refactor build

config/dev.env.js

@@ -1,5 +1,6 @@
-var merge = require('webpack-merge')
-var prodEnv = require('./prod.env')
+'use strict'
+const merge = require('webpack-merge')
+const prodEnv = require('./prod.env')
 
 module.exports = merge(prodEnv, {
   NODE_ENV: '"development"',

config/index.js

@@ -1,38 +1,83 @@
+'use strict'
+// Template version: 1.2.6
 // see http://vuejs-templates.github.io/webpack for documentation.
-var path = require('path')
+
+const path = require('path')
 
 module.exports = {
+  dev: {
+
+    // Paths
+    assetsSubDirectory: 'static',
+    assetsPublicPath: '/',
+    proxyTable: {},
+
+    // Various Dev Server settings
+    host: 'localhost', // can be overwritten by process.env.HOST
+    port: 9528, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
+    autoOpenBrowser: true,
+    errorOverlay: true,
+    notifyOnErrors: false,
+    poll: false, // https://webpack.js.org/configuration/dev-server/#devserver-watchoptions-
+
+    // Use Eslint Loader?
+    // If true, your code will be linted during bundling and
+    // linting errors and warnings will be shown in the console.
+    useEslint: true,
+    // If true, eslint errors and warnings will also be shown in the error overlay
+    // in the browser.
+    showEslintErrorsInOverlay: false,
+
+    /**
+     * Source Maps
+     */
+
+    // https://webpack.js.org/configuration/devtool/#development
+    devtool: 'eval-source-map',
+
+    // If you have problems debugging vue-files in devtools,
+    // set this to false - it *may* help
+    // https://vue-loader.vuejs.org/en/options.html#cachebusting
+    cacheBusting: true,
+
+    // CSS Sourcemaps off by default because relative paths are "buggy"
+    // with this option, according to the CSS-Loader README
+    // (https://github.com/webpack/css-loader#sourcemaps)
+    // In our experience, they generally work as expected,
+    // just be aware of this issue when enabling this option.
+    cssSourceMap: false,
+  },
+
   build: {
-    env: require('./prod.env'),
+    // Template for index.html
     index: path.resolve(__dirname, '../dist/index.html'),
+
+    // Paths
     assetsRoot: path.resolve(__dirname, '../dist'),
     assetsSubDirectory: 'static',
+
+    // you can set by youself according to actual condition
     assetsPublicPath: './',
-    productionSourceMap: true,
+
+    /**
+     * Source Maps
+     */
+
+    productionSourceMap: false,
+    // https://webpack.js.org/configuration/devtool/#production
+    devtool: '#source-map',
+
     // Gzip off by default as many popular static hosts such as
     // Surge or Netlify already gzip all static assets for you.
     // Before setting to `true`, make sure to:
     // npm install --save-dev compression-webpack-plugin
     productionGzip: false,
     productionGzipExtensions: ['js', 'css'],
+
     // Run the build command with an extra argument to
     // View the bundle analyzer report after build finishes:
     // `npm run build --report`
     // Set to `true` or `false` to always turn it on or off
     bundleAnalyzerReport: process.env.npm_config_report
-  },
-  dev: {
-    env: require('./dev.env'),
-    port: 9528,
-    autoOpenBrowser: true,
-    assetsSubDirectory: 'static',
-    assetsPublicPath: '/',
-    proxyTable: {},
-    // CSS Sourcemaps off by default because relative paths are "buggy"
-    // with this option, according to the CSS-Loader README
-    // (https://github.com/webpack/css-loader#sourcemaps)
-    // In our experience, they generally work as expected,
-    // just be aware of this issue when enabling this option.
-    cssSourceMap: false
   }
 }

config/prod.env.js

@@ -1,3 +1,4 @@
+'use strict'
 module.exports = {
   NODE_ENV: '"production"',
   BASE_API: '"https://easy-mock.com/mock/5950a2419adc231f356a6636/vue-admin"',