ci.yml

name: CI

on: [pull_request, push]

env:
  MIX_ENV: test

jobs:
  assets:
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        include:
          - elixir: "1.17"
            otp: "27"
            node: 18.x
    steps:
      - uses: actions/checkout@v3

      # Setup Node
      - uses: actions/setup-node@v3
        with:
          node-version: ${{matrix.node}}

      - name: Cache npm dependencies
        uses: actions/cache@v3
        with:
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ hashFiles('asssets/package-lock.json') }}

      - run: npm ci --prefix assets
      - run: npm run build --prefix assets

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

      # Generate and upload artifacts
      - name: Generate docs
        run: test/prerelease.sh

      - name: Attach docs metadata
        run: |
          echo "{\"number\":${{ github.event.number }}}" > test/tmp/contents/doc/gh.json

      - name: Upload docs
        uses: actions/upload-artifact@v4
        id: docs-upload
        with:
          name: docs
          path: test/tmp/contents/doc/

      # Test JS
      - run: npm run lint --prefix assets
      - name: npm run test --prefix assets
        run: |
          sudo apt-get install xvfb
          xvfb-run --auto-servernum npm run test --prefix assets
        env:
          CI: true

      # Push updated assets if all good
      - name: Push updated assets
        if: github.ref_name == 'main'
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: Update assets
          file_pattern: formatters

  elixir:
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        include:
          # Test very old Elixir and Erlang
          - elixir: "1.15"
            otp: "25"
          # Test Erlang without -doc attribute support
          - elixir: "1.16"
            otp: "26"
          # Test with initial Erlang doc attribute support
          - elixir: "1.17"
            otp: "27"
          - elixir: "1.18"
            otp: "27"
            lint: true
    steps:
      - uses: actions/checkout@v3

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

      - run: mix deps.get

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

      - run: mix test

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

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