srvh2ch11/ex3/build/env.js

A simple Node.js module that creates a server supporting both HTTP/1.1 and HTTP/2 cleartext (h2c) on the same port

export function env(name, defaultValue) {
  const value = process.env[name]
  if (value !== undefined) {
    return value
  }
  if (defaultValue === false) {
    return undefined
  }
  return defaultValue
}