From a2b89d3c44011e9c8c4af523a8d7039d9b27705c Mon Sep 17 00:00:00 2001
From: Haoqun Jiang <haoqunjiang@gmail.com>
Date: Thu, 17 Dec 2020 14:12:09 +0800
Subject: [PATCH] fix: resourceQuery could be undefined in webpack 5

fixes #1771
---
 lib/index.js           |  2 +-
 lib/plugin-webpack5.js |  2 ++
 test/edgeCases.spec.js | 15 +++++++++++++++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/lib/index.js b/lib/index.js
index 990c86235..7760df47b 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -49,7 +49,7 @@ module.exports = function (source) {
     sourceMap,
     rootContext,
     resourcePath,
-    resourceQuery
+    resourceQuery = ''
   } = loaderContext
 
   const rawQuery = resourceQuery.slice(1)
diff --git a/lib/plugin-webpack5.js b/lib/plugin-webpack5.js
index dcec6e0c6..9b156ff12 100644
--- a/lib/plugin-webpack5.js
+++ b/lib/plugin-webpack5.js
@@ -120,6 +120,7 @@ class VueLoaderPlugin {
     const pitcher = {
       loader: require.resolve('./loaders/pitcher'),
       resourceQuery: query => {
+        if (!query) { return false }
         const parsed = qs.parse(query.slice(1))
         return parsed.vue != null
       },
@@ -172,6 +173,7 @@ function cloneRule (rawRule, refs) {
       return true
     },
     resourceQuery: query => {
+      if (!query) { return false }
       const parsed = qs.parse(query.slice(1))
       if (parsed.vue == null) {
         return false
diff --git a/test/edgeCases.spec.js b/test/edgeCases.spec.js
index 8c4a4168a..f846d9483 100644
--- a/test/edgeCases.spec.js
+++ b/test/edgeCases.spec.js
@@ -1,5 +1,6 @@
 const path = require('path')
 const normalizeNewline = require('normalize-newline')
+const webpack = require('webpack')
 const HTMLPlugin = require('html-webpack-plugin')
 
 const {
@@ -212,3 +213,17 @@ test('use with postLoader', done => {
     }, done)
   })
 })
+
+// #1711
+test('data: URI as entry', done => {
+  // this feature is only available in webpack 5
+  if (webpack.version.startsWith('4')) {
+    return
+  }
+
+  bundle({
+    entry: {
+      main: 'data:text/javascript,console.log("hello world")'
+    }
+  }, () => done())
+})