Update package dependencies

2025-12-30 20:08:19 +00:00 · 2021-01-15 07:50:03 -05:00
47 changed files with 1099 additions and 4470 deletions
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,57 +1,52 @@
 {
-  "plugins": ["jest", "@typescript-eslint"],
+    "plugins": ["jest", "@typescript-eslint"],
-  "extends": ["plugin:github/recommended"],
+    "extends": ["plugin:github/recommended"],
-  "parser": "@typescript-eslint/parser",
+    "parser": "@typescript-eslint/parser",
-  "parserOptions": {
+    "parserOptions": {
-    "ecmaVersion": 9,
+      "ecmaVersion": 9,
-    "sourceType": "module",
+      "sourceType": "module",
-    "project": "./tsconfig.json"
+      "project": "./tsconfig.json"
-  },
+    },
-  "rules": {
+    "rules": {
-    "eslint-comments/no-use": "off",
+      "eslint-comments/no-use": "off",
-    "import/no-namespace": "off",
+      "import/no-namespace": "off",
-    "no-unused-vars": "off",
+      "no-unused-vars": "off",
-    "@typescript-eslint/no-unused-vars": "error",
+      "@typescript-eslint/no-unused-vars": "error",
-    "@typescript-eslint/explicit-member-accessibility": [
+      "@typescript-eslint/explicit-member-accessibility": ["error", {"accessibility": "no-public"}],
-      "error",
+      "@typescript-eslint/no-require-imports": "error",
-      {"accessibility": "no-public"}
+      "@typescript-eslint/array-type": "error",
-    ],
+      "@typescript-eslint/await-thenable": "error",
-    "@typescript-eslint/no-require-imports": "error",
+      "@typescript-eslint/ban-ts-comment": "error",
-    "@typescript-eslint/array-type": "error",
+      "camelcase": "off",
-    "@typescript-eslint/await-thenable": "error",
+      "@typescript-eslint/consistent-type-assertions": "error",
-    "@typescript-eslint/ban-ts-comment": "error",
+      "@typescript-eslint/func-call-spacing": ["error", "never"],
-    "camelcase": "off",
+      "@typescript-eslint/no-array-constructor": "error",
-    "@typescript-eslint/consistent-type-assertions": "error",
+      "@typescript-eslint/no-empty-interface": "error",
-    "@typescript-eslint/func-call-spacing": ["error", "never"],
+      "@typescript-eslint/no-explicit-any": "off",
-    "@typescript-eslint/no-array-constructor": "error",
+      "@typescript-eslint/no-extraneous-class": "error",
-    "@typescript-eslint/no-empty-interface": "error",
+      "@typescript-eslint/no-for-in-array": "error",
-    "@typescript-eslint/no-explicit-any": "off",
+      "@typescript-eslint/no-inferrable-types": "error",
-    "@typescript-eslint/no-extraneous-class": "error",
+      "@typescript-eslint/no-misused-new": "error",
-    "@typescript-eslint/no-for-in-array": "error",
+      "@typescript-eslint/no-namespace": "error",
-    "@typescript-eslint/no-inferrable-types": "error",
+      "@typescript-eslint/no-non-null-assertion": "warn",
-    "@typescript-eslint/no-misused-new": "error",
+      "@typescript-eslint/no-unnecessary-qualifier": "error",
-    "@typescript-eslint/no-namespace": "error",
+      "@typescript-eslint/no-unnecessary-type-assertion": "error",
-    "@typescript-eslint/no-non-null-assertion": "warn",
+      "@typescript-eslint/no-useless-constructor": "error",
-    "@typescript-eslint/no-unnecessary-qualifier": "error",
+      "@typescript-eslint/no-var-requires": "error",
-    "@typescript-eslint/no-unnecessary-type-assertion": "error",
+      "@typescript-eslint/prefer-for-of": "warn",
-    "@typescript-eslint/no-useless-constructor": "error",
+      "@typescript-eslint/prefer-function-type": "warn",
-    "@typescript-eslint/no-var-requires": "error",
+      "@typescript-eslint/prefer-includes": "error",
-    "@typescript-eslint/prefer-for-of": "warn",
+      "@typescript-eslint/prefer-string-starts-ends-with": "error",
-    "@typescript-eslint/prefer-function-type": "warn",
+      "@typescript-eslint/promise-function-async": "error",
-    "@typescript-eslint/prefer-includes": "error",
+      "@typescript-eslint/require-array-sort-compare": "error",
-    "@typescript-eslint/prefer-string-starts-ends-with": "error",
+      "@typescript-eslint/restrict-plus-operands": "error",
-    "@typescript-eslint/promise-function-async": "error",
+      "semi": "off",
-    "@typescript-eslint/require-array-sort-compare": "error",
+      "@typescript-eslint/type-annotation-spacing": "error",
-    "@typescript-eslint/restrict-plus-operands": "error",
+      "@typescript-eslint/unbound-method": "off"
-    "semi": "off",
+    },
-    "@typescript-eslint/type-annotation-spacing": "error",
+    "env": {
-    "@typescript-eslint/unbound-method": "off",
+      "node": true,
-    "no-shadow": "off",
+      "es6": true,
-    "@typescript-eslint/no-shadow": "error"
+      "jest/globals": true
-  },
+    }
-  "env": {
+  }
    "node": true,
    "es6": true,
    "jest/globals": true
  }
 }
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -8,9 +8,8 @@ jobs:
  stale:
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/stale@main
+      - uses: actions/stale@v3
        with:
          stale-issue-message: 'This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 5 days'
          days-before-stale: 30
          days-before-close: 5
          exempt-issue-labels: 'blocked,must,should,keep'
--- a/.licensed.yml
+++ b/.licensed.yml
@@ -11,4 +11,4 @@ allowed:
  - unlicense
 reviewed:
-  npm:
+  npm:
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,7 +0,0 @@
 .idea
 .licenses
 .vscode
 dist
 lib
 node_modules
 package-lock.json
--- a/.prettierrc.json
+++ b/.prettierrc.json
@@ -1,10 +1,11 @@
 {
-  "printWidth": 80,
+    "printWidth": 80,
-  "tabWidth": 2,
+    "tabWidth": 2,
-  "useTabs": false,
+    "useTabs": false,
-  "semi": true,
+    "semi": true,
-  "singleQuote": true,
+    "singleQuote": true,
-  "trailingComma": "none",
+    "trailingComma": "none",
-  "bracketSpacing": false,
+    "bracketSpacing": false,
-  "arrowParens": "avoid"
+    "arrowParens": "avoid",
-}
+    "parser": "typescript"
  }
--- a/README.md
+++ b/README.md
@@ -24,36 +24,28 @@ $ npm test
 ### Arguments
-| Input                       | Description                                                                                  | Usage    |
+|            Input            |                                    Description                                    |  Usage   |
-| --------------------------- | -------------------------------------------------------------------------------------------- | -------- |
+| :-------------------------: | :-------------------------------------------------------------------------------: | :------: |
-| `repo-token`                | PAT(Personal Access Token) for authorizing repository. _Defaults to **${{ github.token }}**_ | Optional |
+|        `repo-token`         |              PAT(Personal Access Token) for authorizing repository.               | Optional |
-| `days-before-stale`         | Idle number of days before marking an issue/pr as stale. _Defaults to **60**_                | Optional |
+|     `days-before-stale`     |  Idle number of days before marking an issue/pr as stale. \*Defaults to **60\***  | Optional |
-| `days-before-issue-stale`   | Idle number of days before marking an issue as stale (override `days-before-stale`).         | Optional |
+|     `days-before-close`     |    Idle number of days before closing an stale issue/pr. \*Defaults to **7\***    | Optional |
-| `days-before-pr-stale`      | Idle number of days before marking an pr as stale (override `days-before-stale`).            | Optional |
+|    `stale-issue-message`    |                        Message to post on the stale issue.                        | Optional |
-| `days-before-close`         | Idle number of days before closing an stale issue/pr. _Defaults to **7**_                    | Optional |
+|     `stale-pr-message`      |                         Message to post on the stale pr.                          | Optional |
-| `days-before-issue-close`   | Idle number of days before closing an stale issue (override `days-before-close`).            | Optional |
+|    `close-issue-message`    |               Message to post on the stale issue while closing it.                | Optional |
-| `days-before-pr-close`      | Idle number of days before closing an stale pr (override `days-before-close`).               | Optional |
+|     `close-pr-message`      |                 Message to post on the stale pr while closing it.                 | Optional |
-| `stale-issue-message`       | Message to post on the stale issue.                                                          | Optional |
+|     `stale-issue-label`     |           Label to apply on the stale issue. \*Defaults to **stale\***            | Optional |
-| `stale-pr-message`          | Message to post on the stale pr.                                                             | Optional |
+|     `close-issue-label`     |                         Label to apply on closing issue.                          | Optional |
-| `close-issue-message`       | Message to post on the stale issue while closing it.                                         | Optional |
+|      `stale-pr-label`       |                          Label to apply on the stale pr.                          | Optional |
-| `close-pr-message`          | Message to post on the stale pr while closing it.                                            | Optional |
+|      `close-pr-label`       |                         Label to apply on the closing pr.                         | Optional |
-| `stale-issue-label`         | Label to apply on the stale issue. _Defaults to **stale**_                                   | Optional |
+|    `exempt-issue-labels`    |              Labels on an issue exempted from being marked as stale.              | Optional |
-| `close-issue-label`         | Label to apply on closing issue.                                                             | Optional |
+|     `exempt-pr-labels`      |               Labels on the pr exempted from being marked as stale.               | Optional |
-| `stale-pr-label`            | Label to apply on the stale pr.                                                              | Optional |
+|        `only-labels`        |                      Only labels checked for stale issue/pr.                      | Optional |
-| `close-pr-label`            | Label to apply on the closing pr.                                                            | Optional |
+|    `operations-per-run`     |           Maximum number of operations per run. \*Defaults to **30\***            | Optional |
-| `exempt-issue-labels`       | Labels on an issue exempted from being marked as stale.                                      | Optional |
+| `remove-stale-when-updated` | Remove stale label from issue/pr on updates or comments. \*Defaults to **true\*** | Optional |
-| `exempt-pr-labels`          | Labels on the pr exempted from being marked as stale.                                        | Optional |
+|        `debug-only`         |                   Dry-run on action. \*Defaults to **false\***                    | Optional |
-| `exempt-milestones`         | Milestones on an issue or a pr exempted from being marked as stale.                          | Optional |
+|         `ascending`         |                 Order to get issues/pr. \*Defaults to **false\***                 | Optional |
-| `exempt-issue-milestones`   | Milestones on an issue exempted from being marked as stale (override `exempt-milestones`).   | Optional |
+| `skip-stale-issue-message`  |        Skip adding stale message on stale issue. \*Defaults to **false\***        | Optional |
-| `exempt-pr-milestones`      | Milestones on the pr exempted from being marked as stale (override `exempt-milestones`).     | Optional |
+|   `skip-stale-pr-message`   |         Skip adding stale message on stale pr. \*Defaults to **false\***          | Optional |
 | `only-labels`               | Only labels checked for stale issue/pr.                                                      | Optional |
 | `operations-per-run`        | Maximum number of operations per run (GitHub API CRUD related). _Defaults to **30**_         | Optional |
 | `remove-stale-when-updated` | Remove stale label from issue/pr on updates or comments. _Defaults to **true**_              | Optional |
 | `debug-only`                | Dry-run on action. _Defaults to **false**_                                                   | Optional |
 | `ascending`                 | Order to get issues/pr. _Defaults to **false**_                                              | Optional |
 | `skip-stale-issue-message`  | Skip adding stale message on stale issue. _Defaults to **false**_                            | Optional |
 | `skip-stale-pr-message`     | Skip adding stale message on stale pr. _Defaults to **false**_                               | Optional |
 | `start-date`                | The date used to skip the stale action on issue/pr created before it (ISO 8601 or RFC 2822). | Optional |
 ### Usage
@@ -62,7 +54,7 @@ See [action.yml](./action.yml) For comprehensive list of options.
