From 8e76fdb622ad350147c557561be6e807ea3a6c68 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=8A=B1=E8=A3=A4=E8=A1=A9?= <panfree23@gmail.com>
Date: Tue, 23 Jun 2020 21:11:06 +0800
Subject: [PATCH] fix: do not preload runtime.js (#596)

add runtime.js to fileBlacklist
---
 vue.config.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/vue.config.js b/vue.config.js
index efc2053..d2b366e 100644
--- a/vue.config.js
+++ b/vue.config.js
@@ -50,7 +50,15 @@ module.exports = {
   },
   chainWebpack(config) {
     // it can improve the speed of the first screen, it is recommended to turn on preload
-    // config.plugins.delete('preload')
+    config.plugin('preload').tap(() => [
+      {
+        rel: 'preload',
+        // to ignore runtime.js
+        // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
+        fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
+        include: 'initial'
+      }
+    ])
 
     // when there are many pages, it will cause too many meaningless requests
     config.plugins.delete('prefetch')
@@ -118,6 +126,7 @@ module.exports = {
                 }
               }
             })
+          // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
           config.optimization.runtimeChunk('single')
         }
       )