isError

Callable

• isError(x: unknown): x is Error

---

• Checks if x is classified as Error.

  Example

  isError(new Error("this is an error"))
  // => true
  
  isError("foobar")
  // => false

  Alternatives

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

  ---

  Parameters

  • x: unknown

    The value to check.

  Returns x is Error

  true if x is an Error, false otherwise.