name: Deno Build

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  build:
    env:
      DENO_DIR: my_cache_directory
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ ubuntu-20.04, macos-11, windows-2019 ]
    steps:
      - name: Setup repo
        uses: actions/checkout@v2
      - name: Cache Deno dependencies
        uses: actions/cache@v2
        with:
          path: ${{ env.DENO_DIR }}
          key: my_cache_key
      - name: Setup Deno
        uses: denoland/setup-deno@v1
        with:
          deno-version: v1.x
      # Check if the code is formatted according to Deno's default
      # formatting conventions.
      - run: deno fmt --check

      # Scan the code for syntax errors and style issues. If
      # you want to use a custom linter configuration you can add a configuration file with --config <myconfig>
      - run: deno lint


      # Run all test files in the repository and collect code coverage. The example
      # runs with all permissions, but it is recommended to run with the minimal permissions your program needs (for example --allow-read).
      - run: deno test --allow-all --coverage=cov/

      # This generates a report from the collected coverage in `deno test --coverage`. It is
      # stored as a .lcov file which integrates well with services such as Codecov, Coveralls and Travis CI.
      - name: Generate coverage report
        if: matrix.os == 'ubuntu-20.04'
        run: deno coverage --lcov cov > cov.lcov