From 6a3e4663e0622dd146381d7e0a53df7e274efde0 Mon Sep 17 00:00:00 2001
From: Clark Du <clark.duxin@gmail.com>
Date: Mon, 1 Apr 2019 20:29:32 +0100
Subject: [PATCH] fix(webpack): production preload files

---
 src/server/webpack-plugin/client.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/server/webpack-plugin/client.js b/src/server/webpack-plugin/client.js
index ae2a2498672..5c3edb6745b 100644
--- a/src/server/webpack-plugin/client.js
+++ b/src/server/webpack-plugin/client.js
@@ -45,6 +45,18 @@ export default class VueSSRClientPlugin {
           }
           const id = m.identifier.replace(/\s\w+$/, '') // remove appended hash
           const files = manifest.modules[hash(id)] = chunk.files.map(fileToIndex)
+
+          // In production mode, modules may be concatenated by scope hoisting
+          // Include ConcatenatedModule for not losing module-component mapping
+          if (Array.isArray(m.modules)) {
+            for (const concatenatedModule of m.modules) {
+              const id = hash(concatenatedModule.identifier.replace(/\s\w+$/, ''))
+              if (!manifest.modules[id]) {
+                manifest.modules[id] = files
+              }
+            }
+          }
+
           // find all asset modules associated with the same chunk
           assetModules.forEach(m => {
             if (m.chunks.some(id => id === cid)) {