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

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

import InvokeAsyncController from "./InvokeAsyncController.js"

const { parse } = JSON

// https://docs.aws.amazon.com/lambda/latest/dg/API_InvokeAsync.html
export default function invokeRoute(lambda, options) {
  const invokeAsyncController = new InvokeAsyncController(lambda)

  return {
    handler(request) {
      const {
        params: { functionName },
        payload,
      } = request

      const event = parse(payload.toString("utf8"))

      return invokeAsyncController.invokeAsync(functionName, event)
    },
    method: "POST",
    options: {
      cors: options.corsConfig,
      payload: {
        // allow: ['binary/octet-stream'],
        defaultContentType: "binary/octet-stream",
        // request.payload will be a raw buffer
        parse: false,
      },
      tags: ["api"],
    },
    path: "/2014-11-13/functions/{functionName}/invoke-async/",
  }
}