deploy.yml

name: Deploy to GitHub Pages

on:
  push:
分支: [main]
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: "pages"
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Detect package manager and project dir
        id: detect
        run: |
          if [ -f "package.json" ]; then
            ROOT="."
          elif [ -f "frontend/package.json" ]; then
            ROOT="frontend"
          elif [ -f "app/package.json" ]; then
            ROOT="app"
          elif [ -f "web/package.json" ]; then
            ROOT="web"
          else
            ROOT=$(find . -maxdepth 3 -name package.json -not -path "*/node_modules/*" | head -n1 | xargs -r dirname)
            [ -z "$ROOT" ] && ROOT="."
          fi
          echo "root=$ROOT" >> $GITHUB_OUTPUT

          if [ -f "$ROOT/pnpm-lock.yaml" ]; then
            PM="pnpm"; LOCK="$ROOT/pnpm-lock.yaml"
          elif [ -f "$ROOT/yarn.lock" ]; then
            PM="yarn"; LOCK="$ROOT/yarn.lock"
          elif [ -f "$ROOT/package-lock.json" ]; then
            PM="npm"; LOCK="$ROOT/package-lock.json"
          elif [ -f "$ROOT/package.json" ]; then
            PM="npm"; LOCK=""   # 有 package.json 但无锁文件
          else
            PM="none"; LOCK=""
          fi
          echo "pm=$PM" >> $GITHUB_OUTPUT
          echo "lock=$LOCK" >> $GITHUB_OUTPUT
          echo "Detected: root=$ROOT, pm=$PM, lock=$LOCK"

      - name: Setup pnpm
        if: steps.detect.outputs.pm == 'pnpm'
        uses: pnpm/action-setup@v4
        with:
          version: 9

      - name: Setup Node (with cache)
        if: steps.detect.outputs.lock != ''
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: ${{ steps.detect.outputs.pm }}
          cache-dependency-path: ${{ steps.detect.outputs.lock }}

      - name: Setup Node (no cache)
        if: steps.detect.outputs.lock == ''
        uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Install dependencies
        working-directory: ${{ steps.detect.outputs.root }}
        run: |
          case "${{ steps.detect.outputs.pm }}" in
            pnpm) pnpm install --frozen-lockfile || pnpm install ;;
            yarn) yarn install --frozen-lockfile || yarn install ;;
            npm)
              if [ -f package-lock.json ]; then npm ci; else npm install; fi
              ;;
            *)
              echo "No package.json found, skip install";;
          esac

      - name: Build
        id: build
        working-directory: ${{ steps.detect.outputs.root }}
        run: |
          if [ ! -f package.json ]; then
            echo "No build step, using root as output"
            echo "output=${{ steps.detect.outputs.root }}" >> $GITHUB_OUTPUT
            exit 0
          fi

          if node -e "const s=require('./package.json').scripts||{}; process.exit(s.build?0:1)"; then
            npm run build
          elif node -e "const s=require('./package.json').scripts||{}; process.exit(s.docs:build?0:1)"; then
            npm run docs:build
          else
            echo "No build script found"; exit 1
          fi

          for d in dist out build public _site docs/.vitepress/dist .vitepress/dist; do
            if [ -d "$d" ]; then
              echo "output=${{ steps.detect.outputs.root }}/$d" >> $GITHUB_OUTPUT
              exit 0
            fi
          done
          echo "output=${{ steps.detect.outputs.root }}" >> $GITHUB_OUTPUT

      - name: Setup Pages
        uses: actions/configure-pages@v5

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: ${{ steps.build.outputs.output }}

  deploy:
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4