eslint.yml

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.
# ESLint is a tool for identifying and reporting on patterns
# found in ECMAScript/JavaScript code.
# More details at https://github.com/eslint/eslint
# and https://eslint.org

name: ESLint

on:
  pull_request:
    branches-ignore:
      - 2.*
      - 3.*
      - 4.*

jobs:
  linter:
    name: Ensure the code format on the changed files
    runs-on: ubuntu-latest
    steps:
      # https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-nodejs
      - name: Checkout code
        uses: actions/checkout@v3

      # - https://github.com/actions/setup-node/blob/main/docs/advanced-usage.md#node-version-file
      - name: Install NodeJS
        uses: actions/setup-node@v3
        with:
          node-version-file: '.nvmrc'

      - name: Verify the changed files
        run: |
          REMOTE_NAME=origin
          echo "Base ref: $GITHUB_BASE_REF"
          echo "Head ref: $GITHUB_HEAD_REF"
          echo "Fetching branch: $GITHUB_BASE_REF"
          git fetch origin $GITHUB_BASE_REF
          echo "Fetching branch: $GITHUB_HEAD_REF"
          git fetch origin $GITHUB_HEAD_REF
          echo "Listing branches"
          git branch -a
          echo "Getting diff files ignoring deleted and getting the changed or renamed files"
          CHANGED_FILES=$(git diff --name-status --diff-filter d ${REMOTE_NAME}/${GITHUB_BASE_REF}..${REMOTE_NAME}/${GITHUB_HEAD_REF} | awk '{print $NF}' | grep -E '.*\.[jt]sx?$')
          echo "Changed files:"
          echo "${CHANGED_FILES}"
          git checkout $GITHUB_HEAD_REF
          echo "Installing dependencies"
          yarn
          echo "Running eslint on the changed files"
          npx eslint ${CHANGED_FILES}