 Basic:
 ```yaml
-name: 'Close stale issues and PRs'
+name: 'Close stale issues'
 on:
  schedule:
    - cron: '30 1 * * *'
@@ -80,7 +72,7 @@ jobs:
 Configure stale timeouts:
 ```yaml
-name: 'Close stale issues and PRs'
+name: 'Close stale issues'
 on:
  schedule:
    - cron: '30 1 * * *'
@@ -91,63 +83,15 @@ jobs:
    steps:
      - uses: actions/stale@v3
        with:
-          stale-issue-message: 'This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 5 days.'
+          stale-issue-message: 'This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 5 days'
          days-before-stale: 30
          days-before-close: 5
 ```
 Configure different stale timeouts but never close a pr:
 ```yaml
 name: 'Close stale issues and PR'
 on:
  schedule:
    - cron: '30 1 * * *'
 jobs:
  stale:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/stale@v3
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}
          stale-issue-message: 'This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 5 days.'
          stale-pr-message: 'This pr is stale because it has been open 45 days with no activity. Remove stale label or comment or this will be closed in 10 days.'
          close-issue-message: 'This issue was closed because it has been stalled for 5 days with no activity.'
          days-before-stale: 30
          days-before-close: 5
          days-before-pr-close: -1
 ```
 Configure different stale timeouts:
 ```yaml
 name: 'Close stale issues and PRs'
 on:
  schedule:
    - cron: '30 1 * * *'
 jobs:
  stale:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/stale@v3
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}
          stale-issue-message: 'This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 5 days.'
          stale-pr-message: 'This pr is stale because it has been open 45 days with no activity. Remove stale label or comment or this will be closed in 10 days.'
          close-issue-message: 'This issue was closed because it has been stalled for 5 days with no activity.'
          close-pr-message: 'This pr was closed because it has been stalled for 10 days with no activity.'
          days-before-issue-stale: 30
          days-before-pr-stale: 45
          days-before-issue-close: 5
          days-before-pr-close: 10
 ```
 Configure labels:
 ```yaml
-name: 'Close stale issues and PRs'
+name: 'Close stale issues'
 on:
  schedule:
    - cron: '30 1 * * *'
@@ -167,41 +111,6 @@ jobs:
          only-labels: 'awaiting-feedback,awaiting-answers'
 ```
 Configure the stale action to only stale issue/pr created after the 18th april 2020:
 ```yaml
 name: 'Close stale issues and PRs'
 on:
  schedule:
    - cron: '30 1 * * *'
 jobs:
  stale:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/stale@v3
        with:
          start-date: '2020-18-04T00:00:00Z' // ISO 8601 or RFC 2822
 ```
 Avoid stale for specific milestones:
 ```yaml
 name: 'Close stale issues and PRs'
 on:
  schedule:
    - cron: '30 1 * * *'
 jobs:
  stale:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/stale@v3
        with:
          exempt-issue-milestones: 'future,alpha,beta'
          exempt-pr-milestones: 'bugfix,improvement'
 ```
 ### Debugging
 To see debug output from this action, you must set the secret `ACTIONS_STEP_DEBUG` to `true` in your repository. You can run this action in debug only mode (no actions will be taken on your issues) by passing `debug-only` `true` as an argument to the action.
--- a/tests/main.test.ts
+++ b/tests/main.test.ts
--- a/action.yml
+++ b/action.yml
@@ -4,110 +4,61 @@ author: 'GitHub'
 inputs:
  repo-token:
    description: 'Token for the repository. Can be passed in using `{{ secrets.GITHUB_TOKEN }}`.'
    required: false
    default: ${{ github.token }}
  stale-issue-message:
    description: 'The message to post on the issue when tagging it. If none provided, will not mark issues stale.'
    required: false
  stale-pr-message:
    description: 'The message to post on the pr when tagging it. If none provided, will not mark pull requests stale.'
    required: false
  close-issue-message:
    description: 'The message to post on the issue when closing it. If none provided, will not comment when closing an issue.'
    required: false
  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.'
    required: false
  days-before-stale:
-    description: 'The number of days old an issue or a pull request can be before marking it stale. Set to -1 to never mark issues or pull requests as stale automatically.'
+    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.'
-    required: false
+    default: 60
    default: '60'
  days-before-issue-stale:
    description: 'The number of days old an issue can be before marking it stale. Set to -1 to never mark issues as stale automatically. Override "days-before-stale" option regarding only the issues.'
    required: false
  days-before-pr-stale:
    description: 'The number of days old a pull request can be before marking it stale. Set to -1 to never mark pull requests as stale automatically. Override "days-before-stale" option regarding only the pull requests.'
    required: false
  days-before-close:
-    description: 'The number of days to wait to close an issue or a pull request after it being marked stale. Set to -1 to never close stale issues or pull requests.'
+    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.'
-    required: false
+    default: 7
    default: '7'
  days-before-issue-close:
    description: 'The number of days to wait to close an issue after it being marked stale. Set to -1 to never close stale issues. Override "days-before-close" option regarding only the issues.'
    required: false
  days-before-pr-close:
    description: 'The number of days to wait to close a pull request after it being marked stale. Set to -1 to never close stale pull requests. Override "days-before-close" option regarding only the pull requests.'
    required: false
  stale-issue-label:
    description: 'The label to apply when an issue is stale.'
    required: false
    default: 'Stale'
  close-issue-label:
    description: 'The label to apply when an issue is closed.'
    required: false
  exempt-issue-labels:
    description: 'The labels that mean an issue is exempt from being marked stale. Separate multiple labels with commas (eg. "label1,label2")'
    default: ''
    required: false
  stale-pr-label:
    description: 'The label to apply when a pull request is stale.'
    default: 'Stale'
    required: false
  close-pr-label:
    description: 'The label to apply when a pull request is closed.'
    required: false
  exempt-pr-labels:
    description: 'The labels that mean a pull request is exempt from being marked stale. Separate multiple labels with commas (eg. "label1,label2")'
    default: ''
    required: false
  exempt-milestones:
    description: 'The milestones that mean an issue or a pr is exempt from being marked stale. Separate multiple milestones with commas (eg. "milestone1,milestone2")'
    default: ''
    required: false
  exempt-issue-milestones:
    description: 'The milestones that mean an issue is exempt from being marked stale. Separate multiple milestones with commas (eg. "milestone1,milestone2"). Override "exempt-milestones" option regarding only the issue.'
    default: ''
    required: false
  exempt-pr-milestones:
    description: 'The milestones that mean a pull request is exempt from being marked stale. Separate multiple milestones with commas (eg. "milestone1,milestone2"). Override "exempt-milestones" option regarding only the pull requests.'
    default: ''
    required: false
  only-labels:
    description: 'Only issues or pull requests with all of these labels are checked if stale. Defaults to `[]` (disabled) and can be a comma-separated list of labels.'
    default: ''
    required: false
  operations-per-run:
-    description: 'The maximum number of operations per run, used to control rate limiting (GitHub API CRUD related).'
+    description: 'The maximum number of operations per run, used to control rate limiting.'
-    default: '30'
+    default: 30
    required: false
  remove-stale-when-updated:
    description: 'Remove stale labels from issues when they are updated or commented on.'
-    default: 'true'
+    default: true
    required: false
  debug-only:
    description: 'Run the processor in debug mode without actually performing any operations on live issues.'
-    default: 'false'
+    default: false
    required: false
  ascending:
    description: 'The order to get issues or pull requests. Defaults to false, which is descending'
-    default: 'false'
+    default: false
    required: false
  skip-stale-pr-message:
    description: 'Skip adding stale message when marking a pull request as stale.'
-    default: 'false'
+    default: false
    required: false
  skip-stale-issue-message:
    description: 'Skip adding stale message when marking an issue as stale.'
-    default: 'false'
+    default: false
    required: false
  delete-branch:
    description: 'Delete the git branch after closing a stale pull request.'
-    default: 'false'
+    default: false
    required: false
  start-date:
    description: 'The date used to skip the stale action on issue/pr created before it (ISO 8601 or RFC 2822).'
    default: ''
    required: false
 runs:
  using: 'node12'
  main: 'dist/index.js'
--- a/dist/index.js
+++ b/dist/index.js
--- a/package-lock.json
+++ b/package-lock.json
@@ -418,9 +418,9 @@
      }
    },
    "@eslint/eslintrc": {
-      "version": "0.3.0",
+      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-0.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-0.2.2.tgz",
-      "integrity": "sha512-1JTKgrOKAHVivSvOYw+sJOunkBjUOvjqWk1DPja7ZFhIS2mX/4EgTT8M7eTK9jrKhL/FvXXEbQwIs3pg1xp3dg==",
+      "integrity": "sha512-EfB5OHNYp1F4px/LI/FEnGylop7nOqkQ1LRzCM0KccA2U8tvV8w01KBv37LbO7nW4H+YhKyo2LcJhRwjjV17QQ==",
      "dev": true,
      "requires": {
        "ajv": "^6.12.4",
@@ -430,7 +430,7 @@
        "ignore": "^4.0.6",
        "import-fresh": "^3.2.1",
        "js-yaml": "^3.13.1",
-        "lodash": "^4.17.20",
+        "lodash": "^4.17.19",
        "minimatch": "^3.0.4",
        "strip-json-comments": "^3.1.1"
      },
@@ -447,15 +447,6 @@
            "uri-js": "^4.2.2"
          }
        },
        "argparse": {
          "version": "1.0.10",
          "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
          "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
          "dev": true,
          "requires": {
            "sprintf-js": "~1.0.2"
          }
        },
        "globals": {
          "version": "12.4.0",
          "resolved": "https://registry.npmjs.org/globals/-/globals-12.4.0.tgz",
@@ -464,22 +455,6 @@
          "requires": {
            "type-fest": "^0.8.1"
          }
        },
        "js-yaml": {
          "version": "3.14.1",
          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
          "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
          "dev": true,
          "requires": {
            "argparse": "^1.0.7",
            "esprima": "^4.0.0"
          }
        },
        "lodash": {
          "version": "4.17.20",
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--- a/package.json
+++ b/package.json
@@ -6,12 +6,10 @@
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    "build": "tsc",
-    "format": "prettier --write --ignore-unknown **/*.{md,json,yml,ts}",
+    "format": "prettier --write **/*.ts",
-    "format-check": "prettier --check --ignore-unknown **/*.{md,json,yml,ts}",
+    "format-check": "prettier --check **/*.ts",
    "lint": "eslint src/**/*.ts",
    "lint:fix": "eslint src/**/*.ts --fix",
    "lint:all": "npm run format-check && npm run lint",
    "lint:all:fix": "npm run format && npm run lint:fix",
    "pack": "ncc build",
    "test": "jest",
    "all": "npm run build && npm run format && npm run lint && npm run pack && npm test"
@@ -30,24 +28,23 @@
  "dependencies": {
    "@actions/core": "^1.2.6",
    "@actions/github": "^4.0.0",
-    "@octokit/rest": "^18.0.12",
+    "@octokit/rest": "^18.0.9",
    "lodash.deburr": "^4.1.0",
-    "semver": "^7.3.4"
+    "semver": "^7.3.2"
  },
  "devDependencies": {
-    "@types/jest": "^26.0.20",
+    "@types/jest": "^26.0.15",
    "@types/lodash.deburr": "^4.1.6",
-    "@types/node": "^14.14.21",
+    "@types/node": "^14.10.0",
    "@types/semver": "^7.3.4",
-    "@typescript-eslint/eslint-plugin": "^4.14.0",
+    "@typescript-eslint/parser": "^4.8.1",
    "@typescript-eslint/parser": "^4.14.0",
    "@vercel/ncc": "^0.27.0",
-    "eslint": "^7.18.0",
+    "eslint": "^7.17.0",
    "eslint-plugin-github": "^4.0.1",
    "eslint-plugin-jest": "^24.1.3",
    "jest": "^26.6.3",
    "jest-circus": "^26.6.3",
-    "js-yaml": "^4.0.0",
+    "js-yaml": "^3.14.0",
    "prettier": "^2.2.1",
    "ts-jest": "^26.4.4",
    "typescript": "^4.1.3"
--- a/src/IssueProcessor.ts
+++ b/src/IssueProcessor.ts
@@ -1,21 +1,19 @@
 import * as core from '@actions/core';
 import {context, getOctokit} from '@actions/github';
 import {GitHub} from '@actions/github/lib/utils';
 import {GetResponseTypeFromEndpointMethod} from '@octokit/types';
 import {Issue} from './classes/issue';
 import {IssueLogger} from './classes/loggers/issue-logger';
 import {Logger} from './classes/loggers/logger';
 import {Milestones} from './classes/milestones';
 import {IssueType} from './enums/issue-type';
 import {getHumanizedDate} from './functions/dates/get-humanized-date';
 import {isDateMoreRecentThan} from './functions/dates/is-date-more-recent-than';
 import {isValidDate} from './functions/dates/is-valid-date';
 import {getIssueType} from './functions/get-issue-type';
 import {isLabeled} from './functions/is-labeled';
-import {isPullRequest} from './functions/is-pull-request';
+import {labelsToList} from './functions/labels-to-list';
-import {shouldMarkWhenStale} from './functions/should-mark-when-stale';
+
-import {IsoOrRfcDateString} from './types/iso-or-rfc-date-string';
+export interface Issue {
-import {wordsToList} from './functions/words-to-list';
+  title: string;
-import {IIssue} from './interfaces/issue';
+  number: number;
  updated_at: string;
  labels: Label[];
  pull_request: any;
  state: string;
  locked: boolean;
 }
 export interface PullRequest {
  number: number;
@@ -50,11 +48,7 @@ export interface IssueProcessorOptions {
  closeIssueMessage: string;
  closePrMessage: string;
  daysBeforeStale: number;
  daysBeforeIssueStale: number; // Could be NaN
  daysBeforePrStale: number; // Could be NaN
  daysBeforeClose: number;
  daysBeforeIssueClose: number; // Could be NaN
  daysBeforePrClose: number; // Could be NaN
  staleIssueLabel: string;
  closeIssueLabel: string;
  exemptIssueLabels: string;
@@ -69,28 +63,16 @@ export interface IssueProcessorOptions {
  skipStaleIssueMessage: boolean;
  skipStalePrMessage: boolean;
  deleteBranch: boolean;
  startDate: IsoOrRfcDateString | undefined; // Should be ISO 8601 or RFC 2822
  exemptMilestones: string;
  exemptIssueMilestones: string;
  exemptPrMilestones: string;
 }
 /***
 * Handle processing of issues for staleness/closure.
