ci.yml

name: CI

on:
  push:
    branches:
      - 'main'
  pull_request:

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  format:
    name: 'Format'
    runs-on: ubuntu-22.04
    timeout-minutes: 30

    steps:
      - name: 'Checkout code'
        uses: actions/checkout@v4.1.1

      - name: 'Set up Node.js'
        uses: actions/setup-node@v4.0.0
        with:
          node-version-file: package.json
          cache: ${{ !env.ACT && 'npm' || '' }}

      - name: 'Install dependencies'
        run: npm ci

      - name: 'Run formatter'
        run: npx prettier --ignore-unknown --check '**'

  lint:
    name: 'Lint'
    runs-on: ubuntu-22.04
    timeout-minutes: 30

    steps:
      - name: 'Checkout code'
        uses: actions/checkout@v4.1.1

      - name: 'Set up Node.js'
        uses: actions/setup-node@v4.0.0
        with:
          node-version-file: package.json
          cache: ${{ !env.ACT && 'npm' || '' }}

      - name: 'Install dependencies'
        run: npm ci

      - name: 'Run the linter'
        run: npx eslint . --max-warnings 0

  typecheck:
    name: 'Typecheck'
    runs-on: ubuntu-22.04
    timeout-minutes: 30

    steps:
      - name: 'Checkout code'
        uses: actions/checkout@v4.1.1

      - name: 'Set up Node.js'
        uses: actions/setup-node@v4.0.0
        with:
          node-version-file: package.json
          cache: ${{ !env.ACT && 'npm' || '' }}

      - name: 'Install dependencies'
        run: npm ci

      - name: 'Run typechecker'
        run: npx tsc --noEmit