Cloud Tasks quickstart sample in TypeScript

quickstart.ts

// Copyright 2019 Google LLC
//
// 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.

'use strict';

import {CloudTasksClient, protos} from '@google-cloud/tasks';

/**
 * Create a task for a given queue with an arbitrary payload.
 */
function main(project: string, location: string, queue: string, payload?: string, inSeconds?: string) {
  // [START cloud_tasks_quickstart]

  // Instantiates a client.
  const client = new CloudTasksClient();

  async function quickstart() {
    // TODO(developer): Uncomment these lines and replace with your values.
    // const project = 'my-project-id';
    // const queue = 'my-appengine-queue';
    // const location = 'us-central1';
    // const payload = 'hello';

    // Construct the fully qualified queue name.
    const parent = client.queuePath(project, location, queue);

    const task: protos.google.cloud.tasks.v2.ITask = {
      appEngineHttpRequest: {
        httpMethod: 'POST',
        relativeUri: '/log_payload',
      },
    };

    if (payload) {
      task.appEngineHttpRequest!.body = Buffer.from(payload).toString('base64');
    }

    if (inSeconds) {
      task.scheduleTime = {
        seconds: Number(inSeconds) + Date.now() / 1000,
      };
    }

    const request = {
      parent: parent,
      task: task,
    };

    console.log('Sending task:');
    console.log(task);
    // Send create task request.
    const [response] = await client.createTask(request);
    const name = response.name;
    console.log(`Created task ${name}`);
  }
  quickstart();
  // [END cloud_tasks_quickstart]
}

process.on('unhandledRejection', err => {
  console.error((err as Error).message);
  process.exitCode = 1;
});

main(...(process.argv.slice(2) as [string, string, string, string?, string?]));