 */
 export class IssueProcessor {
  private static _updatedSince(timestamp: string, num_days: number): boolean {
    const daysInMillis = 1000 * 60 * 60 * 24 * num_days;
    const millisSinceLastUpdated =
      new Date().getTime() - new Date(timestamp).getTime();
    return millisSinceLastUpdated <= daysInMillis;
  }
  private readonly _logger: Logger = new Logger();
  private _operationsLeft = 0;
  readonly client: InstanceType<typeof GitHub>;
  readonly options: IssueProcessorOptions;
  private operationsLeft = 0;
  readonly staleIssues: Issue[] = [];
  readonly closedIssues: Issue[] = [];
  readonly deletedBranchIssues: Issue[] = [];
@@ -110,27 +92,27 @@ export class IssueProcessor {
    ) => Promise<string | undefined>
  ) {
    this.options = options;
-    this._operationsLeft = options.operationsPerRun;
+    this.operationsLeft = options.operationsPerRun;
    this.client = getOctokit(options.repoToken);
    if (getActor) {
-      this._getActor = getActor;
+      this.getActor = getActor;
    }
    if (getIssues) {
-      this._getIssues = getIssues;
+      this.getIssues = getIssues;
    }
    if (listIssueComments) {
-      this._listIssueComments = listIssueComments;
+      this.listIssueComments = listIssueComments;
    }
    if (getLabelCreationDate) {
-      this._getLabelCreationDate = getLabelCreationDate;
+      this.getLabelCreationDate = getLabelCreationDate;
    }
    if (this.options.debugOnly) {
-      this._logger.warning(
+      core.warning(
        'Executing in debug mode. Debug output will be written but no issues will be processed.'
      );
    }
@@ -138,157 +120,97 @@ export class IssueProcessor {
  async processIssues(page = 1): Promise<number> {
    // get the next batch of issues
-    const issues: Issue[] = await this._getIssues(page);
+    const issues: Issue[] = await this.getIssues(page);
-    this._operationsLeft -= 1;
+    this.operationsLeft -= 1;
-    const actor: string = await this._getActor();
+    const actor: string = await this.getActor();
    if (issues.length <= 0) {
-      this._logger.info('---');
+      core.info('No more issues found to process. Exiting.');
-      this._logger.info('No more issues found to process. Exiting.');
+      return this.operationsLeft;
      return this._operationsLeft;
    }
    for (const issue of issues.values()) {
-      const issueLogger: IssueLogger = new IssueLogger(issue);
+      const isPr = !!issue.pull_request;
-      issueLogger.info(
+      core.info(
-        `Found issue: issue #${issue.number} last updated ${issue.updated_at} (is pr? ${issue.isPullRequest})`
+        `Found issue: issue #${issue.number} last updated ${issue.updated_at} (is pr? ${isPr})`
      );
      // calculate string based messages for this issue
-      const staleMessage: string = issue.isPullRequest
+      const staleMessage: string = isPr
        ? this.options.stalePrMessage
        : this.options.staleIssueMessage;
-      const closeMessage: string = issue.isPullRequest
+      const closeMessage: string = isPr
        ? this.options.closePrMessage
        : this.options.closeIssueMessage;
-      const staleLabel: string = issue.isPullRequest
+      const staleLabel: string = isPr
        ? this.options.stalePrLabel
        : this.options.staleIssueLabel;
-      const closeLabel: string = issue.isPullRequest
+      const closeLabel: string = isPr
        ? this.options.closePrLabel
        : this.options.closeIssueLabel;
-      const skipMessage = issue.isPullRequest
+      const exemptLabels: string[] = labelsToList(
        isPr ? this.options.exemptPrLabels : this.options.exemptIssueLabels
      );
      const skipMessage = isPr
        ? this.options.skipStalePrMessage
        : this.options.skipStaleIssueMessage;
-      const issueType: IssueType = getIssueType(issue.isPullRequest);
+      const issueType: string = isPr ? 'pr' : 'issue';
-      const daysBeforeStale: number = issue.isPullRequest
+      const shouldMarkWhenStale = this.options.daysBeforeStale > -1;
        ? this._getDaysBeforePrStale()
        : this._getDaysBeforeIssueStale();
-      if (issue.isPullRequest) {
+      if (!staleMessage && shouldMarkWhenStale) {
-        issueLogger.info(`Days before pull request stale: ${daysBeforeStale}`);
+        core.info(`Skipping ${issueType} due to empty stale message`);
      } else {
        issueLogger.info(`Days before issue stale: ${daysBeforeStale}`);
      }
      const shouldMarkAsStale: boolean = shouldMarkWhenStale(daysBeforeStale);
      if (!staleMessage && shouldMarkAsStale) {
        issueLogger.info(`Skipping ${issueType} due to empty stale message`);
        continue;
      }
      if (issue.state === 'closed') {
-        issueLogger.info(`Skipping ${issueType} because it is closed`);
+        core.info(`Skipping ${issueType} because it is closed`);
        continue; // don't process closed issues
      }
      if (issue.locked) {
-        issueLogger.info(`Skipping ${issueType} because it is locked`);
+        core.info(`Skipping ${issueType} because it is locked`);
        continue; // don't process locked issues
      }
      if (this.options.startDate) {
        const startDate: Date = new Date(this.options.startDate);
        const createdAt: Date = new Date(issue.created_at);
        issueLogger.info(
          `A start date was specified for the ${getHumanizedDate(startDate)} (${
            this.options.startDate
          })`
        );
        // Expecting that GitHub will always set a creation date on the issues and PRs
        // But you never know!
        if (!isValidDate(createdAt)) {
          throw new Error(
            `Invalid issue field: "created_at". Expected a valid date`
          );
        }
        issueLogger.info(
          `Issue created the ${getHumanizedDate(createdAt)} (${
            issue.created_at
          })`
        );
        if (!isDateMoreRecentThan(createdAt, startDate)) {
          issueLogger.info(
            `Skipping ${issueType} because it was created before the specified start date`
          );
          continue; // don't process issues which were created before the start date
        }
      }
      if (issue.isStale) {
        issueLogger.info(`This issue has a stale label`);
      } else {
        issueLogger.info(`This issue hasn't a stale label`);
      }
      const exemptLabels: string[] = wordsToList(
        issue.isPullRequest
          ? this.options.exemptPrLabels
          : this.options.exemptIssueLabels
      );
      if (
-        exemptLabels.some((exemptLabel: Readonly<string>): boolean =>
+        exemptLabels.some((exemptLabel: string) =>
          isLabeled(issue, exemptLabel)
        )
      ) {
-        if (issue.isStale) {
+        core.info(`Skipping ${issueType} because it has an exempt label`);
          issueLogger.info(`An exempt label was added after the stale label.`);
          await this._removeStaleLabel(issue, staleLabel);
        }
        issueLogger.info(
          `Skipping ${issueType} because it has an exempt label`
        );
        continue; // don't process exempt issues
      }
-      const milestones: Milestones = new Milestones(this.options, issue);
+      // does this issue have a stale label?
      let isStale: boolean = isLabeled(issue, staleLabel);
-      if (milestones.shouldExemptMilestones()) {
+      if (isStale) {
-        issueLogger.info(
+        core.info(`This issue has a stale label`);
-          `Skipping ${issueType} because it has an exempt milestone`
+      } else {
-        );
+        core.info(`This issue hasn't a stale label`);
        continue; // don't process exempt milestones
      }
      // should this issue be marked stale?
-      const shouldBeStale = !IssueProcessor._updatedSince(
+      const shouldBeStale = !IssueProcessor.updatedSince(
        issue.updated_at,
        this.options.daysBeforeStale
      );
      // determine if this issue needs to be marked stale first
-      if (!issue.isStale && shouldBeStale && shouldMarkAsStale) {
+      if (!isStale && shouldBeStale && shouldMarkWhenStale) {
-        issueLogger.info(
+        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, skipMessage);
+        await this.markStale(issue, staleMessage, staleLabel, skipMessage);
-        issue.isStale = true; // this issue is now considered stale
+        isStale = true; // this issue is now considered stale
      }
      // process the issue if it was marked stale
-      if (issue.isStale) {
+      if (isStale) {
-        issueLogger.info(`Found a stale ${issueType}`);
+        core.info(`Found a stale ${issueType}`);
-        await this._processStaleIssue(
+        await this.processStaleIssue(
          issue,
          issueType,
          staleLabel,
@@ -299,10 +221,8 @@ export class IssueProcessor {
      }
    }
-    if (this._operationsLeft <= 0) {
+    if (this.operationsLeft <= 0) {
-      this._logger.warning(
+      core.warning('Reached max number of operations to process. Exiting.');
        'Reached max number of operations to process. Exiting.'
