name: Issue Open Check

on:
  issues:
    types: [opened]

jobs:
  issue-open-check:
    permissions:
      issues: write
    runs-on: ubuntu-latest
    steps:
      - name: check issue title
        id: check-issue
        uses: actions/github-script@v6
        with:
          script: |
            const title = context.payload.issue.title;
            const titleSplit = title.split(/\s+/).map(e => e.toLowerCase());
            const keywords = ['api', 'treesitter', 'ui', 'lsp', 'doc'];
            var match = new Set();
            for(const keyword of keywords) {
              if(titleSplit.includes(keyword)) {
                match.add(keyword)
              }
            }
            if(match.size !== 0){
              github.rest.issues.addLabels({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                labels: Array.from(match)
              })
            }