel: string;
@@ -47,6 +49,9 @@ export interface IssueProcessorOptions {
   operationsPerRun: number;
   removeStaleWhenUpdated: boolean;
   debugOnly: boolean;
+  ascending: boolean;
+  skipStaleIssueMessage: boolean;
+  skipStalePrMessage: boolean;
 }
 
 /***
@@ -55,7 +60,7 @@ export interface IssueProcessorOptions {
 export class IssueProcessor {
   readonly client: github.GitHub;
   readonly options: IssueProcessorOptions;
-  private operationsLeft: number = 0;
+  private operationsLeft = 0;
 
   readonly staleIssues: Issue[] = [];
   readonly closedIssues: Issue[] = [];
@@ -96,7 +101,7 @@ export class IssueProcessor {
     }
   }
 
-  async processIssues(page: number = 1): Promise<number> {
+  async processIssues(page = 1): Promise<number> {
     // get the next batch of issues
     const issues: Issue[] = await this.getIssues(page);
     this.operationsLeft -= 1;
@@ -117,15 +122,22 @@ export class IssueProcessor {
       const staleMessage: string = isPr
         ? this.options.stalePrMessage
         : this.options.staleIssueMessage;
+      const closeMessage: string = isPr
+        ? this.options.closePrMessage
+        : this.options.closeIssueMessage;
       const staleLabel: string = isPr
         ? this.options.stalePrLabel
         : this.options.staleIssueLabel;
       const exemptLabels = IssueProcessor.parseCommaSeparatedString(
         isPr ? this.options.exemptPrLabels : this.options.exemptIssueLabels
       );
+      const skipMessage = isPr
+        ? this.options.skipStalePrMessage
+        : this.options.skipStaleIssueMessage;
       const issueType: string = isPr ? 'pr' : 'issue';
+      const shouldMarkWhenStale = this.options.daysBeforeStale > -1;
 
-      if (!staleMessage) {
+      if (!staleMessage && shouldMarkWhenStale) {
         core.info(`Skipping ${issueType} due to empty stale message`);
         continue;
       }
@@ -159,18 +171,23 @@ export class IssueProcessor {
       );
 
       // determine if this issue needs to be marked stale first
-      if (!isStale && shouldBeStale) {
+      if (!isStale && shouldBeStale && shouldMarkWhenStale) {
         core.info(
           `Marking ${issueType} stale because it was last updated on ${issue.updated_at} and it does not have a stale label`
         );
-        await this.markStale(issue, staleMessage, staleLabel);
+        await this.markStale(issue, staleMessage, staleLabel, skipMessage);
         isStale = true; // this issue is now considered stale
       }
 
       // process the issue if it was marked stale
       if (isStale) {
         core.info(`Found a stale ${issueType}`);
-        await this.processStaleIssue(issue, issueType, staleLabel);
+        await this.processStaleIssue(
+          issue,
+          issueType,
+          staleLabel,
+          closeMessage
+        );
       }
     }
 
@@ -187,7 +204,8 @@ export class IssueProcessor {
   private async processStaleIssue(
     issue: Issue,
     issueType: string,
-    staleLabel: string
+    staleLabel: string,
+    closeMessage?: string
   ) {
     const markedStaleOn: string =
       (await this.getLabelCreationDate(issue, staleLabel)) || issue.updated_at;
@@ -203,7 +221,7 @@ export class IssueProcessor {
 
     const issueHasUpdate: boolean = IssueProcessor.updatedSince(
       issue.updated_at,
-      this.options.daysBeforeClose + (this.options.daysBeforeStale ?? 0)
+      this.options.daysBeforeClose
     );
     core.info(`Issue #${issue.number} has been updated: ${issueHasUpdate}`);
 
@@ -224,7 +242,7 @@ export class IssueProcessor {
       core.info(
         `Closing ${issueType} because it was last updated on ${issue.updated_at}`
       );
-      await this.closeIssue(issue);
+      await this.closeIssue(issue, closeMessage);
     } else {
       core.info(
         `Stale ${issueType} is not old enough to close yet (hasComments? ${issueHasComments}, hasUpdate? ${issueHasUpdate}`
@@ -268,35 +286,47 @@ export class IssueProcessor {
     sinceDate: string
   ): Promise<Comment[]> {
     // find any comments since date on the given issue
-    const comments = await this.client.issues.listComments({
-      owner: github.context.repo.owner,
-      repo: github.context.repo.repo,
-      issue_number: issueNumber,
-      since: sinceDate
-    });
-
-    return comments.data;
+    try {
+      const comments = await this.client.issues.listComments({
+        owner: github.context.repo.owner,
+        repo: github.context.repo.repo,
+        issue_number: issueNumber,
+        since: sinceDate
+      });
+      return comments.data;
+    } catch (error) {
+      core.error(`List issue comments error: ${error.message}`);
+      return Promise.resolve([]);
+    }
   }
 
   // grab issues from github in baches of 100
   private async getIssues(page: number): Promise<Issue[]> {
-    const issueResult: OctoKitIssueList = await this.client.issues.listForRepo({
-      owner: github.context.repo.owner,
-      repo: github.context.repo.repo,
-      state: 'open',
-      labels: this.options.onlyLabels,
-      per_page: 100,
-      page
-    });
-
-    return issueResult.data;
+    try {
+      const issueResult: OctoKitIssueList = await this.client.issues.listForRepo(
+        {
+          owner: github.context.repo.owner,
+          repo: github.context.repo.repo,
+          state: 'open',
+          labels: this.options.onlyLabels,
+          per_page: 100,
+          direction: this.options.ascending ? 'asc' : 'desc',
+          page
+        }
+      );
+      return issueResult.data;
+    } catch (error) {
+      core.error(`Get issues for repo error: ${error.message}`);
+      return Promise.resolve([]);
+    }
   }
 