      );
      return 0;
    }
@@ -311,88 +231,73 @@ export class IssueProcessor {
  }
  // handle all of the stale issue logic when we find a stale issue
-  private async _processStaleIssue(
+  private async processStaleIssue(
    issue: Issue,
-    issueType: IssueType,
+    issueType: string,
    staleLabel: string,
    actor: string,
    closeMessage?: string,
    closeLabel?: string
  ) {
    const issueLogger: IssueLogger = new IssueLogger(issue);
    const markedStaleOn: string =
-      (await this._getLabelCreationDate(issue, staleLabel)) || issue.updated_at;
+      (await this.getLabelCreationDate(issue, staleLabel)) || issue.updated_at;
-    issueLogger.info(
+    core.info(`Issue #${issue.number} marked stale on: ${markedStaleOn}`);
      `Issue #${issue.number} marked stale on: ${markedStaleOn}`
    );
-    const issueHasComments: boolean = await this._hasCommentsSince(
+    const issueHasComments: boolean = await this.hasCommentsSince(
      issue,
      markedStaleOn,
      actor
    );
-    issueLogger.info(
+    core.info(
      `Issue #${issue.number} has been commented on: ${issueHasComments}`
    );
-    const isPr: boolean = isPullRequest(issue);
+    const issueHasUpdate: boolean = IssueProcessor.updatedSince(
    const daysBeforeClose: number = isPr
      ? this._getDaysBeforePrClose()
      : this._getDaysBeforeIssueClose();
    if (isPr) {
      issueLogger.info(`Days before pull request close: ${daysBeforeClose}`);
    } else {
      issueLogger.info(`Days before issue close: ${daysBeforeClose}`);
    }
    const issueHasUpdate: boolean = IssueProcessor._updatedSince(
      issue.updated_at,
-      daysBeforeClose
+      this.options.daysBeforeClose
    );
    issueLogger.info(
      `Issue #${issue.number} has been updated: ${issueHasUpdate}`
    );
    core.info(`Issue #${issue.number} has been updated: ${issueHasUpdate}`);
    // should we un-stale this issue?
    if (this.options.removeStaleWhenUpdated && issueHasComments) {
-      await this._removeStaleLabel(issue, staleLabel);
+      core.info(
        `Issue #${issue.number} is no longer stale. Removing stale label.`
      );
      await this.removeLabel(issue, staleLabel);
    }
    // now start closing logic
-    if (daysBeforeClose < 0) {
+    if (this.options.daysBeforeClose < 0) {
      return; // nothing to do because we aren't closing stale issues
    }
    if (!issueHasComments && !issueHasUpdate) {
-      issueLogger.info(
+      core.info(
        `Closing ${issueType} because it was last updated on ${issue.updated_at}`
      );
-      await this._closeIssue(issue, closeMessage, closeLabel);
+      await this.closeIssue(issue, closeMessage, closeLabel);
      if (this.options.deleteBranch && issue.pull_request) {
-        issueLogger.info(
+        core.info(
          `Deleting branch for #${issue.number} as delete-branch option was specified`
        );
-        await this._deleteBranch(issue);
+        await this.deleteBranch(issue);
        this.deletedBranchIssues.push(issue);
      }
    } else {
-      issueLogger.info(
+      core.info(
        `Stale ${issueType} is not old enough to close yet (hasComments? ${issueHasComments}, hasUpdate? ${issueHasUpdate})`
      );
    }
  }
  // checks to see if a given issue is still stale (has had activity on it)
-  private async _hasCommentsSince(
+  private async hasCommentsSince(
    issue: Issue,
    sinceDate: string,
    actor: string
  ): Promise<boolean> {
-    const issueLogger: IssueLogger = new IssueLogger(issue);
+    core.info(
    issueLogger.info(
      `Checking for comments on issue #${issue.number} since ${sinceDate}`
    );
@@ -401,13 +306,13 @@ export class IssueProcessor {
    }
    // find any comments since the date
-    const comments = await this._listIssueComments(issue.number, sinceDate);
+    const comments = await this.listIssueComments(issue.number, sinceDate);
    const filteredComments = comments.filter(
      comment => comment.user.type === 'User' && comment.user.login !== actor
    );
-    issueLogger.info(
+    core.info(
      `Comments not made by actor or another bot: ${filteredComments.length}`
    );
@@ -416,7 +321,7 @@ export class IssueProcessor {
  }
  // grab comments for an issue since a given date
-  private async _listIssueComments(
+  private async listIssueComments(
    issueNumber: number,
    sinceDate: string
  ): Promise<Comment[]> {
@@ -430,13 +335,13 @@ export class IssueProcessor {
      });
      return comments.data;
    } catch (error) {
-      this._logger.error(`List issue comments error: ${error.message}`);
+      core.error(`List issue comments error: ${error.message}`);
      return Promise.resolve([]);
    }
  }
  // get the actor from the GitHub token or context
-  private async _getActor(): Promise<string> {
+  private async getActor(): Promise<string> {
    let actor;
    try {
      actor = await this.client.users.getAuthenticated();
@@ -447,8 +352,8 @@ export class IssueProcessor {
    return actor.data.login;
  }
-  // grab issues from github in batches of 100
+  // grab issues from github in baches of 100
-  private async _getIssues(page: number): Promise<Issue[]> {
+  private async getIssues(page: number): Promise<Issue[]> {
    // generate type for response
    const endpoint = this.client.issues.listForRepo;
    type OctoKitIssueList = GetResponseTypeFromEndpointMethod<typeof endpoint>;
@@ -465,30 +370,25 @@ export class IssueProcessor {
          page
        }
      );
-
+      return issueResult.data;
      return issueResult.data.map(
        (issue: Readonly<IIssue>): Issue => new Issue(this.options, issue)
      );
    } catch (error) {
-      this._logger.error(`Get issues for repo error: ${error.message}`);
+      core.error(`Get issues for repo error: ${error.message}`);
      return Promise.resolve([]);
    }
  }
  // Mark an issue as stale with a comment and a label
-  private async _markStale(
+  private async markStale(
    issue: Issue,
    staleMessage: string,
    staleLabel: string,
    skipMessage: boolean
  ): Promise<void> {
-    const issueLogger: IssueLogger = new IssueLogger(issue);
+    core.info(`Marking issue #${issue.number} as stale`);
    issueLogger.info(`Marking issue #${issue.number} as stale`);
    this.staleIssues.push(issue);
-    this._operationsLeft -= 2;
+    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
@@ -508,7 +408,7 @@ export class IssueProcessor {
          body: staleMessage
        });
      } catch (error) {
-        issueLogger.error(`Error creating a comment: ${error.message}`);
+        core.error(`Error creating a comment: ${error.message}`);
      }
    }
@@ -520,23 +420,21 @@ export class IssueProcessor {
        labels: [staleLabel]
      });
    } catch (error) {
-      issueLogger.error(`Error adding a label: ${error.message}`);
+      core.error(`Error adding a label: ${error.message}`);
    }
  }
  // Close an issue based on staleness
-  private async _closeIssue(
+  private async closeIssue(
    issue: Issue,
    closeMessage?: string,
    closeLabel?: string
  ): Promise<void> {
-    const issueLogger: IssueLogger = new IssueLogger(issue);
+    core.info(`Closing issue #${issue.number} for being stale`);
    issueLogger.info(`Closing issue #${issue.number} for being stale`);
    this.closedIssues.push(issue);
-    this._operationsLeft -= 1;
+    this.operationsLeft -= 1;
    if (this.options.debugOnly) {
      return;
@@ -551,7 +449,7 @@ export class IssueProcessor {
          body: closeMessage
        });
      } catch (error) {
-        issueLogger.error(`Error creating a comment: ${error.message}`);
+        core.error(`Error creating a comment: ${error.message}`);
      }
    }
@@ -564,7 +462,7 @@ export class IssueProcessor {
          labels: [closeLabel]
        });
      } catch (error) {
-        issueLogger.error(`Error adding a label: ${error.message}`);
+        core.error(`Error adding a label: ${error.message}`);
      }
    }
@@ -576,36 +474,31 @@ export class IssueProcessor {
        state: 'closed'
      });
    } catch (error) {
-      issueLogger.error(`Error updating an issue: ${error.message}`);
+      core.error(`Error updating an issue: ${error.message}`);
    }
  }
-  private async _getPullRequest(
+  private async getPullRequest(
-    issue: Issue
+    pullNumber: number
  ): Promise<PullRequest | undefined> {
-    const issueLogger: IssueLogger = new IssueLogger(issue);
+    this.operationsLeft -= 1;
    this._operationsLeft -= 1;
    try {
      const pullRequest = await this.client.pulls.get({
        owner: context.repo.owner,
        repo: context.repo.repo,
-        pull_number: issue.number
+        pull_number: pullNumber
      });
      return pullRequest.data;
    } catch (error) {
-      issueLogger.error(
+      core.error(`Error getting pull request ${pullNumber}: ${error.message}`);
        `Error getting pull request ${issue.number}: ${error.message}`
      );
    }
  }
  // Delete the branch on closed pull request
-  private async _deleteBranch(issue: Issue): Promise<void> {
+  private async deleteBranch(issue: Issue): Promise<void> {
-    const issueLogger: IssueLogger = new IssueLogger(issue);
+    core.info(
    issueLogger.info(
      `Delete branch from closed issue #${issue.number} - ${issue.title}`
    );
@@ -613,21 +506,19 @@ export class IssueProcessor {
      return;
    }
-    const pullRequest = await this._getPullRequest(issue);
+    const pullRequest = await this.getPullRequest(issue.number);
    if (!pullRequest) {
-      issueLogger.info(
+      core.info(
        `Not deleting branch as pull request not found for issue ${issue.number}`
      );
      return;
    }
    const branch = pullRequest.head.ref;
-    issueLogger.info(
+    core.info(`Deleting branch ${branch} from closed issue #${issue.number}`);
      `Deleting branch ${branch} from closed issue #${issue.number}`
    );
-    this._operationsLeft -= 1;
+    this.operationsLeft -= 1;
    try {
      await this.client.git.deleteRef({
@@ -636,21 +527,19 @@ export class IssueProcessor {
        ref: `heads/${branch}`
      });
    } catch (error) {
-      issueLogger.error(
+      core.error(
        `Error deleting branch ${branch} from issue #${issue.number}: ${error.message}`
      );
    }
  }
  // Remove a label from an issue
-  private async _removeLabel(issue: Issue, label: string): Promise<void> {
+  private async removeLabel(issue: Issue, label: string): Promise<void> {
-    const issueLogger: IssueLogger = new IssueLogger(issue);
+    core.info(`Removing label "${label}" from issue #${issue.number}`);
    issueLogger.info(`Removing label "${label}" from issue #${issue.number}`);
    this.removedLabelIssues.push(issue);
-    this._operationsLeft -= 1;
+    this.operationsLeft -= 1;
    // @todo remove the debug only to be able to test the code below
    if (this.options.debugOnly) {
@@ -665,21 +554,19 @@ export class IssueProcessor {
        name: label
      });
    } catch (error) {
-      issueLogger.error(`Error removing a label: ${error.message}`);
+      core.error(`Error removing a label: ${error.message}`);
    }
  }
  // returns the creation date of a given label on an issue (or nothing if no label existed)
  ///see https://developer.github.com/v3/activity/events/
-  private async _getLabelCreationDate(
+  private async getLabelCreationDate(
    issue: Issue,
    label: string
  ): Promise<string | undefined> {
-    const issueLogger: IssueLogger = new IssueLogger(issue);
+    core.info(`Checking for label on issue #${issue.number}`);
-    issueLogger.info(`Checking for label on issue #${issue.number}`);
+    this.operationsLeft -= 1;
    this._operationsLeft -= 1;
    const options = this.client.issues.listEvents.endpoint.merge({
      owner: context.repo.owner,
@@ -703,40 +590,11 @@ export class IssueProcessor {
    return staleLabeledEvent.created_at;
  }
-  private _getDaysBeforeIssueStale(): number {
+  private static updatedSince(timestamp: string, num_days: number): boolean {
-    return isNaN(this.options.daysBeforeIssueStale)
+    const daysInMillis = 1000 * 60 * 60 * 24 * num_days;
-      ? this.options.daysBeforeStale
+    const millisSinceLastUpdated =
-      : this.options.daysBeforeIssueStale;
+      new Date().getTime() - new Date(timestamp).getTime();
  }
-  private _getDaysBeforePrStale(): number {
+    return millisSinceLastUpdated <= daysInMillis;
    return isNaN(this.options.daysBeforePrStale)
