index.js

/*
 * Copyright 2020 American Express Travel Related Services Company, Inc.
 *
 * Licensed 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 { context, GitHub } = require('@actions/github');
const core = require('@actions/core');

async function run() {
  try {
    const githubToken = core.getInput('GITHUB_TOKEN');
    const octokit = new GitHub(githubToken);
    let body;
    if (context.eventName === 'pull_request') {
      if (context.payload.pull_request === null) {
        core.setFailed('No pull request found.');
        return;
      }
      body = context.payload.pull_request.body;
    } else {
      body = context.payload.comment.body;
    }
    const hasTasks = /-\s\[\s\]/g.test(body);
    const state = hasTasks ? 'pending' : 'success';
    let { sha } = context.payload.pull_request.head;
    if (context.eventName === 'issue_comment') {
      const { data: pullRequest } = await octokit.pulls.get({
        ...context.repo,
        pull_number: context.payload.issue.number,
      });
      sha = pullRequest.head.sha;
    }
    const checkStatus = octokit.repos.createStatus({
      ...context.repo,
      sha,
      state,
      description: state === 'pending' ? 'Tasks are pending' : 'All tasks have been completed',
      context: 'tasks',
    });
    core.setOutput('state', state);
    console.log(checkStatus);
  } catch (error) {
    core.setFailed(error.message);
  }
}
run();