From 5da51c9f9289e5f02a4ae8a503b64e16804cc6bd Mon Sep 17 00:00:00 2001
From: Alexander Wang <alex@terrastruct.com>
Date: Mon, 26 Jun 2023 14:27:26 -0700
Subject: [PATCH] reparentiddelta

---
 d2oracle/edit.go | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/d2oracle/edit.go b/d2oracle/edit.go
index 1c4e850db..4e6c3f96d 100644
--- a/d2oracle/edit.go
+++ b/d2oracle/edit.go
@@ -2196,23 +2196,34 @@ func deleteFromMap(m *d2ast.Map, mk *d2ast.Key) bool {
 	return false
 }
 
-func ReparentIDDelta(g *d2graph.Graph, key, parentKey string) (string, error) {
+func ReparentIDDelta(g *d2graph.Graph, boardPath []string, key, parentKey string) (string, error) {
 	mk, err := d2parser.ParseMapKey(key)
 	if err != nil {
 		return "", err
 	}
-	obj, ok := g.Root.HasChild(d2graph.Key(mk.Key))
+
+	boardG := g
+
+	if len(boardPath) > 0 {
+		// When compiling a nested board, we can read from boardG but only write to baseBoardG
+		boardG = GetBoardGraph(g, boardPath)
+		if boardG == nil {
+			return "", fmt.Errorf("board %v not found", boardPath)
+		}
+	}
+
+	obj, ok := boardG.Root.HasChild(d2graph.Key(mk.Key))
 	if !ok {
 		return "", errors.New("not found")
 	}
 
-	parent := g.Root
+	parent := boardG.Root
 	if parentKey != "" {
 		mk2, err := d2parser.ParseMapKey(parentKey)
 		if err != nil {
 			return "", err
 		}
-		parent, ok = g.Root.HasChild(d2graph.Key(mk2.Key))
+		parent, ok = boardG.Root.HasChild(d2graph.Key(mk2.Key))
 		if !ok {
 			return "", errors.New("not found")
 		}