name: Build Emscripten

on: [push]

env:
  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
  BUILD_TYPE: Release

jobs:
 build-emsdk:
    runs-on: ubuntu-latest
    steps:
      - uses: mymindstorm/setup-emsdk@v7
      
      - uses: actions/checkout@v2
      
      - name: Create Build Environment
        # Some projects don't allow in-source building, so create a separate build directory
        # We'll use this as our working directory for all subsequent commands
        run: emcmake cmake -E make_directory ${{github.workspace}}/build

      - name: Configure CMake
        # Use a bash shell so we can use the same syntax for environment variable
        # access regardless of the host operating system
        shell: bash
        working-directory: ${{github.workspace}}/build
        # Note the current convention is to use the -S and -B options here to specify source 
        # and build directories, but this is only available with CMake 3.13 and higher.  
        # The CMake binaries on the Github Actions machines are (as of this writing) 3.12
        run: emcmake cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE

      - name: Build
        working-directory: ${{github.workspace}}/build
        shell: bash
        # Execute the build.  You can specify a specific target with "--target <NAME>"
        run: cmake --build . --config $BUILD_TYPE