set HTMLTextAreaElement as a return value from input

Author: koddsson

index.d.ts

@@ -1,4 +1,4 @@
 export default class RemoteInputElement extends HTMLElement {
-  readonly input?: HTMLInputElement;
+  readonly input: HTMLInputElement | HTMLTextAreaElement | undefined;
   src: string;
-}
+}

index.js.flow

@@ -2,7 +2,7 @@
 
 declare module '@github/remote-input-element' {
   declare export default class RemoteInputElement extends HTMLElement {
-    get input(): ?HTMLInputElement;
+    get input(): ?(HTMLInputElement | HTMLTextAreaElement);
     get src(): string;
     set src(url: string): void;
   }