name: JavaScript Builds
on: [push, pull_request]

# Global Cache Settings
env:
  SCONS_CACHE_LIMIT: 8192
  EM_VERSION: latest
  EM_CACHE_FOLDER: 'emsdk-cache'

jobs:
  javascript-template:
    runs-on: "ubuntu-20.04"
    name: Template (target=release, tools=no)

    steps:
      - uses: actions/checkout@v2

      # Azure repositories are not reliable, we need to prevent azure giving us packages.
      - name: Make apt sources.list use the default Ubuntu repositories
        run: |
          sudo cp -f misc/ci/sources.list /etc/apt/sources.list
          sudo apt-get update

      # Upload cache on completion and check it out now
      # Editing this is pretty dangerous for windows since it can break and needs properly tested with a fresh cache.
      # Linux with this will work reliably, so not as bad to edit for Linux.
      - name: Load .scons_cache directory
        id: javascript-template-cache
        uses: actions/cache@v2
        with:
          path: ${{github.workspace}}/.scons_cache/
          key: ${{github.job}}-${{github.sha}}
          restore-keys: |
            ${{github.job}}-${{github.sha}}
            ${{github.job}}

      # Additional cache for Emscripten generated system libraries
      - name: Load Emscripten cache
        id: javascript-template-emscripten-cache
        uses: actions/cache@v2
        with:
          path: ${{env.EM_CACHE_FOLDER}}
          key: ${{env.EM_VERSION}}-${{github.job}}

      # Use python 3.x release (works cross platform)
      - name: Set up Python 3.x
        uses: actions/setup-python@v2
        with:
          # Semantic version range syntax or exact version of a Python version
          python-version: '3.x'
          # Optional - x64 or x86 architecture, defaults to x64
          architecture: 'x64'

      # You can test your matrix by printing the current Python version
      - name: Configuring Python packages
        run: |
          python -c "import sys; print(sys.version)"
          python -m pip install scons
          python --version
          scons --version

      - name: Set up Emscripten latest
        uses: mymindstorm/setup-emsdk@v6
        with:
          version: ${{env.EM_VERSION}}
          actions-cache-folder: ${{env.EM_CACHE_FOLDER}}

      - name: Verify Emscripten setup
        run: |
          emcc -v

      - name: Compilation
        env:
          SCONS_CACHE: ${{github.workspace}}/.scons_cache/
        run: |
          scons -j2 verbose=yes warnings=all werror=yes platform=javascript target=release tools=no use_closure_compiler=yes

Add GitHub Action build for JavaScript
CI: Add GitHub Action build for JavaScript

Uses mymindstorm/setup-emsdk to install Emscripten and set up
caching for Emscripten's generated system libraries.