      ? this.options.daysBeforeStale
      : this.options.daysBeforePrStale;
  }
  private _getDaysBeforeIssueClose(): number {
    return isNaN(this.options.daysBeforeIssueClose)
      ? this.options.daysBeforeClose
      : this.options.daysBeforeIssueClose;
  }
  private _getDaysBeforePrClose(): number {
    return isNaN(this.options.daysBeforePrClose)
      ? this.options.daysBeforeClose
      : this.options.daysBeforePrClose;
  }
  private async _removeStaleLabel(
    issue: Issue,
    staleLabel: Readonly<string>
  ): Promise<void> {
    const issueLogger: IssueLogger = new IssueLogger(issue);
    issueLogger.info(
      `Issue #${issue.number} is no longer stale. Removing stale label.`
    );
    return this._removeLabel(issue, staleLabel);
  }
 }
--- a/src/classes/issue.spec.ts
+++ b/src/classes/issue.spec.ts
@@ -1,208 +0,0 @@
 import {IIssue} from '../interfaces/issue';
 import {IMilestone} from '../interfaces/milestone';
 import {IssueProcessorOptions, Label} from '../IssueProcessor';
 import {Issue} from './issue';
 describe('Issue', (): void => {
  let issue: Issue;
  let optionsInterface: IssueProcessorOptions;
  let issueInterface: IIssue;
  beforeEach((): void => {
    optionsInterface = {
      ascending: false,
      closeIssueLabel: '',
      closeIssueMessage: '',
      closePrLabel: '',
      closePrMessage: '',
      daysBeforeClose: 0,
      daysBeforeIssueClose: 0,
      daysBeforeIssueStale: 0,
      daysBeforePrClose: 0,
      daysBeforePrStale: 0,
      daysBeforeStale: 0,
      debugOnly: false,
      deleteBranch: false,
      exemptIssueLabels: '',
      exemptIssueMilestones: '',
      exemptMilestones: '',
      exemptPrLabels: '',
      exemptPrMilestones: '',
      onlyLabels: '',
      operationsPerRun: 0,
      removeStaleWhenUpdated: false,
      repoToken: '',
      skipStaleIssueMessage: false,
      skipStalePrMessage: false,
      staleIssueMessage: '',
      stalePrMessage: '',
      startDate: undefined,
      stalePrLabel: 'dummy-stale-pr-label',
      staleIssueLabel: 'dummy-stale-issue-label'
    };
    issueInterface = {
      title: 'dummy-title',
      number: 8,
      created_at: 'dummy-created-at',
      updated_at: 'dummy-updated-at',
      labels: [
        {
          name: 'dummy-name'
        }
      ],
      pull_request: {},
      state: 'dummy-state',
      locked: false,
      milestone: {
        title: 'dummy-milestone'
      }
    };
    issue = new Issue(optionsInterface, issueInterface);
  });
  describe('constructor()', (): void => {
    it('should set the title with the given issue title', (): void => {
      expect.assertions(1);
      expect(issue.title).toStrictEqual('dummy-title');
    });
    it('should set the number with the given issue number', (): void => {
      expect.assertions(1);
      expect(issue.number).toStrictEqual(8);
    });
    it('should set the created_at with the given issue created_at', (): void => {
      expect.assertions(1);
      expect(issue.created_at).toStrictEqual('dummy-created-at');
    });
    it('should set the updated_at with the given issue updated_at', (): void => {
      expect.assertions(1);
      expect(issue.updated_at).toStrictEqual('dummy-updated-at');
    });
    it('should set the labels with the given issue labels', (): void => {
      expect.assertions(1);
      expect(issue.labels).toStrictEqual([
        {
          name: 'dummy-name'
        } as Label
      ]);
    });
    it('should set the pull_request with the given issue pull_request', (): void => {
      expect.assertions(1);
      expect(issue.pull_request).toStrictEqual({});
    });
    it('should set the state with the given issue state', (): void => {
      expect.assertions(1);
      expect(issue.state).toStrictEqual('dummy-state');
    });
    it('should set the locked with the given issue locked', (): void => {
      expect.assertions(1);
      expect(issue.locked).toStrictEqual(false);
    });
    it('should set the milestone with the given issue milestone', (): void => {
      expect.assertions(1);
      expect(issue.milestone).toStrictEqual({
        title: 'dummy-milestone'
      } as IMilestone);
    });
    describe('when the given issue pull_request is not set', (): void => {
      beforeEach((): void => {
        issueInterface.pull_request = undefined;
        issue = new Issue(optionsInterface, issueInterface);
      });
      it('should set the isPullRequest to false', (): void => {
        expect.assertions(1);
        expect(issue.isPullRequest).toStrictEqual(false);
      });
    });
    describe('when the given issue pull_request is set', (): void => {
      beforeEach((): void => {
        issueInterface.pull_request = {};
        issue = new Issue(optionsInterface, issueInterface);
      });
      it('should set the isPullRequest to true', (): void => {
        expect.assertions(1);
        expect(issue.isPullRequest).toStrictEqual(true);
      });
    });
    describe('when the given issue is not a pull request', (): void => {
      beforeEach((): void => {
        issueInterface.pull_request = undefined;
        issue = new Issue(optionsInterface, issueInterface);
      });
      it('should set the staleLabel with the given option staleIssueLabel', (): void => {
        expect.assertions(1);
        expect(issue.staleLabel).toStrictEqual('dummy-stale-issue-label');
      });
    });
    describe('when the given issue is a pull request', (): void => {
      beforeEach((): void => {
        issueInterface.pull_request = {};
        issue = new Issue(optionsInterface, issueInterface);
      });
      it('should set the staleLabel with the given option stalePrLabel', (): void => {
        expect.assertions(1);
        expect(issue.staleLabel).toStrictEqual('dummy-stale-pr-label');
      });
    });
    describe('when the given issue does not contains the stale label', (): void => {
      beforeEach((): void => {
        issueInterface.pull_request = undefined;
        issueInterface.labels = [];
        issue = new Issue(optionsInterface, issueInterface);
      });
      it('should set the isStale to false', (): void => {
        expect.assertions(1);
        expect(issue.isStale).toStrictEqual(false);
      });
    });
    describe('when the given issue contains the stale label', (): void => {
      beforeEach((): void => {
        issueInterface.pull_request = undefined;
        issueInterface.labels = [
          {
            name: 'dummy-stale-issue-label'
          } as Label
        ];
        issue = new Issue(optionsInterface, issueInterface);
      });
      it('should set the isStale to true', (): void => {
        expect.assertions(1);
        expect(issue.isStale).toStrictEqual(true);
      });
    });
  });
 });
--- a/src/classes/issue.ts
+++ b/src/classes/issue.ts
@@ -1,48 +0,0 @@
 import {isLabeled} from '../functions/is-labeled';
 import {isPullRequest} from '../functions/is-pull-request';
 import {IIssue} from '../interfaces/issue';
 import {IMilestone} from '../interfaces/milestone';
 import {IssueProcessorOptions, Label} from '../IssueProcessor';
 import {IsoDateString} from '../types/iso-date-string';
 export class Issue implements IIssue {
  private readonly _options: IssueProcessorOptions;
  readonly title: string;
  readonly number: number;
  created_at: IsoDateString;
  updated_at: IsoDateString;
  readonly labels: Label[];
  readonly pull_request: Object | null | undefined;
  readonly state: string;
  readonly locked: boolean;
  readonly milestone: IMilestone | undefined;
  readonly isPullRequest: boolean;
  readonly staleLabel: string;
  isStale: boolean;
  constructor(
    options: Readonly<IssueProcessorOptions>,
    issue: Readonly<IIssue>
  ) {
    this._options = options;
    this.title = issue.title;
    this.number = issue.number;
    this.created_at = issue.created_at;
    this.updated_at = issue.updated_at;
    this.labels = issue.labels;
    this.pull_request = issue.pull_request;
    this.state = issue.state;
    this.locked = issue.locked;
    this.milestone = issue.milestone;
    this.isPullRequest = isPullRequest(this);
    this.staleLabel = this._getStaleLabel();
    this.isStale = isLabeled(this, this.staleLabel);
  }
  private _getStaleLabel(): string {
    return this.isPullRequest
      ? this._options.stalePrLabel
      : this._options.staleIssueLabel;
  }
 }
--- a/src/classes/loggers/issue-logger.spec.ts
+++ b/src/classes/loggers/issue-logger.spec.ts
@@ -1,78 +0,0 @@
 import {Issue} from '../issue';
 import {IssueLogger} from './issue-logger';
 import * as core from '@actions/core';
 describe('IssueLogger', (): void => {
  let issue: Issue;
  let issueLogger: IssueLogger;
  beforeEach((): void => {
    issue = {
      number: 8
    } as Issue;
    issueLogger = new IssueLogger(issue);
  });
  describe('warning()', (): void => {
    let message: string;
    let coreWarningSpy: jest.SpyInstance;
    beforeEach((): void => {
      message = 'dummy-message';
      coreWarningSpy = jest.spyOn(core, 'warning').mockImplementation();
    });
    it('should log a warning with the given message and with the issue number as prefix', (): void => {
      expect.assertions(2);
      issueLogger.warning(message);
      expect(coreWarningSpy).toHaveBeenCalledTimes(1);
      expect(coreWarningSpy).toHaveBeenCalledWith('[#8] dummy-message');
    });
  });
  describe('info()', (): void => {
    let message: string;
    let coreInfoSpy: jest.SpyInstance;
    beforeEach((): void => {
      message = 'dummy-message';
      coreInfoSpy = jest.spyOn(core, 'info').mockImplementation();
    });
    it('should log an information with the given message and with the issue number as prefix', (): void => {
      expect.assertions(2);
      issueLogger.info(message);
      expect(coreInfoSpy).toHaveBeenCalledTimes(1);
      expect(coreInfoSpy).toHaveBeenCalledWith('[#8] dummy-message');
    });
  });
  describe('error()', (): void => {
    let message: string;
    let coreErrorSpy: jest.SpyInstance;
    beforeEach((): void => {
      message = 'dummy-message';
      coreErrorSpy = jest.spyOn(core, 'error').mockImplementation();
    });
    it('should log an error with the given message and with the issue number as prefix', (): void => {
      expect.assertions(2);
      issueLogger.error(message);
      expect(coreErrorSpy).toHaveBeenCalledTimes(1);
      expect(coreErrorSpy).toHaveBeenCalledWith('[#8] dummy-message');
    });
  });
 });
--- a/src/classes/loggers/issue-logger.ts
+++ b/src/classes/loggers/issue-logger.ts
@@ -1,31 +0,0 @@
 import * as core from '@actions/core';
 import {Issue} from '../issue';
 import {Logger} from './logger';
 export class IssueLogger implements Logger {
  private readonly _issue: Issue;
  constructor(issue: Issue) {
    this._issue = issue;
  }
  warning(message: Readonly<string>): void {
    core.warning(this._prefixWithIssueNumber(message));
  }
  info(message: Readonly<string>): void {
    core.info(this._prefixWithIssueNumber(message));
  }
  error(message: Readonly<string>): void {
    core.error(this._prefixWithIssueNumber(message));
  }
  private _prefixWithIssueNumber(message: Readonly<string>): string {
    return `[#${this._getIssueNumber()}] ${message}`;
  }
  private _getIssueNumber(): number {
    return this._issue.number;
  }
 }
--- a/src/classes/loggers/logger.spec.ts
+++ b/src/classes/loggers/logger.spec.ts
@@ -1,73 +0,0 @@
 import {Logger} from './logger';
 import * as core from '@actions/core';
 describe('Logger', (): void => {
  let logger: Logger;
  beforeEach((): void => {
    logger = new Logger();
  });
  describe('warning()', (): void => {
    let message: string;
    let coreWarningSpy: jest.SpyInstance;
    beforeEach((): void => {
      message = 'dummy-message';
      coreWarningSpy = jest.spyOn(core, 'warning').mockImplementation();
    });
    it('should log a warning with the given message', (): void => {
      expect.assertions(2);
      logger.warning(message);
      expect(coreWarningSpy).toHaveBeenCalledTimes(1);
      expect(coreWarningSpy).toHaveBeenCalledWith('dummy-message');
    });
  });
  describe('info()', (): void => {
    let message: string;
    let coreInfoSpy: jest.SpyInstance;
    beforeEach((): void => {
      message = 'dummy-message';
      coreInfoSpy = jest.spyOn(core, 'info').mockImplementation();
    });
    it('should log an information with the given message', (): void => {
      expect.assertions(2);
      logger.info(message);
