From 2472b2f71d0d0a5ce56e067b7697a496a495ea7c Mon Sep 17 00:00:00 2001
From: Haoqun Jiang <haoqunjiang@gmail.com>
Date: Tue, 11 May 2021 15:20:53 +0800
Subject: [PATCH] fix: check for compiler.webpack existence

It's only available since webpack 5.1
---
 lib/plugin-webpack5.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/plugin-webpack5.js b/lib/plugin-webpack5.js
index c1eee5906..91126ffec 100644
--- a/lib/plugin-webpack5.js
+++ b/lib/plugin-webpack5.js
@@ -31,7 +31,9 @@ const ruleSetCompiler = new RuleSetCompiler([
 
 class VueLoaderPlugin {
   apply (compiler) {
-    const normalModule = compiler.webpack.NormalModule || require("webpack/lib/NormalModule")
+    const normalModule = compiler.webpack
+      ? compiler.webpack.NormalModule
+      : require('webpack/lib/NormalModule')
     // add NS marker so that the loader can detect and report missing plugin
     compiler.hooks.compilation.tap(id, compilation => {
       const normalModuleLoader = normalModule.getCompilationHooks(compilation).loader