add-good-first-issue-labels.yml

# This workflow is centrally managed in https:/asyncapi/.github/
# Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in above mentioned repo

# Purpose of this workflow is to enable anyone to label issue with 'Good First Issue' and 'area/*' with a single command.
name: Add 'Good First Issue' and 'area/*' labels # if proper comment added

on:
  issue_comment:
    types:
      - created

jobs:
  add-labels:
    if: ${{(!github.event.issue.pull_request && github.event.issue.state != 'closed' && github.actor != 'asyncapi-bot') && (contains(github.event.comment.body, '/good-first-issue') || contains(github.event.comment.body, '/gfi' ))}}
    runs-on: ubuntu-latest
    steps:
      - name: Add label
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.GH_TOKEN }}
          script: |
            const areas = ['javascript', 'typescript', 'java' , 'go', 'docs', 'ci-cd', 'design'];
            const words = context.payload.comment.body.trim().split(" ");
            const areaIndex = words.findIndex((word)=> word === '/gfi' || word === '/good-first-issue') + 1
            let area = words[areaIndex];
            switch(area){
              case 'ts':
                area = 'typescript';
                break;
              case 'js':
                area = 'javascript';
                break;
              case 'markdown':
                area = 'docs';
                break;
            }
            if(!areas.includes(area)){
              const message = `Hey @${context.payload.sender.login}, your message doesn't follow the requirements, you can try \`/help\`.`

              await github.rest.issues.createComment({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body: message
              })
            } else {

              // remove area if there is any before adding new labels.
              const currentLabels = (await github.rest.issues.listLabelsOnIssue({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
              })).data.map(label => label.name);

              const shouldBeRemoved = currentLabels.filter(label => (label.startsWith('area/') && !label.endsWith(area)));
              shouldBeRemoved.forEach(label => {
                github.rest.issues.deleteLabel({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  name: label,
                });
              });

               // Add new labels.
              github.rest.issues.addLabels({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                labels: ['good first issue', `area/${area}`]
              });
            }