Refactor

app/src/components/Tree/TreeNode/effects/useDeleteKeyCallback.tsx

@@ -0,0 +1,17 @@
+import * as q from '../../../../../../backend/src/Model'
+import React, { useCallback } from 'react'
+import { KeyCodes } from '../../../../utils/KeyCodes'
+import { treeActions } from '../../../../actions'
+
+export function useDeleteKeyCallback(topic: q.TreeNode<any>, actions: typeof treeActions) {
+  return useCallback(
+    (event: React.KeyboardEvent) => {
+      if (event.keyCode === KeyCodes.delete || event.keyCode === KeyCodes.backspace) {
+        event.stopPropagation()
+        event.preventDefault()
+        actions.clearTopic(topic, true, 50)
+      }
+    },
+    [topic]
+  )
+}