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node.js - 为什么“npm run watch”在 laravel 中会出错？

问题描述

我正在关注本教程http://w3programmers.com/bangla/build-an-e-commerce-project-with-laravel-in-bangla-part-6/。在本教程中，当在命令提示符下执行“npm run watch”时，会在 public/backend/js 中创建一个 app.js 文件。但是当我执行“npm run watch”时，没有创建这样的文件。执行“npm run watch”命令后，我在命令提示符中找到了这个

> @ watch E:\Laravel\ecommerce-application
> npm run development -- --watch


> @ development E:\Laravel\ecommerce-application
> node node_modules/cross-env/dist/bin/cross-env.js NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js "--watch"

internal/modules/cjs/loader.js:960
  throw err;
  ^

Error: Cannot find module 'E:\Laravel\ecommerce-application\node_modules\cross-env\dist\bin\cross-env.js'
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:957:15)
    at Function.Module._load (internal/modules/cjs/loader.js:840:27)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:74:12)
    at internal/main/run_main_module.js:18:47 {
  code: 'MODULE_NOT_FOUND',
  requireStack: []
}
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @ development: `node node_modules/cross-env/dist/bin/cross-env.js NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js "--watch"`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the @ development script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm WARN Local package.json exists, but node_modules missing, did you mean to install?

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\J.U.Jisan\AppData\Roaming\npm-cache\_logs\2020-05-09T18_22_08_016Z-debug.log
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @ watch: `npm run development -- --watch`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the @ watch script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm WARN Local package.json exists, but node_modules missing, did you mean to install?

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\J.U.Jisan\AppData\Roaming\npm-cache\_logs\2020-05-09T18_22_08_158Z-debug.log

标签： node.jslaravel

解决方案

运行这两条线，它们为我工作。

   $ npm config rm proxy
   $ npm config rm https-proxy

然后，去听你的命令。

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