isFunction

Callable

• isFunction<T>(f: unknown): f is T

---

• Checks if f is classified as Function.

  Example

  isFunction(() => true))
  // => true
  
  isFunction("foobar")
  // => false

  Alternatives

  • [Lodash - isFunction]https://lodash.com/docs/#isError)

  ---

  Type parameters

  • T: Function

  Parameters

  • f: unknown

  Returns f is T

  true if x is a Function, false otherwise.