      expect(coreInfoSpy).toHaveBeenCalledTimes(1);
      expect(coreInfoSpy).toHaveBeenCalledWith('dummy-message');
    });
  });
  describe('error()', (): void => {
    let message: string;
    let coreErrorSpy: jest.SpyInstance;
    beforeEach((): void => {
      message = 'dummy-message';
      coreErrorSpy = jest.spyOn(core, 'error').mockImplementation();
    });
    it('should log an error with the given message', (): void => {
      expect.assertions(2);
      logger.error(message);
      expect(coreErrorSpy).toHaveBeenCalledTimes(1);
      expect(coreErrorSpy).toHaveBeenCalledWith('dummy-message');
    });
  });
 });
--- a/src/classes/loggers/logger.ts
+++ b/src/classes/loggers/logger.ts
@@ -1,15 +0,0 @@
 import * as core from '@actions/core';
 export class Logger {
  warning(message: Readonly<string>): void {
    core.warning(message);
  }
  info(message: Readonly<string>): void {
    core.info(message);
  }
  error(message: Readonly<string>): void {
    core.error(message);
  }
 }
--- a/src/classes/milestones.spec.ts
+++ b/src/classes/milestones.spec.ts
@@ -1,596 +0,0 @@
 import {IIssue} from '../interfaces/issue';
 import {IssueProcessorOptions} from '../IssueProcessor';
 import {Issue} from './issue';
 import {Milestones} from './milestones';
 describe('Milestones', (): void => {
  let milestones: Milestones;
  let optionsInterface: IssueProcessorOptions;
  let issue: Issue;
  let issueInterface: IIssue;
  beforeEach((): void => {
    optionsInterface = {
      ascending: false,
      closeIssueLabel: '',
      closeIssueMessage: '',
      closePrLabel: '',
      closePrMessage: '',
      daysBeforeClose: 0,
      daysBeforeIssueClose: 0,
      daysBeforeIssueStale: 0,
      daysBeforePrClose: 0,
      daysBeforePrStale: 0,
      daysBeforeStale: 0,
      debugOnly: false,
      deleteBranch: false,
      exemptIssueLabels: '',
      exemptPrLabels: '',
      onlyLabels: '',
      operationsPerRun: 0,
      removeStaleWhenUpdated: false,
      repoToken: '',
      skipStaleIssueMessage: false,
      skipStalePrMessage: false,
      staleIssueLabel: '',
      staleIssueMessage: '',
      stalePrLabel: '',
      stalePrMessage: '',
      startDate: undefined,
      exemptIssueMilestones: '',
      exemptPrMilestones: '',
      exemptMilestones: ''
    };
    issueInterface = {
      created_at: '',
      locked: false,
      milestone: undefined,
      number: 0,
      pull_request: undefined,
      state: '',
      title: '',
      updated_at: '',
      labels: []
    };
  });
  describe('shouldExemptMilestones()', (): void => {
    describe('when the given issue is not a pull request', (): void => {
      beforeEach((): void => {
        issueInterface.pull_request = undefined;
      });
      describe('when the given options are not configured to exempt a milestone', (): void => {
        beforeEach((): void => {
          optionsInterface.exemptMilestones = '';
        });
        describe('when the given options are not configured to exempt an issue milestone', (): void => {
          beforeEach((): void => {
            optionsInterface.exemptIssueMilestones = '';
          });
          describe('when the given issue does not have a milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = undefined;
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-title'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
        });
        describe('when the given options are configured to exempt an issue milestone', (): void => {
          beforeEach((): void => {
            optionsInterface.exemptIssueMilestones =
              'dummy-exempt-issue-milestone';
          });
          describe('when the given issue does not have a milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = undefined;
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone different than the exempt issue milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-title'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone equaling the exempt issue milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-exempt-issue-milestone'
              };
            });
            it('should return true', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(true);
            });
          });
        });
      });
      describe('when the given options are configured to exempt a milestone', (): void => {
        beforeEach((): void => {
          optionsInterface.exemptMilestones = 'dummy-exempt-milestone';
        });
        describe('when the given options are not configured to exempt an issue milestone', (): void => {
          beforeEach((): void => {
            optionsInterface.exemptIssueMilestones = '';
          });
          describe('when the given issue does not have a milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = undefined;
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone different than the exempt milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-title'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone equaling the exempt milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-exempt-milestone'
              };
            });
            it('should return true', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(true);
            });
          });
        });
        describe('when the given options are configured to exempt an issue milestone', (): void => {
          beforeEach((): void => {
            optionsInterface.exemptIssueMilestones =
              'dummy-exempt-issue-milestone';
          });
          describe('when the given issue does not have a milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = undefined;
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone different than the exempt issue milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-title'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone equaling the exempt issue milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-exempt-issue-milestone'
              };
            });
            it('should return true', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(true);
            });
          });
          describe('when the given issue does have a milestone different than the exempt milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-title'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone equaling the exempt milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-exempt-milestone'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
        });
      });
    });
    describe('when the given issue is a pull request', (): void => {
      beforeEach((): void => {
        issueInterface.pull_request = {};
      });
      describe('when the given options are not configured to exempt a milestone', (): void => {
        beforeEach((): void => {
          optionsInterface.exemptMilestones = '';
        });
        describe('when the given options are not configured to exempt a pull request milestone', (): void => {
          beforeEach((): void => {
            optionsInterface.exemptPrMilestones = '';
          });
          describe('when the given issue does not have a milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = undefined;
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-title'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
        });
        describe('when the given options are configured to exempt a pull request milestone', (): void => {
          beforeEach((): void => {
            optionsInterface.exemptPrMilestones = 'dummy-exempt-pr-milestone';
          });
          describe('when the given issue does not have a milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = undefined;
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone different than the exempt pull request milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-title'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone equaling the exempt pull request milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-exempt-pr-milestone'
              };
            });
            it('should return true', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(true);
            });
          });
        });
      });
      describe('when the given options are configured to exempt a milestone', (): void => {
        beforeEach((): void => {
          optionsInterface.exemptMilestones = 'dummy-exempt-milestone';
        });
        describe('when the given options are not configured to exempt a pull request milestone', (): void => {
          beforeEach((): void => {
            optionsInterface.exemptPrMilestones = '';
          });
          describe('when the given issue does not have a milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = undefined;
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone different than the exempt milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-title'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone equaling the exempt milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-exempt-milestone'
              };
            });
            it('should return true', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(true);
            });
          });
        });
        describe('when the given options are configured to exempt a pull request milestone', (): void => {
          beforeEach((): void => {
            optionsInterface.exemptPrMilestones = 'dummy-exempt-pr-milestone';
          });
          describe('when the given issue does not have a milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = undefined;
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone different than the exempt pull request milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-title'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone equaling the exempt pull request milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-exempt-pr-milestone'
              };
            });
            it('should return true', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(true);
            });
          });
          describe('when the given issue does have a milestone different than the exempt milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-title'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
          describe('when the given issue does have a milestone equaling the exempt milestone', (): void => {
            beforeEach((): void => {
              issueInterface.milestone = {
                title: 'dummy-exempt-milestone'
              };
            });
            it('should return false', (): void => {
              expect.assertions(1);
              issue = new Issue(optionsInterface, issueInterface);
              milestones = new Milestones(optionsInterface, issue);
              const result = milestones.shouldExemptMilestones();
              expect(result).toStrictEqual(false);
            });
          });
        });
      });
    });
  });
 });
--- a/src/classes/milestones.ts
+++ b/src/classes/milestones.ts
@@ -1,59 +0,0 @@
 import deburr from 'lodash.deburr';
 import {wordsToList} from '../functions/words-to-list';
 import {IssueProcessorOptions} from '../IssueProcessor';
 import {Issue} from './issue';
 type CleanMilestone = string;
 export class Milestones {
  private static _cleanMilestone(label: Readonly<string>): CleanMilestone {
    return deburr(label.toLowerCase());
  }
  private readonly _options: IssueProcessorOptions;
  private readonly _issue: Issue;
  constructor(options: Readonly<IssueProcessorOptions>, issue: Issue) {
    this._options = options;
    this._issue = issue;
  }
  shouldExemptMilestones(): boolean {
    const exemptMilestones: string[] = this._getExemptMilestones();
    return exemptMilestones.some((exemptMilestone: Readonly<string>): boolean =>
      this._hasMilestone(exemptMilestone)
    );
  }
  private _getExemptMilestones(): string[] {
    return wordsToList(
      this._issue.isPullRequest
        ? this._getExemptPullRequestMilestones()
        : this._getExemptIssueMilestones()
    );
  }
  private _getExemptIssueMilestones(): string {
    return this._options.exemptIssueMilestones !== ''
      ? this._options.exemptIssueMilestones
      : this._options.exemptMilestones;
  }
  private _getExemptPullRequestMilestones(): string {
    return this._options.exemptPrMilestones !== ''
      ? this._options.exemptPrMilestones
      : this._options.exemptMilestones;
  }
