feat(mp): improve minimize

packages/vue-cli-plugin-uni/lib/mp/index.js

@@ -89,7 +89,8 @@ const parseRequirePath = path => path.startsWith('common') ? `./${path}` : path
 function procssJs (name, assets, hasVendor) {
   const dirname = path.dirname(name)
   const runtimeJsCode = `require('${normalizePath(parseRequirePath(path.relative(dirname, 'common/runtime.js')))}');`
-  const vendorJsCode = hasVendor ? `require('${normalizePath(parseRequirePath(path.relative(dirname, 'common/vendor.js')))}');` : ''
+  const vendorJsCode = hasVendor
+    ? `require('${normalizePath(parseRequirePath(path.relative(dirname, 'common/vendor.js')))}');` : ''
   const mainJsCode = `require('${normalizePath(parseRequirePath(path.relative(dirname, 'common/main.js')))}');`
   const code = `${runtimeJsCode}${vendorJsCode}${mainJsCode}` + assets[name].source().toString()
   assets[name] = {
@@ -176,10 +177,12 @@ module.exports = {
     }
 
     {
-      const globalEnv = process.env.UNI_PLATFORM === 'mp-alipay' ? 'my' : 'wx'
-      ;[].concat(process.env.UNI_MP_PLUGIN ? process.env.UNI_MP_PLUGIN_MAIN : JSON.parse(process.env.UNI_MP_PLUGIN_EXPORT))
+      const globalEnv = process.env.UNI_PLATFORM === 'mp-alipay' ? 'my' : 'wx';
+      [].concat(process.env.UNI_MP_PLUGIN ? process.env.UNI_MP_PLUGIN_MAIN : JSON.parse(process.env
+        .UNI_MP_PLUGIN_EXPORT))
         .forEach(fileName => addToUniEntry(fileName))
-      beforeCode += `${globalEnv}.__webpack_require_${(process.env.UNI_MP_PLUGIN || 'UNI_MP_PLUGIN').replace(/-/g, '_')}__ = __webpack_require__;`
+      beforeCode +=
+        `${globalEnv}.__webpack_require_${(process.env.UNI_MP_PLUGIN || 'UNI_MP_PLUGIN').replace(/-/g, '_')}__ = __webpack_require__;`
     }
 
     const alias = { // 仅 mp-weixin
@@ -197,9 +200,13 @@ module.exports = {
 
     // 使用外层依赖的版本
     alias['regenerator-runtime'] = require.resolve('regenerator-runtime')
-
+    const optimization = {}
+    if (process.env.UNI_MINIMIZE === 'true' && process.env.NODE_ENV === 'development') {
+      optimization.namedChunks = true
+    }
     return {
-      mode: process.env.NODE_ENV === 'production' ? 'production' : 'development',
+      mode: process.env.UNI_MINIMIZE === 'true' || process.env.NODE_ENV === 'production' ? 'production'
+        : 'development',
       entry () {
         return process.UNI_ENTRY
       },
@@ -256,7 +263,8 @@ module.exports = {
           }]
         }]
       },
-      plugins
+      plugins,
+      optimization
     }
   },
   chainWebpack (webpackConfig, vueOptions, api) {
@@ -311,4 +319,4 @@ module.exports = {
     webpackConfig.plugins.delete('preload')
     webpackConfig.plugins.delete('prefetch')
   }
-}
+}