解决nuxt/koa架构初始项目运行报错问题

今天在学习运用vue的nuxt/koa框架,初始化项目之后,在执行 $> npm run dev 时报错,错误详细信息如下:

解决nuxt/koa架构初始项目运行报错问题插图1

点击查看报错的详细内容
> npm run dev
Debugger attached.

> ice@1.1.0 dev
> backpack dev

Debugger attached.
Debugger attached.

 ERROR  Failed to compile with 1 errors                                                           下午5:52:10
 error  in ./server/index.js

Module build failed: Error: Plugin/Preset files are not allowed to export objects, only functions. In E:Vue***node_modulesbackpack-corebabel.js
    at createDescriptor (E:Vue***node_modules@babelcorelibconfigconfig-descriptors.js:196:11)        
    at createDescriptor.next ()
    at step (E:Vue***node_modulesgensyncindex.js:261:32)
    at E:Vue***node_modulesgensyncindex.js:273:13
    at async.call.result.err.err (E:Vue***node_modulesgensyncindex.js:223:11)

Debugger attached.
Waiting for the debugger to disconnect...
node:internal/modules/cjs/loader:936
  throw err;
  ^

先是找到了出错的模块文件的那行代码,发现是官方包,那第一个想到的肯定是版本不一致。所以先把backpack包的版本升级到了0.7.0,即运行命令:
npm install backpack-core@0.7.0
然后运行一次 npm run dev, 发现问题依然存在:

点击查看Error信息
Error: Cannot find module 'E:Vuebuildmain.js'
    at Function.Module._resolveFilename (node:internal/modules/cjs/loader:933:15)
    at Function.Module._load (node:internal/modules/cjs/loader:778:27)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12)
    at node:internal/main/run_main_module:17:47 {
  code: 'MODULE_NOT_FOUND',
  requireStack: []
}
Waiting for the debugger to disconnect...

好烦,还是没解决问题。看报错信息的意思是 Plugin/Preset files are not allowed to export objects, only functions.
最后,根据这个报错信息在网上找到了类似问题的解决办法,修改nuxt.config.js中如下配置代码:

点击查看代码
    /*
     ** Run ESLINT on save
     */
    extend (config, ctx) {
      // if (ctx.isClient) { //将原来生成的这行注释,改为下行的判断即可
      if(ctx.Client&&ctx.isDev) {
        config.module.rules.push({
          enforce: 'pre',
          test: /.(js|vue)$/,
          loader: 'eslint-loader',
          exclude: /(node_modules)/
        })
      }
    }

再次运行,终于跑起来了。
解决nuxt/koa架构初始项目运行报错问题插图2

点击查看运行结果
> npm run dev
Debugger attached.

> ice@1.1.0 dev
> backpack dev

Debugger attached.
Debugger attached.

 DONE  Compiled successfully in 3219ms                                                            下午5:53:46

Debugger attached.
i Preparing project for development                                                                17:53:59
i Initial build may take a while                                                                   17:53:59

i NuxtJS collects completely anonymous data about usage.                                           17:54:03
  This will help us improve Nuxt developer experience over time.
  Read more on https://git.io/nuxt-telemetry

? Are you interested in participating? (Y/n) y
? Are you interested in participating? Yes

√ Builder initialized                                                                              17:54:14  
√ Nuxt files generated                                                                             17:54:14  

√ Client
  Compiled successfully in 10.45s

√ Server
  Compiled successfully in 9.59s

i Waiting for file changes                                                                         17:54:32  
Server listening on 127.0.0.1:3000

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