.github/workflows/deploy-to-gh-pages.yml

name: Build & Deploy Examples To Staging
#description: Deploys examples to Github pages staging environment

on:
  workflow_dispatch:
    inputs:
      negotiatorBranch:
        description: "Use a specific branch from token-negotiator repo"
        required: false
        default: "none"
        type: choice
        options:
          - "none"
          - staging
          - main
          - patch
  push:
    branches:
      - staging

jobs:
  build:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        node-version: [16.x]

    steps:
      - uses: actions/checkout@v3

      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node-version }}
          cache: "npm"
          cache-dependency-path: "**/package-lock.json"
          registry-url: 'https://npm.pkg.github.com'

      - name: Build
        run: |
          
          npm install
          
          if [[ "${GITHUB_EVENT_NAME}" = push ]]; then
            NEGOTIATOR_BRANCH="${GITHUB_REF_NAME}"
          fi
          if [[ ! -z $NEGOTIATOR_BRANCH && $NEGOTIATOR_BRANCH != "none" ]]; then
            echo "Negotiator branch $NEGOTIATOR_BRANCH requested, updating package.json files"
            scripts/use_negotiator_branch.js $NEGOTIATOR_BRANCH
          fi
          
          export BASE_PATH=/token-negotiator-examples/ecommerce-store-website
          export MAX_PROCESSES=5
        
          npm run install-examples
          npm run clean
          npm run build
          npm run copy-artifacts
          
          short_sha="${GITHUB_SHA:0:7}"
          build_version="${GITHUB_REF_NAME}-${short_sha}"
          build_time="$(date --utc --iso-8601=seconds)"
          find build/ -name index.html -print0 |\
            xargs -0 -r \
            sed -i "s/<head>/<head><meta name=\"build-version\" content=\"${build_version}\"><meta name=\"build-time\" content=\"${build_time}\">/"
        env:
          NEGOTIATOR_BRANCH: ${{ inputs.negotiatorBranch }}
          NODE_AUTH_TOKEN: ${{ github.token }}

      - uses: actions/upload-artifact@v3
        with:
          name: build
          path: build

  deploy:
    runs-on: ubuntu-latest
    needs: build

    steps:
      - name: Download artifacts
        uses: actions/download-artifact@v3
        with:
          name: build
          path: build

      - name: Push artifacts to GH pages
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./build