From: Guillaume Chau <guillaume.b.chau@gmail.com>
Date: Thu, 6 May 2021 12:21:54 +0000 (+0200)
Subject: fix(hmr): don't remove __file key from component type
X-Git-Tag: v3.1.0-beta.1~31
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9db3cbbfc1a072675a8d0e53edf3869af115dc60;p=thirdparty%2Fvuejs%2Fcore.git

fix(hmr): don't remove __file key from component type
---

diff --git a/packages/runtime-core/src/hmr.ts b/packages/runtime-core/src/hmr.ts
index d2a109a04b..f4c46110d5 100644
--- a/packages/runtime-core/src/hmr.ts
+++ b/packages/runtime-core/src/hmr.ts
@@ -116,7 +116,7 @@ function reload(id: string, newComp: ComponentOptions | ClassComponent) {
     newComp = isClassComponent(newComp) ? newComp.__vccOpts : newComp
     extend(component, newComp)
     for (const key in component) {
-      if (!(key in newComp)) {
+      if (key !== '__file' && !(key in newComp)) {
         delete (component as any)[key]
       }
     }