Function.file

umt / file

Function: file()

file(message?): (value) => ValidateCoreReturnType<File>

Defined in: Validate/file/core.ts:18

Creates a validator that checks whether a value is a File (or Blob in runtimes where File is not available)

Parameters

message?

string

Custom error message for type validation

Returns

• Validator function for File / Blob instances

(value) => ValidateCoreReturnType<File>