update: vue config

vue.config.js

 const path = require("path");
 
 const IS_PROD = process.env.NODE_ENV === "production";
+const isDev = process.env.NODE_ENV === "development";
 
 // CDN 链接配置
 const CDN = {
@@ -26,16 +27,16 @@ const CDN = {
 };
 
 module.exports = {
-    outputDir: !IS_PROD ? "./dist" : path.resolve("./public/dist/"),
-    publicPath: !IS_PROD ? "/" : "/dist",
-    lintOnSave: !IS_PROD,
+    outputDir: isDev ? "./dist" : path.resolve("./public/dist/"),
+    publicPath: isDev ? "/" : "/dist",
+    lintOnSave: isDev,
     productionSourceMap: false, // 去掉生成环境的 sourceMap
     devServer: {
         proxy: "http://127.0.0.1:8055", //http://localhost:8055
         hot: true,
         disableHostCheck: true,
     },
-    configureWebpack: config => {
+    configureWebpack: (config) => {
         if (IS_PROD) {
             config.externals = CDN.externals;
         }
@@ -46,7 +47,7 @@ module.exports = {
             maxAssetSize: 30000000,
         };
     },
-    chainWebpack: config => {
+    chainWebpack: (config) => {
         // 默认不开启 prefetch
         config.plugins.delete("prefetch");
 
@@ -57,7 +58,7 @@ module.exports = {
         config.resolve.alias.set("@", path.resolve("src"));
 
         // 修改页面 title
-        config.plugin("html").tap(args => {
+        config.plugin("html").tap((args) => {
             args[0].title = "运营管理系统";
             if (IS_PROD) {
                 args[0].cdn = CDN.build;
@@ -67,7 +68,7 @@ module.exports = {
         });
 
         // 分包
-        config.when(IS_PROD, config => {
+        config.when(IS_PROD, (config) => {
             config.optimization.splitChunks({
                 chunks: "all",
                 cacheGroups: {