text: // 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.
  
  const fs = require("fs");
  
  function haveISSUESID(title) {
    if (!title) {
      return false;
    }
    return /^\[ML-\d+\]/.test(title);
  }
  
  async function commentOpenISSUESIssue(github, context, pullRequestNumber) {
    const {data: comments} = await github.issues.listComments({
      owner: context.repo.owner,
      repo: context.repo.repo,
      issue_number: pullRequestNumber,
      per_page: 1
    });
    if (comments.length > 0) {
      return;
    }
    const commentPath = ".github/workflows/dev_cron/title_check.md";
    const comment = fs.readFileSync(commentPath).toString();
    await github.issues.createComment({
      owner: context.repo.owner,
      repo: context.repo.repo,
      issue_number: pullRequestNumber,
      body: comment
    });
  }
  
  module.exports = async ({github, context}) => {
    const pullRequestNumber = context.payload.number;
    const title = context.payload.pull_request.title;
    if (!haveISSUESID(title)) {
      await commentOpenISSUESIssue(github, context, pullRequestNumber);
    }
  };
  