lint-i18n.yml

name: Lint I18N

on:
  push:
    paths:
      - '**.js'
      - '**.cjs'
      - '**.ts'
      - '**.tsx'
      - '**/package.json'
      - 'package-lock.json'
      - 'web-stories.php'
      - 'includes/**.php'
      - '.github/workflows/lint-i18n.yml'
    branches:
      - main
  pull_request:
    paths:
      - '**.js'
      - '**.cjs'
      - '**.ts'
      - '**.tsx'
      - '**/package.json'
      - 'package-lock.json'
      - 'web-stories.php'
      - 'includes/**.php'
      - '.github/workflows/lint-i18n.yml'

permissions:
  contents: read

# Cancels all previous workflow runs for pull requests that have not completed.
concurrency:
  # The concurrency group contains the workflow name and the (target) branch name.
  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
  cancel-in-progress: true

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@a4aa98b93cab29d9b1101a6143fb8bce00e2eac4
        with:
          egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs

      - name: Checkout
        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b

      - name: Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: latest
          coverage: none
          tools: wp-cli

      - name: Install latest version of i18n-command
        run: wp package install wp-cli/i18n-command:dev-main

      - name: Setup Node
        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8
        with:
          node-version-file: '.nvmrc'
          cache: npm

      - name: Setup PHP
        uses: shivammathur/setup-php@e6f75134d35752277f093989e72e140eaa222f35
        with:
          php-version: '8.0'
          coverage: none
          tools: composer

      - name: Install dependencies
        run: |
          npm ci
        env:
          PUPPETEER_SKIP_DOWNLOAD: true

      - name: Install PHP dependencies
        uses: ramsey/composer-install@57532f8be5bda426838819c5ee9afb8af389d51a
        with:
          composer-options: '--prefer-dist --no-progress --no-interaction'

      - name: Setup Bun
        uses: oven-sh/setup-bun@8f24390df009a496891208e5e36b8a1de1f45135
        with:
          bun-version: latest

      - name: Build plugin
        run: bun run build:js

      - name: Bundle regular version
        run: bun run workflow:build-plugin

      # Check if as many strings as expected were found.
      # Fail job if `wp i18n make-pot` returns any warnings.
      # Some false positive warnings are removed due to a bug in the string extraction.
      # That's why this step is unfortunately a bit more complex.
      # See https://github.com/wp-cli/i18n-command/issues/154
      - name: Generate POT file
        run: |
          OUTPUT=$((wp i18n make-pot build/web-stories build/web-stories.pot) 2>&1 >/dev/null)

          HAS_ERROR=false

          EXPECTED_NUMBER_OF_STRINGS=1000
          NUMBER_OF_FOUND_STRINGS=$(grep -o msgstr build/web-stories.pot | wc -l | xargs)

          if (( "$NUMBER_OF_FOUND_STRINGS" < "$EXPECTED_NUMBER_OF_STRINGS" )); then
          HAS_ERROR=true
            echo "String extraction found only $NUMBER_OF_FOUND_STRINGS translatable strings. Expected at least $EXPECTED_NUMBER_OF_STRINGS."
          fi

          IFS=$'\n'
          declare -a WARNINGS=($OUTPUT)
          unset IFS

          for WARNING in "${WARNINGS[@]}"; do
            # Filter false positives.
            if [[ $WARNING == *"translator comment"* ]] && [[ $WARNING != *"%s"* ]]; then
              continue
            fi

            HAS_ERROR=true

          	echo $WARNING
          done

          if [[ "$HAS_ERROR" = true ]]; then
            exit 1
          fi