From 8b1907afc46457c17fa870ec5f8d5f43652cc3dc Mon Sep 17 00:00:00 2001
From: Victor Savkin <mail@vsavkin.com>
Date: Sat, 20 May 2023 10:32:57 -0400
Subject: [PATCH] fix(core): clone project graph during incremental update

---
 .../server/project-graph-incremental-recomputation.ts     | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/nx/src/daemon/server/project-graph-incremental-recomputation.ts b/packages/nx/src/daemon/server/project-graph-incremental-recomputation.ts
index 54efecb987a62..2025ef3029329 100644
--- a/packages/nx/src/daemon/server/project-graph-incremental-recomputation.ts
+++ b/packages/nx/src/daemon/server/project-graph-incremental-recomputation.ts
@@ -228,6 +228,10 @@ function copyFileMap(m: ProjectFileMap) {
   return c;
 }
 
+function copyProjectGraph(p: ProjectGraph): ProjectGraph {
+  return { ...p };
+}
+
 async function createAndSerializeProjectGraph(): Promise<{
   error: string | null;
   projectGraph: ProjectGraph | null;
@@ -251,7 +255,9 @@ async function createAndSerializeProjectGraph(): Promise<{
         allWorkspaceFiles,
         {
           fileMap: currentProjectFileMapCache || readProjectFileMapCache(),
-          projectGraph: currentProjectGraph || readProjectGraphCache(),
+          projectGraph: copyProjectGraph(
+            currentProjectGraph || readProjectGraphCache()
+          ),
         },
         true
       );