issue_opened.yml

name: Label issues
on:
  issues:
    types:
      - reopened
      - opened
env:
  ISSUE_BODY: ${{ github.event.issue.body }}
  ISSUE_TITLE: ${{ github.event.issue.title }}

jobs:
  label_issues:
    runs-on: ubuntu-latest
    permissions:
      issues: write
    steps:
      - uses: actions/github-script@v6
        with:
          script: |
            const issue = {
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo
            };
            
            // Is the title long enough to convey any useful meaning?
            if (process.env.ISSUE_TITLE.length < 10)
            {
              github.rest.issues.createComment({
                ...issue,
                body: "Closing this issue, the title is too short to convey any real meaning, please create another issue with an explanatory title."
              });
              
              github.rest.issues.update({
                ...issue,
                state: "closed",
                state_reason: "not_planned"
              });
              
              return;
            }
            
            // labels
            {
              var addLabels = ["triage"];
              
              const issueBody = process.env.ISSUE_BODY;
              
              const areasStringRegex = /### Area\(s\)\s*(.*)/;
              const areasLabels = [ "FxDK", "RedM", "ScRT: Lua", "ScRT: C#", "ScRT: JS" ];
              
              var areasString = areasStringRegex.exec(issueBody);
              if (areasString && areasString.length > 1)
              {
                var areas = areasString[1].split(/\s*[,\n]\s*/);
                for (var i = 0; i < areas.length; ++i)
                {
                  const area = areas[i];
                  if (areasLabels.includes(area))
                  {
                    addLabels.push(area);
                  }
                }
              }
              
              const priorityStringRegex = /### Importancy\s*(.*)/;
              
              var priorityString = priorityStringRegex.exec(issueBody);
              if (priorityString)
              {
                switch (priorityString[1])
                {
                  case "Crash": addLabels.push("crash"); break;
                }
              }
            
              github.rest.issues.addLabels({
                ...issue,
                labels: addLabels
              });
            }