deploy-preview.yml

# https://vercel.com/guides/how-can-i-use-github-actions-with-vercel
name: Deploy preview

on:
  pull_request:
    branches: [ "master" ]

env:
  VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
  VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
  CARGO_TERM_COLOR: always
  GITHUB_SHA: ${{ github.sha }}

jobs:

  fake-build-wasm:

    if: false

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Generate fake ./www/public/out content
      run: sh ./fake-build-wasm.sh
    - name: Cache wasm-bindgen output
      uses: actions/cache@v3
      with:
        path: www/public/out
        key: wasm-${{ github.run_id }}
        restore-keys: wasm-

  build-wasm:

    if: true

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        target: wasm32-unknown-unknown
        override: true
    - name: install wasm-bindgen-cli
      run: |
        cargo install wasm-bindgen-cli@0.2.86
    - name: install wasm-opt
      run: |
        cargo install wasm-opt
    - name: Build
      run: make wasm-build-opt
    - name: Cache wasm-bindgen output
      uses: actions/cache@v3
      with:
        path: www/public/out
        key: wasm-${{ github.run_id }}
        restore-keys: wasm-

  build-www:

    env:
      WEBSITE_BASE_PATH: https://bevy-rust-wasm-experiments.vercel.app

    needs: build-wasm

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Restore cache wasm-bindgen output
      uses: actions/cache@v3
      with:
        path: www/public/out
        key: wasm-${{ github.run_id }}
    - name: Setup Node 🥣
      uses: actions/setup-node@v3
      with:
        node-version: 18
    - run: node -v
    - run: npm -v
    - name: Install www dependencies
      run: npm install
      working-directory: ./www
    - name: Install Vercel CLI
      run: npm install --global vercel@latest
      working-directory: ./www
    - name: Pull Vercel Environment Information
      run: vercel pull --yes --environment=preview --token=${{ secrets.VERCEL_TOKEN }}
      working-directory: ./www
    - name: Build Project Artifacts
      run: vercel build --token=${{ secrets.VERCEL_TOKEN }}
      working-directory: ./www
    - name: Deploy Project Artifacts to Vercel
      run: vercel deploy --prebuilt --token=${{ secrets.VERCEL_TOKEN }} > /tmp/deployment-url.txt
      working-directory: ./www
    - name: Comment on PR
      uses: actions/github-script@v5
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}
        script: |
          let fs = require('fs');
          let deploymentUrl = fs.readFileSync('/tmp/deployment-url.txt');
          await github.rest.issues.createComment({
            owner: context.repo.owner,
            repo: context.repo.repo,
            issue_number: context.issue.number,
            body: `✅ Preview ${deploymentUrl}\n\nBuilt with commit ${process.env.GITHUB_SHA}`
          });