File_or_FormData_or_String

import DOM

case file(File)

case formData(FormData)

case string(String)

protocol Any_File_or_FormData_or_String : ConvertibleToJSValue

protocol ConstructibleFromJSValue

Types conforming to this protocol can be constructed from JSValue.

protocol ConvertibleToJSValue

Objects that can be converted to a JavaScript value, preferably in a lossless manner.

static func construct(from value: JSValue) -> Self?

var file: File? { get }

var formData: FormData? { get }

var jsValue: JSValue { get }

var string: String? { get }

func jsValue() -> JSValue