fix: createEvent type (#776)

Author: marcosvega91

types/__tests__/type-tests.ts

@@ -1,4 +1,5 @@
 import {
+  createEvent,
   fireEvent,
   isInaccessible,
   queries,
@@ -144,6 +145,10 @@ function eventTest() {
     throw new Error(`Can't find firstChild`)
   }
   fireEvent.click(element.firstChild)
+
+  // Custom event
+  const customEvent = createEvent('customEvent', element)
+  fireEvent(element, customEvent)
 }
 
 async function testWaitFors() {

types/events.d.ts

@@ -94,7 +94,7 @@ export type FireObject = {
   ) => boolean
 }
 export type CreateFunction = (
-  eventName: EventType,
+  eventName: string,
   node: Document | Element | Window | Node,
   init?: {},
   options?: {EventType?: string; defaultInit?: {}},
@@ -106,5 +106,5 @@ export type CreateObject = {
   ) => Event
 }
 
-export const createEvent: CreateObject
+export const createEvent: CreateObject & CreateFunction
 export const fireEvent: FireFunction & FireObject