安装包后Webpack无法编译错误

我正在使用Angular 4的一些样板代码，并且遇到问题。它工作正常，直到我从npm下载另一个包。我得到以下错误，并且ng服务命令不再起作用。该项目已经安装了jquery，所以错误对我来说没有意义。没有webpack.config.js文件，所以我添加了下面的代码。任何帮助，将不胜感激。安装包后Webpack无法编译错误

webpack.config.js文件

var webpack = require('webpack'); 

var config = { 
    plugins: [ 
     new webpack.ProvidePlugin({ 
      $: "jquery", 
      jQuery: "jquery" 
     }) 
    ] 
}; 
module.exports = config;

错误

WARNING in ./~/jsdom/lib/jsdom/utils.js 216:21-40 Critical dependency: the request of a dependency is an expression

WARNING in ./~/jsdom/lib/jsdom/living/xmlhttprequest.js 20:23-30 Critical dependency: require function is used in a way in which dependencies cannot be statically extracted

WARNING in ./~/ajv/lib/async.js 96:20-33 Critical dependency: the request of a dependency is an expression

WARNING in ./~/ajv/lib/async.js 119:15-28 Critical dependency: the request of a dependency is an expression

WARNING in ./~/ajv/lib/compile/index.js 13:21-34 Critical dependency: the request of a dependency is an expression

ERROR in ./~/jquery/lib/node-jquery.js Module not found: Error: Can't resolve 'xmlhttprequest' in 'E:\WebstormProjects\innovation-node-server-2.0\node_modules\jquery\lib' @ ./~/jquery/lib/node-jquery.js 8:28-53 @ ./src/lib.ts @ ./src/main.ts @ multi webpack-dev-server/client? http://localhost:4200 ./src/main.ts

ERROR in ./~/jquery/lib/node-jquery.js Module not found: Error: Can't resolve 'location' in 'E:\WebstormProjects\innovation-node-server-2.0\node_modules\jquery\lib' @ ./~/jquery/lib/node-jquery.js 13:24-43 @ ./src/lib.ts @ ./src/main.ts @ multi webpack-dev-server/client? http://localhost:4200 ./src/main.ts

ERROR in ./~/jquery/lib/node-jquery.js Module not found: Error: Can't resolve 'navigator' in 'E:\WebstormProjects\innovation-node-server-2.0\node_modules\jquery\lib' @ ./~/jquery/lib/node-jquery.js 17:25-45 @ ./src/lib.ts @ ./src/main.ts @ multi webpack-dev-server/client? http://localhost:4200 ./src/main.ts

ERROR in ./~/jsdom/lib/jsdom/living/xmlhttprequest.js Module not found: Error: Can't resolve 'child_process' in 'E:\WebstormProjects\innovation-node-server-2.0\node_modules\jsdom\lib\jsdom\living' @ ./~/jsdom/lib/jsdom/living/xmlhttprequest.js 4:18-42 @ ./~/jsdom/lib/jsdom/browser/Window.js @ ./~/jsdom/lib/jsdom.js @ ./~/jquery/lib/node-jquery.js @ ./src/lib.ts @ ./src/main.ts @ multi webpack-dev-server/client? http://localhost:4200 ./src/main.ts webpack: Failed to compile.

来源

2017-09-19 James Morris

删除你的'node_nodules'文件夹并重新安装，看起来你有一个损坏的软件包。 – James

@詹姆斯我删除了我的node_nodules文件夹，并一直工作，直到我下载了另一个包前。 npm install --save @ types/mongoose。在此之后，我得到了同样的错误。我没有再次删除文件夹，而是运行了npm install并修复了它。为什么我需要每次都这样做？ –

你使用的是'webpack-dev-server'还是'webpack -w'？有时他们可能会过早地重新编译，让事情处于滑稽状态。 – James

角CLI内部使用的软件包并进行安装，所以你不会看到他们的package.json文件，以便删除您wepback配置文件。如果你想完全控制软件包使用弹出，你会看到webpack配置文件，但你会松开ng - 任何命令。并重新检查你是如何将jquery添加到你的项目中的。

来源

2017-09-19 13:21:48 alexKhymenko

安装包后Webpack无法编译错误

回答

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