rajt/src/utils/func.ts

A serverless bundler layer, fully typed for AWS Lambda (Node.js and LLRT) and Cloudflare Workers.

export const isAsyncFn = (fn: any) => {
  return fn?.constructor?.name === 'AsyncFunction'
    || fn.toString().toLowerCase().trim().startsWith('async')
}

export const isAnonFn = (fn: any) => {
    return fn?.name === '' || fn?.name === 'anonymous'
}