ci.yml

name: CI

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

jobs:
  test:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Check for docs-only changes
        id: docs-check
        run: |
          if [ "${{ github.event_name }}" = "pull_request" ]; then
            FILES=$(gh pr view ${{ github.event.pull_request.number }} --json files --jq '.files[].path')
          else
            FILES=$(git diff --name-only HEAD~1 2>/dev/null || echo "")
          fi
          NON_DOCS=$(echo "$FILES" | grep -vE '\.(md|txt)$|^LICENSE' || true)
          if [ -z "$NON_DOCS" ]; then
            echo "skip=true" >> "$GITHUB_OUTPUT"
          else
            echo "skip=false" >> "$GITHUB_OUTPUT"
          fi
        env:
          GH_TOKEN: ${{ github.token }}

      - uses: actions/setup-node@v4
        if: steps.docs-check.outputs.skip != 'true'
        with:
          node-version: 20
          cache: npm

      - name: Install dependencies
        if: steps.docs-check.outputs.skip != 'true'
        run: npm ci

      - name: Build
        if: steps.docs-check.outputs.skip != 'true'
        run: npm run build

      - name: Lint
        if: steps.docs-check.outputs.skip != 'true'
        run: npm run lint