TS Chain

chain.ts

export function chain<T>(object: T) {
  const call =
    <V>(previousResult: V) =>
    <U>(callback: (object: T, result: V) => U) => {
      const result = callback(object, previousResult)
      return { call: call(result), result: () => result, object: () => object }
    }

  return { call: call(undefined), result: () => undefined, object: () => object }
}

chain.debug = <T, V>(object: T, result: V) => {
  console.info({ object, result })
  return result
}