index.js

// Test that global requires work
import aws4 from 'aws4'

const interval = setInterval(console.log, 100, 'ping')

const sleep = async (millisecond) => await new Promise(res => setTimeout(res, millisecond))

// Test top-level await works
await sleep(1000)

export const handler = async (event, context) => {
  console.log(process.version)
  console.log(process.execPath)
  console.log(process.execArgv)
  console.log(process.argv)
  console.log(process.cwd())
  console.log(process.env)
  console.log(event)
  console.log(context)
  console.log(context.getRemainingTimeInMillis())
  console.log(aws4)
  return { some: 'obj!' }
}

export const handler2 = (event, context) => {
  setTimeout(context.done, 100, null, { some: 'obj!' })
}

export const handler3 = (event, context) => {
  setTimeout(context.succeed, 100, { some: 'obj!' })
}

export const handler4 = (event, context) => {
  setTimeout(context.fail, 100, new Error('This error should be logged'))
}

export const handler5 = (event, context, cb) => {
  setTimeout(cb, 100, null, { some: 'obj!' })
  setTimeout(clearInterval, 100, interval)
}

export const handler6 = (event, context, cb) => {
  context.callbackWaitsForEmptyEventLoop = false
  setTimeout(cb, 100, null, { some: 'obj!' })
}