GitHub Action to nudge contributors to convert JavaScript files to TypeScript

nudge-typescript-convert.yml

on:
  pull_request:
    paths:
      - '**.js'
      - '**.jsx'
      - '**.ts'
      - '**.tsx'
name: TypeScript conversion nudge
jobs:
  Nudge-to-convert-to-TypeScript-if-JavaScript-found:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: 🔎 List changed JavaScript files
        id: changed-javascript-files
        uses: tj-actions/changed-files@v32
        with:
          files: |
            **/*.js
            **/*.jsx

      - name: 💬 Post comment to nudge contributor(s) to consider converting files to TypeScript
        if: steps.changed-javascript-files.outputs.modified_files != '' || steps.changed-javascript-files.outputs.added_files != ''
        uses: thollander/actions-comment-pull-request@v1
        with:
          message: 'This pull request adds or modifies JavaScript (`.js`, `.jsx`) files. Consider converting them to TypeScript.'
          comment_includes: 'Consider converting them to TypeScript'
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: 🏷️ Add a label to the PR to help track how many pull requests adds or modifies JavaScript files
        if: steps.changed-javascript-files.outputs.modified_files != '' || steps.changed-javascript-files.outputs.added_files != ''
        uses: actions-ecosystem/action-add-labels@v1
        with:
          labels: 'Adds or modifies js files'

      - name: 💬 Update the comment if JavaScript files were deleted or renamed to .ts / .tsx
        if: contains(github.event.pull_request.labels.*.name, 'Adds or modifies js files') && steps.changed-javascript-files.outputs.modified_files == '' && steps.changed-javascript-files.outputs.added_files == ''
        uses: thollander/actions-comment-pull-request@v1
        with:
          message: |
            ~This pull request adds or modifies JavaScript (`.js`, `.jsx`) files. Consider converting them to TypeScript.~
            Thank you for converting JavaScript files to TypeScript 🎉"
          comment_includes: 'Consider converting them to TypeScript'
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: 🏷️ Remove the label if JavaScript was converted
        if: contains(github.event.pull_request.labels.*.name, 'Adds or modifies js files') && steps.changed-javascript-files.outputs.modified_files == '' && steps.changed-javascript-files.outputs.added_files == ''
        uses: actions-ecosystem/action-remove-labels@v1
        with:
          labels: 'Adds or modifies js files'