issue_bot.yml

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

name: Issue Bot

on:
  issues:
    types:
      - opened

permissions:
  contents: read
  issues: write

jobs:
  label_components:
    name: Label Components
    if: github.event.issue.pull_request == null
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v6
        with:
          script: |
            let split_body = context.payload.issue.body.split('### Component(s)');
            if (split_body.length != 2) throw new Error('No components found!');

            let component_labels = split_body[1]
              .split(',')
              .map(component => component.trim())
              .map(component => "Component: " + component);

            let repo_labels = await github.rest.issues.listLabelsForRepo({
              "owner": context.repo.owner,
              "repo": context.repo.repo,
            });

            // this removes non-existent labels
            component_labels = component_labels.filter(
              label => repo_labels.data.some(repo_label => repo_label.name === label)
            );
          
            if (component_labels.length == 0) throw new Error('No components found!');

            await github.rest.issues.addLabels({
              "owner": context.repo.owner,
              "repo": context.repo.repo,
              "issue_number": context.payload.issue.number,
              "labels": component_labels,
            });