From 9ac63b1320ca929010a9cfd78e3c1a7797bd3a80 Mon Sep 17 00:00:00 2001
From: csr632 <632882184@qq.com>
Date: Thu, 28 May 2020 21:31:34 +0800
Subject: [PATCH] fix: import.meta.hot should be injected before first `if
 (import.meta.hot)` (#285)

Fix: https://github.com/vitejs/vite/issues/282
---
 src/node/server/serverPluginHmr.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/node/server/serverPluginHmr.ts b/src/node/server/serverPluginHmr.ts
index 1ea4d7113f947f..81936a6650d614 100644
--- a/src/node/server/serverPluginHmr.ts
+++ b/src/node/server/serverPluginHmr.ts
@@ -399,7 +399,8 @@ export function rewriteFileWithHMR(
     // if (import.meta.hot) ...
     if (node.type === 'IfStatement') {
       const isDevBlock = isMetaHot(node.test)
-      if (isDevBlock) {
+      if (isDevBlock && !importMetaConditional) {
+        // remember the first occurence of `if (import.meta.hot)`
         importMetaConditional = node
       }
       if (node.consequent.type === 'BlockStatement') {