uniapp 项目， npm update 以后打包出现问题。

编译器版本： 3.1.13

Hbuilderx版本：3.1.13

问题描述：

[HBuilder] 17:34:57.328 编译器版本：3.1.13（v3）详见：https://ask.dcloud.net.cn/article/36599。 [HBuilder] 17:34:57.481 正在编译中... [HBuilder] 17:34:59.437 ERROR TypeError: config.optimization.minimizer(...).tap is not a function [HBuilder] 17:34:59.443 TypeError: config.optimization.minimizer(...).tap is not a function [HBuilder] 17:34:59.444 at chainWebpack (/Users/tomxiao/code/uniapp/IotApp/node_modules/@dcloudio/uni-app-plus/lib/uni.config.js:60:47) [HBuilder] 17:34:59.450 at /Users/tomxiao/code/uniapp/IotApp/node_modules/@dcloudio/vue-cli-plugin-uni/index.js:81:14 [HBuilder] 17:34:59.450 at webpackChainFns.forEach.fn (/Users/tomxiao/code/uniapp/IotApp/node_modules/@vue/cli-service/lib/Service.js:242:40) [HBuilder] 17:34:59.456 at Array.forEach (<anonymous>) [HBuilder] 17:34:59.457 at Service.resolveChainableWebpackConfig (/Users/tomxiao/code/uniapp/IotApp/node_modules/@vue/cli-service/lib/Service.js:242:26) [HBuilder] 17:34:59.466 at PluginAPI.resolveChainableWebpackConfig (/Users/tomxiao/code/uniapp/IotApp/node_modules/@vue/cli-service/lib/PluginAPI.js:151:25) [HBuilder] 17:34:59.466 at module.exports (/Users/tomxiao/code/uniapp/IotApp/node_modules/@vue/cli-service/lib/commands/build/resolveAppConfig.js:2:22) [HBuilder] 17:34:59.477 at getWebpackConfig (/Users/tomxiao/code/uniapp/IotApp/node_modules/@dcloudio/vue-cli-plugin-uni/commands/build.js:71:88) [HBuilder] 17:34:59.495 at getWebpackConfigs (/Users/tomxiao/code/uniapp/IotApp/node_modules/@dcloudio/vue-cli-plugin-uni/commands/build.js:107:32) [HBuilder] 17:34:59.495 at build (/Users/tomxiao/code/uniapp/IotApp/node_modules/@dcloudio/vue-cli-plugin-uni/commands/build.js:137:26) [HBuilder] 17:34:59.511 at api.registerCommand (/Users/tomxiao/code/uniapp/IotApp/node_modules/@dcloudio/vue-cli-plugin-uni/commands/build.js:62:11) [HBuilder] 17:34:59.511 at Service.run (/Users/tomxiao/code/uniapp/IotApp/node_modules/@vue/cli-service/lib/Service.js:236:12) [HBuilder] 17:34:59.528 at Object.<anonymous> (/Users/tomxiao/code/uniapp/IotApp/node_modules/@vue/cli-service/bin/vue-cli-service.js:37:9) [HBuilder] 17:34:59.528 at Module._compile (module.js:652:30) [HBuilder] 17:34:59.544 at Object.Module._extensions..js (module.js:663:10) [HBuilder] 17:34:59.545 at Module.load (module.js:565:32)

原因： 升级因为的冲突， 可以回退到 之前的版本。  

解决方法：屏蔽该文件一段代码， 不影响打包；

文件路径： node_modules/@dcloudio/uni-app-plus/lib/uni.config.js

文件内容：

处理后即可正常打包：