Webpack错误 - 无法解析文件或目录 [英] Webpack Error - Cannot Resolve File or Directory

问题描述

当我启动webpack-dev-server时，我收到此错误：

I am getting this error when I npm start my webpack-dev-server:

ERROR in multi main
Module not found: Error: Cannot resolve 'file' or 'directory' /var/www/html/151208-DressingAphrodite/app in /var/www/html/151208-DressingAphrodite
 @ multi main

这是我的webpack.config.js：

Here is my webpack.config.js:

var path = require('path');
var webpack = require('webpack');
var HtmlWebpackPlugin = require ('html-webpack-plugin');

const PATHS = {
  app: path.join (__dirname, 'app'),
  build : path.join (__dirname, 'build')
};

module.exports = {
  entry : [
    'babel-polyfill',
    'webpack-dev-server/client?http://localhost:8080',
    PATHS.app
  ],
  output : {
      publicPath : '/',
      filename : 'dressingaphrodite.js',
      hash : true
  },
  debug : true,
  devServer : {
    contentBase : './app'
  },
  devtool : 'source-map',
  module : {
    loaders : [
      {
        test : /\.jsx?$/,
        include : PATHS.app,
        loader : 'babel-loader',
        query : {
          presets : ["es2015"]
        }
      },
      {
          test: /\.css$/,
          include: PATHS.app,
          loader: 'style!css'
      }
    ]
  },
  plugins : [
    new HtmlWebpackPlugin ({
      title : 'Dressing Aphrodite',
      filename : 'da.html'
    })
  ]
};

推荐答案

如果任何人面对这个问题，你可以解决它有两种方法：

ok if any one face this problem, you can solve it in 2 methods:

方法1：

1-添加文件在你的条目文件夹中调用package.json（在你的情况下把它放在文件夹{project_dir} /app/package.json）

1- add a file called package.json inside your entry folder (in your case put it inside the folder "{project_dir}/app/package.json")

2-在此文件中写入任何json对象，例如：

2- inside this file write any json object for example:

{
  "name": "webpack why you do diss :("
}

方法2 ：

将条目文件更改为距项目主目录至少2级，例如：{project_dir} / src / app

Change your entry files to be at least 2 level away from your project home directory, for example: "{project_dir}/src/app"

说明：对于每个条目文件，webpack将尝试查找名为package的文件。 json使用它进行webpack配置，这个入口文件是一个模块，当你把你的入口文件只有1级远离你的项目主页dir webpack将使用你的项目ect packge.json作为输入文件的配置文件，由于配置错误而失败。

Explanation: for each entry file webpack will try to find a file called package.json to use it for webpack configuration incase this entry file is a module, when you put your entry file only 1 level away from your project home dir webpack will use your project packge.json as configuration file for your entry file and it will fail because of miss configuration.

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