ReferenceError：找不到变量：require。 [因果报应，的WebPack]

我试图建立因果报应我Vue公司的js应用的端到端测试，但是当我尝试运行NPM测试，我得到这个错误ReferenceError：找不到变量：require。 [因果报应，的WebPack]

PhantomJS 2.1.1 (Mac OS X 0.0.0) ERROR 
ReferenceError: Can't find variable: require 
at index.js:1

我下面的测试官方VUE文件https://vue-loader.vuejs.org/en/workflow/testing.html

karma.config.js

var webpackConfig = require('../webpack.test.config.js') 

// karma.conf.js 
module.exports = function (config) { 
    config.set({ 
    browsers: ['PhantomJS'], 
    frameworks: ['jasmine'], 
    // this is the entry file for all our tests. 
    files: ['./index.js'], 
    // we will pass the entry file to webpack for bundling. 
    preprocessors: { 
     './test/index.js': ['webpack'] 
    }, 
    // use the webpack config 
    webpack: webpackConfig, 
    // avoid walls of useless text 
    webpackMiddleware: { 
     noInfo: true 
    }, 
    singleRun: true 
    }) 
} 

//index.js referenced in above karma config 
var testsContext = require.context('.', true, /\.spec$/)  
testsContext.keys().forEach(testsContext) 

//webpack.test.config.js 
const webpack = require('webpack'); 
const path = require('path'); 
const projectRoot = path.resolve(__dirname, '../'); 

module.exports = { 

    module: { 

    loaders: [ 
     { 
     test: /\.vue$/, 
     loader: 'vue-loader', 
     }, 
     { 
     test: /\.js$/, 
     loader: 'babel-loader', 
     query: { 
      presets: ['es2015'] 
     }, 
     include: [ 
      projectRoot, 
     ], 
     exclude: /node_modules/, 
     }, 
    ], 
    }, 
    plugins: [ 
    new webpack.ProvidePlugin({ 
     $: "jquery", 
     jQuery: "jquery" 
    }) 
    ], 
    resolve: { 
    extensions: ['.js', '.vue'], 
    }, 
};

来源

2017-06-21 Vishal

您是否安装了[karma-webpack]（https://www.npmjs.com/package/karma-webpack）？ –

@craig_h是的，我确实安装了karma-webpack – Vishal

它看起来像是由于某种原因webpack预处理器没有被应用。你可以看一下我用于我的一个项目的一个简单的因果配置，看看能否帮助你找出问题：https://github.com/craigh411/vue-star-rating/blob/master/karma.conf .js –

好了，所以这个问题是一个非常愚蠢的错误，同时给予在预处理index.js的路径我做了。

路径应该是./index.js而我已经给test/index.js。

来源

2017-06-22 05:41:34 Vishal

ReferenceError：找不到变量：require。 [因果报应，的WebPack]

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