isError

isError(x): 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.