  private _hasMilestone(milestone: Readonly<string>): boolean {
    if (!this._issue.milestone) {
      return false;
    }
    return (
      Milestones._cleanMilestone(milestone) ===
      Milestones._cleanMilestone(this._issue.milestone.title)
    );
  }
 }
--- a/src/enums/issue-type.ts
+++ b/src/enums/issue-type.ts
@@ -1,4 +0,0 @@
 export enum IssueType {
  Issue = 'issue',
  PullRequest = 'pr'
 }
--- a/src/functions/dates/get-humanized-date.spec.ts
+++ b/src/functions/dates/get-humanized-date.spec.ts
@@ -1,33 +0,0 @@
 import {getHumanizedDate} from './get-humanized-date';
 describe('getHumanizedDate()', (): void => {
  let date: Date;
  describe('when the given date is the 1st of april 2020', (): void => {
    beforeEach((): void => {
      date = new Date(2020, 3, 1);
    });
    it('should return the date formatted as DD-MM-YYYY', (): void => {
      expect.assertions(1);
      const result = getHumanizedDate(date);
      expect(result).toStrictEqual('01-04-2020');
    });
  });
  describe('when the given date is the 18st of december 2020', (): void => {
    beforeEach((): void => {
      date = new Date(2020, 11, 18);
    });
    it('should return the date formatted as DD-MM-YYYY', (): void => {
      expect.assertions(1);
      const result = getHumanizedDate(date);
      expect(result).toStrictEqual('18-12-2020');
    });
  });
 });
--- a/src/functions/dates/get-humanized-date.ts
+++ b/src/functions/dates/get-humanized-date.ts
@@ -1,17 +0,0 @@
 import {HumanizedDate} from '../../types/humanized-date';
 export function getHumanizedDate(date: Readonly<Date>): HumanizedDate {
  const year: number = date.getFullYear();
  let month = `${date.getMonth() + 1}`;
  let day = `${date.getDate()}`;
  if (month.length < 2) {
    month = `0${month}`;
  }
  if (day.length < 2) {
    day = `0${day}`;
  }
  return [day, month, year].join('-');
 }
--- a/src/functions/dates/is-date-more-recent-than.spec.ts
+++ b/src/functions/dates/is-date-more-recent-than.spec.ts
@@ -1,51 +0,0 @@
 import {isDateMoreRecentThan} from './is-date-more-recent-than';
 describe('isDateMoreRecentThan()', (): void => {
  let date: Date;
  let comparedDate: Date;
  describe('when the given date is older than the compared date', (): void => {
    beforeEach((): void => {
      date = new Date(2020, 0, 20);
      comparedDate = new Date(2021, 0, 20);
    });
    it('should return false', (): void => {
      expect.assertions(1);
      const result = isDateMoreRecentThan(date, comparedDate);
      expect(result).toStrictEqual(false);
    });
  });
  describe('when the given date is equal to the compared date', (): void => {
    beforeEach((): void => {
      date = new Date(2020, 0, 20);
      comparedDate = new Date(2020, 0, 20);
    });
    it('should return false', (): void => {
      expect.assertions(1);
      const result = isDateMoreRecentThan(date, comparedDate);
      expect(result).toStrictEqual(false);
    });
  });
  describe('when the given date is more recent than the compared date', (): void => {
    beforeEach((): void => {
      date = new Date(2021, 0, 20);
      comparedDate = new Date(2020, 0, 20);
    });
    it('should return true', (): void => {
      expect.assertions(1);
      const result = isDateMoreRecentThan(date, comparedDate);
      expect(result).toStrictEqual(true);
    });
  });
 });
--- a/src/functions/dates/is-date-more-recent-than.ts
+++ b/src/functions/dates/is-date-more-recent-than.ts
@@ -1,6 +0,0 @@
 export function isDateMoreRecentThan(
  date: Readonly<Date>,
  comparedDate: Readonly<Date>
 ): boolean {
  return date > comparedDate;
 }
--- a/src/functions/dates/is-valid-date.spec.ts
+++ b/src/functions/dates/is-valid-date.spec.ts
@@ -1,61 +0,0 @@
 import {isValidDate} from './is-valid-date';
 describe('isValidDate()', (): void => {
  let date: Date;
  describe('when the given date is an invalid date', (): void => {
    beforeEach((): void => {
      date = new Date('16-04-1994');
    });
    it('should return false', (): void => {
      expect.assertions(1);
      const result = isValidDate(date);
      expect(result).toStrictEqual(false);
    });
  });
  describe('when the given date is a new date', (): void => {
    beforeEach((): void => {
      date = new Date();
    });
    it('should return true', (): void => {
      expect.assertions(1);
      const result = isValidDate(date);
      expect(result).toStrictEqual(true);
    });
  });
  describe('when the given date is an ISO and valid date', (): void => {
    beforeEach((): void => {
      date = new Date('2011-04-22T13:33:48Z');
    });
    it('should return true', (): void => {
      expect.assertions(1);
      const result = isValidDate(date);
      expect(result).toStrictEqual(true);
    });
  });
  describe('when the given date is an ISO with ms and valid date', (): void => {
    beforeEach((): void => {
      date = new Date('2011-10-05T14:48:00.000Z');
    });
    it('should return true', (): void => {
      expect.assertions(1);
      const result = isValidDate(date);
      expect(result).toStrictEqual(true);
    });
  });
 });
--- a/src/functions/dates/is-valid-date.ts
+++ b/src/functions/dates/is-valid-date.ts
@@ -1,18 +0,0 @@
 /**
 * @description
 * Check if a date is valid
 *
 * @see
 * https://stackoverflow.com/a/1353711/4440414
 *
 * @param {Readonly<Date>} date The date to check
 *
 * @returns {boolean} true when the given date is valid
 */
 export function isValidDate(date: Readonly<Date>): boolean {
  if (Object.prototype.toString.call(date) === '[object Date]') {
    return !isNaN(date.getTime());
  }
  return false;
 }
--- a/src/functions/get-issue-type.spec.ts
+++ b/src/functions/get-issue-type.spec.ts
@@ -1,33 +0,0 @@
 import {getIssueType} from './get-issue-type';
 describe('getIssueType()', (): void => {
  let isPullRequest: boolean;
  describe('when the issue is a not pull request', (): void => {
    beforeEach((): void => {
      isPullRequest = false;
    });
    it('should return that the issue is really an issue', (): void => {
      expect.assertions(1);
      const result = getIssueType(isPullRequest);
      expect(result).toStrictEqual('issue');
    });
  });
  describe('when the issue is a pull request', (): void => {
    beforeEach((): void => {
      isPullRequest = true;
    });
    it('should return that the issue is a pull request', (): void => {
      expect.assertions(1);
      const result = getIssueType(isPullRequest);
      expect(result).toStrictEqual('pr');
    });
  });
 });
--- a/src/functions/get-issue-type.ts
+++ b/src/functions/get-issue-type.ts
@@ -1,5 +0,0 @@
 import {IssueType} from '../enums/issue-type';
 export function getIssueType(isPullRequest: Readonly<boolean>): IssueType {
  return isPullRequest ? IssueType.PullRequest : IssueType.Issue;
 }
--- a/src/functions/is-labeled.spec.ts
+++ b/src/functions/is-labeled.spec.ts
@@ -1,4 +1,4 @@
-import {Issue} from '../classes/issue';
+import {Issue} from '../IssueProcessor';
 import {isLabeled} from './is-labeled';
 describe('isLabeled()', (): void => {
--- a/src/functions/is-labeled.ts
+++ b/src/functions/is-labeled.ts
@@ -1,16 +1,16 @@
 import deburr from 'lodash.deburr';
-import {Issue} from '../classes/issue';
+import {Issue, Label} from '../IssueProcessor';
-import {Label} from '../IssueProcessor';
+
-import {CleanLabel} from '../types/clean-label';
+type CleanLabel = string;
 /**
 * @description
- * Check if the given label is listed as a label of the given issue
+ * Check if the label is listed as a label of the issue
 *
 * @param {Readonly<Issue>} issue A GitHub issue containing some labels
 * @param {Readonly<string>} label The label to check the presence with
 *
- * @return {boolean} Return true when the given label is also in the given issue labels
+ * @return {boolean} Return true when the given label is also in the issue labels
 */
 export function isLabeled(
  issue: Readonly<Issue>,
--- a/src/functions/is-pull-request.spec.ts
+++ b/src/functions/is-pull-request.spec.ts
@@ -1,57 +0,0 @@
 import {Issue} from '../classes/issue';
 import {isPullRequest} from './is-pull-request';
 describe('isPullRequest()', (): void => {
  let issue: Issue;
  describe('when the given issue has an undefined pull request', (): void => {
    beforeEach((): void => {
      issue = {
        pull_request: undefined
      } as Issue;
    });
    it('should return false', (): void => {
      expect.assertions(1);
      const result = isPullRequest(issue);
      expect(result).toStrictEqual(false);
    });
  });
  describe('when the given issue has a null pull request', (): void => {
    beforeEach((): void => {
      issue = {
        pull_request: null
      } as Issue;
    });
    it('should return false', (): void => {
      expect.assertions(1);
      const result = isPullRequest(issue);
      expect(result).toStrictEqual(false);
    });
  });
  describe.each([{}, true])(
    'when the given issue has pull request',
    (value): void => {
      beforeEach((): void => {
        issue = {
          pull_request: value
        } as Issue;
      });
      it('should return true', (): void => {
        expect.assertions(1);
        const result = isPullRequest(issue);
        expect(result).toStrictEqual(true);
      });
    }
  );
 });
--- a/src/functions/is-pull-request.ts
+++ b/src/functions/is-pull-request.ts
@@ -1,5 +0,0 @@
 import {Issue} from '../classes/issue';
 export function isPullRequest(issue: Readonly<Issue>): boolean {
  return !!issue.pull_request;
 }
--- a/src/functions/labels-to-list.spec.ts
+++ b/src/functions/labels-to-list.spec.ts
@@ -0,0 +1,141 @@
 import {labelsToList} from './labels-to-list';
 describe('labelsToList()', (): void => {
  let labels: string;
  describe('when the given labels is empty', (): void => {
    beforeEach((): void => {
      labels = '';
    });
    it('should return an empty list of labels', (): void => {
      expect.assertions(1);
      const result = labelsToList(labels);
      expect(result).toStrictEqual([]);
    });
  });
  describe('when the given labels is a simple label', (): void => {
    beforeEach((): void => {
      labels = 'label';
    });
    it('should return a list of one label', (): void => {
      expect.assertions(1);
      const result = labelsToList(labels);
      expect(result).toStrictEqual(['label']);
    });
  });
  describe('when the given labels is a label with extra spaces before and after', (): void => {
    beforeEach((): void => {
      labels = '   label   ';
    });
    it('should return a list of one label and remove all spaces before and after', (): void => {
      expect.assertions(1);
      const result = labelsToList(labels);
      expect(result).toStrictEqual(['label']);
    });
  });
  describe('when the given labels is a kebab case label', (): void => {
    beforeEach((): void => {
      labels = 'kebab-case-label';
    });
    it('should return a list of one label', (): void => {
      expect.assertions(1);
      const result = labelsToList(labels);
      expect(result).toStrictEqual(['kebab-case-label']);
    });
  });
  describe('when the given labels is two kebab case labels separated with a comma', (): void => {
    beforeEach((): void => {
      labels = 'kebab-case-label-1,kebab-case-label-2';
    });
    it('should return a list of two labels', (): void => {
      expect.assertions(1);
      const result = labelsToList(labels);
      expect(result).toStrictEqual([
        'kebab-case-label-1',
        'kebab-case-label-2'
      ]);
    });
  });
  describe('when the given labels is a multiple word label', (): void => {
    beforeEach((): void => {
      labels = 'label like a sentence';
    });
    it('should return a list of one label', (): void => {
      expect.assertions(1);
      const result = labelsToList(labels);
      expect(result).toStrictEqual(['label like a sentence']);
    });
  });
  describe('when the given labels is two multiple word labels separated with a comma', (): void => {
    beforeEach((): void => {
      labels = 'label like a sentence, another label like a sentence';
    });
    it('should return a list of two labels', (): void => {
      expect.assertions(1);
      const result = labelsToList(labels);
      expect(result).toStrictEqual([
        'label like a sentence',
        'another label like a sentence'
      ]);
    });
  });
  describe('when the given labels is a multiple word label with %20 spaces', (): void => {
    beforeEach((): void => {
