name: markdownlint

on:
  push:
    branches: [main]
    paths:
      - '**/*.md'
      - '.markdownlint.json'
      - '.markdownlintignore'
      - '.github/workflows/markdownlint.yml'
  pull_request:
    paths:
      - '**/*.md'
      - '.markdownlint.json'
      - '.markdownlintignore'
      - '.github/workflows/markdownlint.yml'

permissions:
  contents: read

jobs:
  markdownlint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Install markdownlint-cli
        run: npm install -g markdownlint-cli@0.41.0

      - name: Run markdownlint
        run: markdownlint '**/*.md' --config .markdownlint.json --ignore-path .markdownlintignore