From 39f17b0759b8d72541b7903d0e4a8814123f3fa7 Mon Sep 17 00:00:00 2001
From: Artur Signell <artur@vaadin.com>
Date: Fri, 10 Jan 2025 09:39:31 +0200
Subject: [PATCH] chore: Run with --legacy-peer-deps for React 19

Needed until there is a new Lit release
---
 .../com/vaadin/flow/server/frontend/TaskRunNpmInstall.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/flow-server/src/main/java/com/vaadin/flow/server/frontend/TaskRunNpmInstall.java b/flow-server/src/main/java/com/vaadin/flow/server/frontend/TaskRunNpmInstall.java
index a95fe4d8def..ca6b1b6b333 100644
--- a/flow-server/src/main/java/com/vaadin/flow/server/frontend/TaskRunNpmInstall.java
+++ b/flow-server/src/main/java/com/vaadin/flow/server/frontend/TaskRunNpmInstall.java
@@ -32,6 +32,7 @@
 import org.apache.commons.io.FileUtils;
 import org.slf4j.Logger;
 
+import com.vaadin.experimental.FeatureFlags;
 import com.vaadin.flow.internal.Pair;
 import com.vaadin.flow.server.Constants;
 import com.vaadin.flow.server.ExecutionFailedException;
@@ -267,6 +268,9 @@ private void runNpmInstall() throws ExecutionFailedException {
         }
 
         npmInstallCommand.add("--ignore-scripts");
+        if (options.getFeatureFlags().isEnabled(FeatureFlags.REACT19)) {
+            npmInstallCommand.add(" --legacy-peer-deps");
+        }
 
         if (options.isCiBuild()) {
             if (options.isEnablePnpm() || options.isEnableBun()) {