Error: Cannot find module "core-js/modules/es6.regexp.constructor"

xmh • 2020年06月02日 pm18:46 • 前端开发, Vue, • 阅读 3803

下载了vue-element-admin项目，环境配置好之后，npm run dev 运行，却出现了如下错误信息：

INFO  Starting development server...
 10% building 2/2 modules 0 active ERROR  Error: Cannot find module 'core-js/modules/es6.regexp.constructor'
 Require stack:
- E:\demo\mock\index.js
- E:\demo\mock\mock-server.js
- E:\demo\vue.config.js
- E:\demo\node_modules\_@vue_cli-service@3.5.3@@vue\cli-service\lib\Service.js
- E:\demo\node_modules\_@vue_cli-service@3.5.3@@vue\cli-service\bin\vue-cli-service.js
Error: Cannot find module 'core-js/modules/es6.regexp.constructor'
Require stack:
- E:\demo\mock\index.js
- E:\demo\mock\mock-server.js
- E:\demo\vue.config.js
- E:\demo\node_modules\_@vue_cli-service@3.5.3@@vue\cli-service\lib\Service.js
- E:\demo\node_modules\_@vue_cli-service@3.5.3@@vue\cli-service\bin\vue-cli-service.js
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:982:15)
    at Function.Module._load (internal/modules/cjs/loader.js:864:27)
    at Module.require (internal/modules/cjs/loader.js:1044:19)
    at require (internal/modules/cjs/helpers.js:77:18)
    at Object.<anonymous> (E:\demo\mock\index.js:11:1)
    at Module._compile (internal/modules/cjs/loader.js:1158:30)
    at Module._compile (E:\demo\node_modules\_pirates@4.0.1@pirates\lib\index.js:99:24)
    at Module._extensions..js (internal/modules/cjs/loader.js:1178:10)
    at Object.newLoader [as .js] (E:\demo\node_modules\_pirates@4.0.1@pirates\lib\index.js:104:7)  
    at Module.load (internal/modules/cjs/loader.js:1002:32)
    at Function.Module._load (internal/modules/cjs/loader.js:901:14)
    at Module.require (internal/modules/cjs/loader.js:1044:19)
    at require (internal/modules/cjs/helpers.js:77:18)
    at registerRoutes (E:\demo\mock\mock-server.js:11:30)
    at Object.module.exports [as before] (E:\demo\mock\mock-server.js:57:22)
    at Object.before (E:\demo\node_modules\_@vue_cli-service@3.5.3@@vue\cli-service\lib\commands\serve.js:165:67)
npm ERR! errno 1
npm ERR! vue-element-admin@4.2.1 dev: `vue-cli-service serve`
npm ERR! Exit status 1
npm ERR!
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\demo\AppData\Roaming\npm-cache\_logs\2020-06-02T10_35_05_090Z-debug.log

正常情况下，不应该呀！但实际情况就是这样了。

根据错误提示，是与ES6有关，大概就是因为core-js的问题了。

使用下面的命令，安装一下core-js，一切运行正常了！！

cnpm install core-js@2

运行OK：

 DONE  Compiled successfully in 39130ms

Error: Cannot find module "core-js/modules/es6.regexp.constructor"

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