feat(typings): allow document to be used in fireEvent (#272)

Author: foray1010

typings/events.d.ts

@@ -71,12 +71,21 @@ export type EventType =
   | 'transitionEnd'
   | 'doubleClick'
 
-export type FireFunction = (element: Element | Window, event: Event) => boolean
+export type FireFunction = (
+  element: Document | Element | Window,
+  event: Event,
+) => boolean
 export type FireObject = {
-  [K in EventType]: (element: Element | Window, options?: {}) => boolean
+  [K in EventType]: (
+    element: Document | Element | Window,
+    options?: {},
+  ) => boolean
 }
 export type CreateObject = {
-  [K in EventType]: (element: Element | Window, options?: {}) => Event
+  [K in EventType]: (
+    element: Document | Element | Window,
+    options?: {},
+  ) => Event
 }
 
 export const createEvent: CreateObject