deleteObject 추가

src/hooks/useObject.js

@@ -0,0 +1,16 @@
+import { useRecoilValue } from 'recoil'
+import { canvasState } from '@/store/canvasAtom'
+
+export function useObject() {
+  const canvas = useRecoilValue(canvasState)
+
+  const deleteObject = (obj) => {
+    canvas
+      ?.getObjects()
+      .filter((item) => item.parent === obj || item.parentId === obj.id)
+      .forEach((item) => {
+        canvas.remove(item)
+      })
+  }
+  return { deleteObject }
+}