PR_Label_Assign.yml

name: PR Title Labeler

on:
  pull_request_target:
    types: [opened, edited, reopened]

jobs:
  label-pr:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      pull-requests: write

    steps:
      - name: Label PR based on title
        uses: actions/github-script@v6
        with:
          script: |
            const prTitle = context.payload.pull_request.title;

            const labelMap = [
              { pattern: /^feat:/i, label: '✨ feat' },
              { pattern: /^fix:/i, label: '🐞 fix' },
              { pattern: /^chore:/i, label: '⚙️ chore' },
              { pattern: /^docs:/i, label: '📃 docs' },
              { pattern: /^refactor:/i, label: '🔨 refactor' },
              { pattern: /^test:/i, label: '✅ test' }
            ];

            const labelsToAdd = labelMap
              .filter(entry => entry.pattern.test(prTitle))
              .map(entry => entry.label);

            if (labelsToAdd.length > 0) {
              await github.rest.issues.addLabels({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                labels: labelsToAdd
              });
              core.info(`Added labels: ${labelsToAdd.join(', ')}`);
            } else {
              core.info('No matching labels found for PR title.');
            }