.github/workflows/test.yml

name: Test

on:
  push:
    branches:
      - main
  pull_request:

permissions:
  contents: read

env:
  FORCE_COLOR: 3

jobs:
  format:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Setup Node
        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
        with:
          node-version-file: ".nvmrc"
          cache: npm
          package-manager-cache: true

      - run: npm ci

      - run: npx eslint .

      - run: npx prettier --check .

      - run: npx --package=typescript tsc --noEmit

  lint:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Setup Node
        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
        with:
          node-version-file: ".nvmrc"
          cache: npm
          package-manager-cache: true

      - run: npm ci

      - name: Lint
        id: lint
        run: npm run lint -- --fail-on-warnings

      - name: Fix lint issues
        id: lint-fix
        if: failure() && steps.lint.conclusion == 'failure'
        run: |
          npm run lint:fix
          if [[ -n $(git diff) ]]; then
            echo "files_modified=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Collect artifact files
        if: failure() && steps.lint-fix.outputs.files_modified == 'true'
        run: |
          mkdir -p lint-results
          git diff > lint-results/lint.diff

      - name: Upload artifact
        if: failure() && steps.lint-fix.outputs.files_modified == 'true'
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: lint-results
          path: lint-results

  test:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Setup Node
        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
        with:
          node-version-file: ".nvmrc"
          cache: npm
          package-manager-cache: true

      - run: npm ci

      - run: npm run unittest

  diff-build:
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest

    concurrency:
      group: ${{ github.workflow }}-${{ github.event.pull_request.number }}-diff-build
      cancel-in-progress: true

    steps:
      - name: Determine base ref
        id: base
        run: |
          if [[ "$GITHUB_HEAD_REF" == "release" ]]; then
            VERSION=$(npm view @mdn/browser-compat-data version)
            echo "ref=v$VERSION" >> "$GITHUB_OUTPUT"
            echo "Comparing release branch against published v$VERSION"
          else
            echo "ref=$GITHUB_BASE_REF" >> "$GITHUB_OUTPUT"
            echo "Comparing against base branch: $GITHUB_BASE_REF"
          fi

      # Base

      - name: Checkout (base)
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          ref: ${{ steps.base.outputs.ref }}
          path: base
          persist-credentials: false

      - name: Checkout (PR)
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          path: pr
          persist-credentials: false

      - name: Setup Node
        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
        with:
          node-version-file: pr/.nvmrc
          cache: npm
          cache-dependency-path: |
            base/package-lock.json
            pr/package-lock.json
          package-manager-cache: true

      - name: Install
        run: |
          # sed command prefixes each line of output with [base] or [pr]
          cd base && npm ci | sed "s/^/[base] /" &
          cd pr && npm ci | sed "s/^/[pr] /" &
          wait

      - name: Format
        run: |
          # sed command prefixes each line of output with [base] or [pr]
          cd base/build && npx prettier --ignore-path /dev/null --write . | sed "s/^/[base] /" &
          cd pr/build && npx prettier --ignore-path /dev/null --write . | sed "s/^/[pr] /" &
          wait

      - name: Diff
        run: git diff --color=always --no-index base/build/ pr/build/ || true