From 9a4424822a8d3b3583504b827e1b7089b4319a30 Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Tue, 26 May 2020 17:55:28 -0400
Subject: [PATCH] fix: fix import chain walking

---
 src/node/server/serverPluginHmr.ts | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/node/server/serverPluginHmr.ts b/src/node/server/serverPluginHmr.ts
index 80d7d225923f86..45953099f1befb 100644
--- a/src/node/server/serverPluginHmr.ts
+++ b/src/node/server/serverPluginHmr.ts
@@ -218,7 +218,6 @@ function walkImportChain(
     return false
   }
 
-  let hasDeadEnd = false
   for (const importer of importers) {
     if (importer.endsWith('.vue') || isHmrAccepted(importer, importee)) {
       // vue boundaries are considered dirty for the reload
@@ -230,19 +229,21 @@ function walkImportChain(
     } else {
       const parentImpoters = importerMap.get(importer)
       if (!parentImpoters) {
-        hasDeadEnd = true
-      } else {
-        hasDeadEnd = walkImportChain(
+        return true
+      } else if (
+        walkImportChain(
           importer,
           parentImpoters,
           hmrBoundaries,
           dirtyFiles,
           currentChain.concat(importer)
         )
+      ) {
+        return true
       }
     }
   }
-  return hasDeadEnd
+  return false
 }
 
 function isHmrAccepted(importer: string, dep: string): boolean {