   // Mark an issue as stale with a comment and a label
   private async markStale(
     issue: Issue,
     staleMessage: string,
-    staleLabel: string
+    staleLabel: string,
+    skipMessage: boolean
   ): Promise<void> {
     core.info(`Marking issue #${issue.number} - ${issue.title} as stale`);
 
@@ -304,27 +334,42 @@ export class IssueProcessor {
 
     this.operationsLeft -= 2;
 
+    // if the issue is being marked stale, the updated date should be changed to right now
+    // so that close calculations work correctly
+    const newUpdatedAtDate: Date = new Date();
+    issue.updated_at = newUpdatedAtDate.toString();
+
     if (this.options.debugOnly) {
       return;
     }
 
-    await this.client.issues.createComment({
-      owner: github.context.repo.owner,
-      repo: github.context.repo.repo,
-      issue_number: issue.number,
-      body: staleMessage
-    });
+    if (!skipMessage) {
+      try {
+        await this.client.issues.createComment({
+          owner: github.context.repo.owner,
+          repo: github.context.repo.repo,
+          issue_number: issue.number,
+          body: staleMessage
+        });
+      } catch (error) {
+        core.error(`Error creating a comment: ${error.message}`);
+      }
+    }
 
-    await this.client.issues.addLabels({
-      owner: github.context.repo.owner,
-      repo: github.context.repo.repo,
-      issue_number: issue.number,
-      labels: [staleLabel]
-    });
+    try {
+      await this.client.issues.addLabels({
+        owner: github.context.repo.owner,
+        repo: github.context.repo.repo,
+        issue_number: issue.number,
+        labels: [staleLabel]
+      });
+    } catch (error) {
+      core.error(`Error adding a label: ${error.message}`);
+    }
   }
 
   // Close an issue based on staleness
-  private async closeIssue(issue: Issue): Promise<void> {
+  private async closeIssue(issue: Issue, closeMessage?: string): Promise<void> {
     core.info(
       `Closing issue #${issue.number} - ${issue.title} for being stale`
     );
@@ -337,12 +382,29 @@ export class IssueProcessor {
       return;
     }
 
-    await this.client.issues.update({
-      owner: github.context.repo.owner,
-      repo: github.context.repo.repo,
-      issue_number: issue.number,
-      state: 'closed'
-    });
+    if (closeMessage) {
+      try {
+        await this.client.issues.createComment({
+          owner: github.context.repo.owner,
+          repo: github.context.repo.repo,
+          issue_number: issue.number,
+          body: closeMessage
+        });
+      } catch (error) {
+        core.error(`Error creating a comment: ${error.message}`);
+      }
+    }
+
+    try {
+      await this.client.issues.update({
+        owner: github.context.repo.owner,
+        repo: github.context.repo.repo,
+        issue_number: issue.number,
+        state: 'closed'
+      });
+    } catch (error) {
+      core.error(`Error updating an issue: ${error.message}`);
+    }
   }
 
   // Remove a label from an issue
@@ -359,12 +421,16 @@ export class IssueProcessor {
       return;
     }
 
-    await this.client.issues.removeLabel({
-      owner: github.context.repo.owner,
-      repo: github.context.repo.repo,
-      issue_number: issue.number,
-      name: encodeURIComponent(label) // A label can have a "?" in the name
-    });
+    try {
+      await this.client.issues.removeLabel({
+        owner: github.context.repo.owner,
+        repo: github.context.repo.repo,
+        issue_number: issue.number,
+        name: encodeURIComponent(label) // A label can have a "?" in the name
+      });
+    } catch (error) {
+      core.error(`Error removing a label: ${error.message}`);
+    }
   }
 
   // returns the creation date of a given label on an issue (or nothing if no label existed)
@@ -410,7 +476,7 @@ export class IssueProcessor {
     const millisSinceLastUpdated =
       new Date().getTime() - new Date(timestamp).getTime();
 
-    return millisSinceLastUpdated < daysInMillis;
+    return millisSinceLastUpdated <= daysInMillis;
   }
 
   private static parseCommaSeparatedString(s: string): string[] {

src/main.ts

@@ -18,6 +18,8 @@ function getAndValidateArgs(): IssueProcessorOptions {
     repoToken: core.getInput('repo-token', {required: true}),
     staleIssueMessage: core.getInput('stale-issue-message'),
     stalePrMessage: core.getInput('stale-pr-message'),
+    closeIssueMessage: core.getInput('close-issue-message'),
+    closePrMessage: core.getInput('close-pr-message'),
     daysBeforeStale: parseInt(
       core.getInput('days-before-stale', {required: true})
     ),
@@ -35,7 +37,10 @@ function getAndValidateArgs(): IssueProcessorOptions {
     removeStaleWhenUpdated: !(
       core.getInput('remove-stale-when-updated') === 'false'
     ),
-    debugOnly: core.getInput('debug-only') === 'true'
+    debugOnly: core.getInput('debug-only') === 'true',
+    ascending: core.getInput('ascending') === 'true',
+    skipStalePrMessage: core.getInput('skip-stale-pr-message') === 'true',
+    skipStaleIssueMessage: core.getInput('skip-stale-issue-message') === 'true'
   };
 
   for (const numberInput of [