Merge pull request #12 from github/types-ts-add-window-declaration

Add TS window declaration for TaskListsElement

Author: keithamus

Diff for: index.d.ts

@@ -2,3 +2,9 @@ export default class TaskListsElement extends HTMLElement {
   disabled: boolean
   sortable: boolean
 }
+
+declare global {
+  interface Window {
+    TaskListsElement: typeof TaskListsElement
+  }
+}