name: PR Docs Build

on: pull_request

jobs:
  build:
    name: Build
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
      fail-fast: false

    env:
      PULL_REQUEST_NUMBER: ${{ github.event.number }}

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup node
        uses: actions/setup-node@v3
        with:
          node-version: '16'
          registry-url: https://registry.npmjs.com/

      - name: Setup pnpm
        uses: pnpm/action-setup@v2
        with:
          version: latest

      - name: Cache ~/.pnpm-store
        uses: actions/cache@v3
        env:
          cache-name: cache-pnpm-store
        with:
          path: ~/.pnpm-store
          key: ${{ runner.os }}-preview-${{ env.cache-name }}-${{ hashFiles('**/pnpm-lock.yaml') }}
          restore-keys: |
            ${{ runner.os }}-preview-${{ env.cache-name }}-
            ${{ runner.os }}-preview-
            ${{ runner.os }}-

      - name: Install dependencies
        run: pnpm i --frozen-lockfile

      - name: Generate common locale
        run: pnpm docs:gen-locale

      - name: Build Element Plus
        run: pnpm build
        env:
          FORCE_COLOR: 2

      - name: Build website
        run: pnpm docs:build
        env:
          DOC_ENV: preview

      # share website dist
      - name: Upload artifact
        if: matrix.os == 'ubuntu-latest'
        uses: actions/upload-artifact@v3
        with:
          name: docs
          path: docs/.vitepress/dist/
          retention-days: 1

      # write pr.txt for share
      - name: Save pr number
        if: matrix.os == 'ubuntu-latest'
        run: echo ${PULL_REQUEST_NUMBER} > ./pr.txt

      # share pr number
      - name: Upload pr number
        if: matrix.os == 'ubuntu-latest'
        uses: actions/upload-artifact@v3
        with:
          name: pr
          path: ./pr.txt
          retention-days: 1