AWS Lambda Invoking (aws-sdk v2)

script.ts

import AWSLambda from 'aws-sdk/clients/lambda'
import { mode, modeIsDev } from '@/environment'
import type AWSSES from 'aws-sdk/clients/ses'

const lambda = new AWSLambda({
  endpoint: modeIsDev ? 'http://localhost:3002' : undefined
})

const response = await lambda.invoke({
  FunctionName: `myApi-${mode}-email`,
  InvocationType: 'RequestResponse',
  Payload: JSON.stringify({
    pathParameters: {}
  })
}).promise()

if (!response || !response.Payload || typeof response.Payload !== 'string') {
  throw new Error('Response is not valid')
}

const payload = JSON.parse(response.Payload)

if (!payload.body || typeof payload.body !== 'string') {
  throw new Error('Response payload is not valid')
}

const responseBody: AWSSES.SendEmailResponse = JSON.parse(payload.body)

// responseBody output:
// {
//   MessageId: 'unique-id'
// }