ci.yml

name: CI

on:
  pull_request:
  push:

env:
  node-version: 18.x

jobs:
  mix_test:
    runs-on: ubuntu-20.04
    env:
      MIX_ENV: test
    strategy:
      fail-fast: false
      matrix:
        include:
          - pair: # Test very old elixir and Erlang
              elixir: "1.13"
              otp: "22"
          - pair: # Test Erlang without -doc attribute support
              elixir: "1.16"
              otp: "26"
          - pair: # Test Erlang with -doc attribute support
              elixir: "1.17"
              otp: "27"
            lint: lint
    steps:
      - uses: actions/checkout@v3

      - uses: erlef/setup-beam@v1
        with:
          otp-version: ${{matrix.pair.otp}}
          elixir-version: ${{matrix.pair.elixir}}

      - name: Install Dependencies
        run: mix deps.get

      - run: mix format --check-formatted
        if: ${{ matrix.lint }}

      - run: mix deps.unlock --check-unused
        if: ${{ matrix.lint }}

      - run: mix deps.compile

      - run: mix compile --warnings-as-errors
        if: ${{ matrix.lint }}

      - run: mix test

      - name: Prerelease
        run: test/prerelease.sh

      - name: Generate docs
        run: |
          mix docs
          test -f doc/index.html && echo "doc/index.html exists."
          test -f doc/ExDoc.epub && echo "doc/ExDoc.epub exists."

  check_js:
    name: Check JS
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-node@v3
        with:
          node-version: ${{ env.node-version }}
      - name: Cache npm dependencies
        uses: actions/cache@v3
        with:
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ hashFiles('asssets/package-lock.json') }}
      - run: npm install --prefix assets
      - run: npm run lint --prefix assets
      - run: sudo apt-get install xvfb
      - run: |
          xvfb-run --auto-servernum npm run test --prefix assets
        env:
          CI: true

  assets:
    needs: [check_js]
    runs-on: ubuntu-20.04
    if: github.ref_name == 'main'
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-node@v3
        with:
          node-version: ${{ env.node-version }}
      - name: Cache npm dependencies
        uses: actions/cache@v3
        with:
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ hashFiles('asssets/package-lock.json') }}
      - run: mkdir -p tmp/handlebars
      - run: npm ci --prefix assets
      - run: npm run build --prefix assets
      - name: Push updated assets
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: Update assets
          file_pattern: formatters