From 8735294055ce16308a6b8302eba4538f4a2931d0 Mon Sep 17 00:00:00 2001
From: Anthony Fu <anthonyfu117@hotmail.com>
Date: Tue, 14 Dec 2021 02:02:50 +0800
Subject: [PATCH] fix(plugin-react): only detect preamble in hmr context
 (#6096)

---
 packages/plugin-react/src/fast-refresh.ts | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/packages/plugin-react/src/fast-refresh.ts b/packages/plugin-react/src/fast-refresh.ts
index 76d163e4d665e2..70562bbbdfc5b7 100644
--- a/packages/plugin-react/src/fast-refresh.ts
+++ b/packages/plugin-react/src/fast-refresh.ts
@@ -35,14 +35,14 @@ import RefreshRuntime from "${runtimePublicPath}";
 let prevRefreshReg;
 let prevRefreshSig;
 
-if (!window.__vite_plugin_react_preamble_installed__) {
-  throw new Error(
-    "@vitejs/plugin-react can't detect preamble. Something is wrong. " +
-    "See https://github.com/vitejs/vite-plugin-react/pull/11#discussion_r430879201"
-  );
-}
-
 if (import.meta.hot) {
+  if (!window.__vite_plugin_react_preamble_installed__) {
+    throw new Error(
+      "@vitejs/plugin-react can't detect preamble. Something is wrong. " +
+      "See https://github.com/vitejs/vite-plugin-react/pull/11#discussion_r430879201"
+    );
+  }
+
   prevRefreshReg = window.$RefreshReg$;
   prevRefreshSig = window.$RefreshSig$;
   window.$RefreshReg$ = (type, id) => {