HELP

overIt.js

const foo = ({bar}) => ({foo: `hellllllo ${bar}`})
const myDefaultFn = (args) => {...args}

const overRides = {
  doug: (...args) => foo(args),
  ...catchEverythingElsePlease: (...args) => myDefaultFn(args)
}

overRides['doug']({bar: "doug"})

overRides['dom']({bar: "Dominic"}) # should default to something

const foo = ({ bar }) => ({ foo: `hellllllo ${bar}` })
const myDefaultFn = (args) => args

const curry = (fn, arity = fn.length, ...args) =>
  arity <= args.length ? fn(...args) : curry.bind(null, fn, arity, ...args)

const sw = curry(
  (o, key, ...args) => o.hasOwnProperty(key)
    ? o[key](...args)
    : o.default(...args)
)

const overRides = sw({
  doug: foo,
  default: myDefaultFn
})

overRides('doug', {bar: "doug"})

overRides('dom', {bar: "Dominic"})

Something alone the lines of that