redo undo시 부모가 있는 object인 경우 부모까지 pop, add

src/hooks/useCanvas.js

@@ -138,12 +138,24 @@ export function useCanvas(id) {
     if (canvas) {
       if (canvas?._objects.length > 0) {
         const poppedObject = canvas?._objects.pop()
+        const group = []
+        group.push(poppedObject)
+
+        if (poppedObject.parent || poppedObject.parentId) {
+          canvas
+            ?.getObjects()
+            .filter((obj) => obj.parent === poppedObject.parent || obj.parentId === poppedObject.parentId || obj === poppedObject.parent)
+            .forEach((obj) => {
+              group.push(obj)
+              canvas?.remove(obj)
+            })
+        }
 
         setHistory((prev) => {
           if (prev === undefined) {
-            return poppedObject ? [poppedObject] : []
+            return poppedObject ? [group] : []
           }
-          return poppedObject ? [...prev, poppedObject] : prev
+          return poppedObject ? [...prev, group] : prev
         })
         canvas?.renderAll()
       }
@@ -154,7 +166,13 @@ export function useCanvas(id) {
     if (canvas && history) {
       if (history.length > 0) {
         setIsLocked(true)
-        canvas?.add(history[history.length - 1])
+        if (Array.isArray(history[history.length - 1])) {
+          history[history.length - 1].forEach((obj) => {
+            canvas?.add(obj)
+          })
+        } else {
+          canvas?.add(history[history.length - 1])
+        }
         const newHistory = history.slice(0, -1)
         setHistory(newHistory)
       }