serverless-offline-reasint/src/lambda/routes/invoke-async/InvokeAsyncController.js

Emulate AWS λ and API Gateway locally when developing your Serverless project

export default class InvokeAsyncController {
  #lambda = null

  constructor(lambda) {
    this.#lambda = lambda
  }

  async invokeAsync(functionName, event) {
    const lambdaFunction = this.#lambda.getByFunctionName(functionName)

    lambdaFunction.setEvent(event)

    // don't await result!
    lambdaFunction.runHandler()

    return {
      StatusCode: 202,
    }
  }
}