      labels = 'label%20like%20a%20sentence';
    });
    it('should return a list of one label', (): void => {
      expect.assertions(1);
      const result = labelsToList(labels);
      expect(result).toStrictEqual(['label%20like%20a%20sentence']);
    });
  });
  describe('when the given labels is two multiple word labels with %20 spaces separated with a comma', (): void => {
    beforeEach((): void => {
      labels =
        'label%20like%20a%20sentence,another%20label%20like%20a%20sentence';
    });
    it('should return a list of two labels', (): void => {
      expect.assertions(1);
      const result = labelsToList(labels);
      expect(result).toStrictEqual([
        'label%20like%20a%20sentence',
        'another%20label%20like%20a%20sentence'
      ]);
    });
  });
 });
--- a/src/functions/labels-to-list.ts
+++ b/src/functions/labels-to-list.ts
@@ -0,0 +1,23 @@
 /**
 * @description
 * Transform a string of comma separated labels
 * to an array of labels
 *
 * @example
 * labelsToList('label') => ['label']
 * labelsToList('label,label') => ['label', 'label']
 * labelsToList('kebab-label') => ['kebab-label']
 * labelsToList('kebab%20label') => ['kebab%20label']
 * labelsToList('label with words') => ['label with words']
 *
 * @param {Readonly<string>} labels A string of comma separated labels
 *
 * @return {string[]} A list of labels
 */
 export function labelsToList(labels: Readonly<string>): string[] {
  if (!labels.length) {
    return [];
  }
  return labels.split(',').map(l => l.trim());
 }
--- a/src/functions/should-mark-when-stale.spec.ts
+++ b/src/functions/should-mark-when-stale.spec.ts
@@ -1,47 +0,0 @@
 import {shouldMarkWhenStale} from './should-mark-when-stale';
 describe('shouldMarkWhenStale()', (): void => {
  let daysBeforeStale: number;
  describe('when the given number of days indicate that it should be stalled', (): void => {
    beforeEach((): void => {
      daysBeforeStale = -1;
    });
    it('should return false', (): void => {
      expect.assertions(1);
      const result = shouldMarkWhenStale(daysBeforeStale);
      expect(result).toStrictEqual(false);
    });
  });
  describe('when the given number of days indicate that it should be stalled today', (): void => {
    beforeEach((): void => {
      daysBeforeStale = 0;
    });
    it('should return true', (): void => {
      expect.assertions(1);
      const result = shouldMarkWhenStale(daysBeforeStale);
      expect(result).toStrictEqual(true);
    });
  });
  describe('when the given number of days indicate that it should be stalled tomorrow', (): void => {
    beforeEach((): void => {
      daysBeforeStale = 1;
    });
    it('should return true', (): void => {
      expect.assertions(1);
      const result = shouldMarkWhenStale(daysBeforeStale);
      expect(result).toStrictEqual(true);
    });
  });
 });
--- a/src/functions/should-mark-when-stale.ts
+++ b/src/functions/should-mark-when-stale.ts
@@ -1,5 +0,0 @@
 export function shouldMarkWhenStale(
  daysBeforeStale: Readonly<number>
 ): boolean {
  return daysBeforeStale >= 0;
 }
--- a/src/functions/words-to-list.spec.ts
+++ b/src/functions/words-to-list.spec.ts
@@ -1,137 +0,0 @@
 import {wordsToList} from './words-to-list';
 describe('wordsToList()', (): void => {
  let words: string;
  describe('when the given words is empty', (): void => {
    beforeEach((): void => {
      words = '';
    });
    it('should return an empty list of words', (): void => {
      expect.assertions(1);
      const result = wordsToList(words);
      expect(result).toStrictEqual([]);
    });
  });
  describe('when the given words is a simple word', (): void => {
    beforeEach((): void => {
      words = 'word';
    });
    it('should return a list of one word', (): void => {
      expect.assertions(1);
      const result = wordsToList(words);
      expect(result).toStrictEqual(['word']);
    });
  });
  describe('when the given words is a word with extra spaces before and after', (): void => {
    beforeEach((): void => {
      words = '   word   ';
    });
    it('should return a list of one word and remove all spaces before and after', (): void => {
      expect.assertions(1);
      const result = wordsToList(words);
      expect(result).toStrictEqual(['word']);
    });
  });
  describe('when the given words is a kebab case word', (): void => {
    beforeEach((): void => {
      words = 'kebab-case-word';
    });
    it('should return a list of one word', (): void => {
      expect.assertions(1);
      const result = wordsToList(words);
      expect(result).toStrictEqual(['kebab-case-word']);
    });
  });
  describe('when the given words is two kebab case words separated with a comma', (): void => {
    beforeEach((): void => {
      words = 'kebab-case-word-1,kebab-case-word-2';
    });
    it('should return a list of two words', (): void => {
      expect.assertions(1);
      const result = wordsToList(words);
      expect(result).toStrictEqual(['kebab-case-word-1', 'kebab-case-word-2']);
    });
  });
  describe('when the given words is a multiple word word', (): void => {
    beforeEach((): void => {
      words = 'word like a sentence';
    });
    it('should return a list of one word', (): void => {
      expect.assertions(1);
      const result = wordsToList(words);
      expect(result).toStrictEqual(['word like a sentence']);
    });
  });
  describe('when the given words is two multiple word words separated with a comma', (): void => {
    beforeEach((): void => {
      words = 'word like a sentence, another word like a sentence';
    });
    it('should return a list of two words', (): void => {
      expect.assertions(1);
      const result = wordsToList(words);
      expect(result).toStrictEqual([
        'word like a sentence',
        'another word like a sentence'
      ]);
    });
  });
  describe('when the given words is a multiple word word with %20 spaces', (): void => {
    beforeEach((): void => {
      words = 'word%20like%20a%20sentence';
    });
    it('should return a list of one word', (): void => {
      expect.assertions(1);
      const result = wordsToList(words);
      expect(result).toStrictEqual(['word%20like%20a%20sentence']);
    });
  });
  describe('when the given words is two multiple word words with %20 spaces separated with a comma', (): void => {
    beforeEach((): void => {
      words = 'word%20like%20a%20sentence,another%20word%20like%20a%20sentence';
    });
    it('should return a list of two words', (): void => {
      expect.assertions(1);
      const result = wordsToList(words);
      expect(result).toStrictEqual([
        'word%20like%20a%20sentence',
        'another%20word%20like%20a%20sentence'
      ]);
    });
  });
 });
--- a/src/functions/words-to-list.ts
+++ b/src/functions/words-to-list.ts
@@ -1,23 +0,0 @@
 /**
 * @description
 * Transform a string of comma separated words
 * to an array of words
 *
 * @example
 * wordsToList('label') => ['label']
 * wordsToList('label,label') => ['label', 'label']
 * wordsToList('kebab-label') => ['kebab-label']
 * wordsToList('kebab%20label') => ['kebab%20label']
 * wordsToList('label with words') => ['label with words']
 *
 * @param {Readonly<string>} words A string of comma separated words
 *
 * @return {string[]} A list of words
 */
 export function wordsToList(words: Readonly<string>): string[] {
  if (!words.length) {
    return [];
  }
  return words.split(',').map((word: Readonly<string>): string => word.trim());
 }
--- a/src/interfaces/issue.ts
+++ b/src/interfaces/issue.ts
@@ -1,15 +0,0 @@
 import {Label} from '../IssueProcessor';
 import {IsoDateString} from '../types/iso-date-string';
 import {IMilestone} from './milestone';
 export interface IIssue {
  title: string;
  number: number;
  created_at: IsoDateString;
  updated_at: IsoDateString;
  labels: Label[];
  pull_request: Object | null | undefined;
  state: string;
  locked: boolean;
  milestone: IMilestone | undefined;
 }
--- a/src/interfaces/milestone.ts
+++ b/src/interfaces/milestone.ts
@@ -1,3 +0,0 @@
 export interface IMilestone {
  title: string;
 }
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,5 +1,4 @@
 import * as core from '@actions/core';
 import {isValidDate} from './functions/dates/is-valid-date';
 import {IssueProcessor, IssueProcessorOptions} from './IssueProcessor';
 async function run(): Promise<void> {
@@ -15,7 +14,7 @@ async function run(): Promise<void> {
 }
 function getAndValidateArgs(): IssueProcessorOptions {
-  const args: IssueProcessorOptions = {
+  const args = {
    repoToken: core.getInput('repo-token'),
    staleIssueMessage: core.getInput('stale-issue-message'),
    stalePrMessage: core.getInput('stale-pr-message'),
@@ -24,13 +23,9 @@ function getAndValidateArgs(): IssueProcessorOptions {
    daysBeforeStale: parseInt(
      core.getInput('days-before-stale', {required: true})
    ),
    daysBeforeIssueStale: parseInt(core.getInput('days-before-issue-stale')),
    daysBeforePrStale: parseInt(core.getInput('days-before-pr-stale')),
    daysBeforeClose: parseInt(
      core.getInput('days-before-close', {required: true})
    ),
    daysBeforeIssueClose: parseInt(core.getInput('days-before-issue-close')),
    daysBeforePrClose: parseInt(core.getInput('days-before-pr-close')),
    staleIssueLabel: core.getInput('stale-issue-label', {required: true}),
    closeIssueLabel: core.getInput('close-issue-label'),
    exemptIssueLabels: core.getInput('exempt-issue-labels'),
@@ -48,14 +43,7 @@ function getAndValidateArgs(): IssueProcessorOptions {
    ascending: core.getInput('ascending') === 'true',
    skipStalePrMessage: core.getInput('skip-stale-pr-message') === 'true',
    skipStaleIssueMessage: core.getInput('skip-stale-issue-message') === 'true',
-    deleteBranch: core.getInput('delete-branch') === 'true',
+    deleteBranch: core.getInput('delete-branch') === 'true'
    startDate:
      core.getInput('start-date') !== ''
        ? core.getInput('start-date')
        : undefined,
    exemptMilestones: core.getInput('exempt-milestones'),
    exemptIssueMilestones: core.getInput('exempt-issue-milestones'),
    exemptPrMilestones: core.getInput('exempt-pr-milestones')
  };
  for (const numberInput of [
@@ -68,17 +56,6 @@ function getAndValidateArgs(): IssueProcessorOptions {
    }
  }
  for (const optionalDateInput of ['start-date']) {
    // Ignore empty dates because it is considered as the right type for a default value (so a valid one)
    if (core.getInput(optionalDateInput) !== '') {
      if (!isValidDate(new Date(core.getInput(optionalDateInput)))) {
        throw new Error(
          `input ${optionalDateInput} did not parse to a valid date`
        );
      }
    }
  }
  return args;
 }
--- a/src/types/clean-label.ts
+++ b/src/types/clean-label.ts
@@ -1 +0,0 @@
 export type CleanLabel = string;
--- a/src/types/humanized-date.ts
+++ b/src/types/humanized-date.ts
@@ -1 +0,0 @@
 export type HumanizedDate = string;
--- a/src/types/iso-date-string.ts
+++ b/src/types/iso-date-string.ts
@@ -1 +0,0 @@
 export type IsoDateString = string;
--- a/src/types/iso-or-rfc-date-string.ts
+++ b/src/types/iso-or-rfc-date-string.ts
@@ -1 +0,0 @@
 export type IsoOrRfcDateString = string;
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,13 +1,13 @@
 {
  "compilerOptions": {
-    "target": "es6" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
+    "target": "es6",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
-    "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
+    "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
-    "outDir": "./lib" /* Redirect output structure to the directory. */,
+    "outDir": "./lib",                        /* Redirect output structure to the directory. */
-    "rootDir": "./src" /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */,
+    "rootDir": "./src",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
-    "strict": true /* Enable all strict type-checking options. */,
+    "strict": true,                           /* Enable all strict type-checking options. */
-    "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
+    "noImplicitAny": true,                    /* Raise error on expressions and declarations with an implied 'any' type. */
-    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    "esModuleInterop": true,                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    //"sourceMap": true
  },
  "exclude": ["node_modules", "**/*.test.ts"]
-}
+}