add_label.yml

name: "Add labels"

on:
  pull_request:

permissions:
  pull-requests: write

jobs:
  apply-label:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          fetch-depth: 0
      - uses: actions/github-script@v7
        with:
          script: |
            const { execSync } = require('child_process')
            const { commits } = context.payload.pull_request
            const rawFiles = execSync(`git diff --name-only HEAD HEAD~${commits}`).toString()
            const files = rawFiles.split('\n').filter(Boolean)

            // verify packages
            const packagesFiles = files.filter(file => file.startsWith('packages/') && !file.includes('mix_lint_test'))
            const packages = packagesFiles.map(file => file.split('/')[1])
            const labels = Array.from(new Set(packages))

            // verify documentation
            const packagesFiles = files.filter(file => file.startsWith('website/'))
            labels.push('documentation')

            // verify documentation
            const packagesFiles = files.filter(file => file.startsWith('examples/'))
            labels.push('examples')

            // verify documentation
            const packagesFiles = files.filter(file => !file.startsWith('website/') && !file.startsWith('packages/') && file.startsWith('!file.startsWith('examples/')'))
            labels.push('repo')

            github.rest.issues.addLabels({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: labels
            })