javascript - Cannot find module error when using karma-webpack -


i have following karma.conf.js file, have test file called example.spec.js lives inside app/compontents/example/example.spec.js trying import example.js file

import example 'app/components/example/example.jsx';  describe('example component', function() {  });

but following error error: cannot find module "app/components/example/example.jsx" have tried many different ideas, such ./example.jsx, ./example, components/example/example.jsx each time same error.

var webpack = require('webpack');  module.exports = function(config) {  config.set({  // milliseconds browsernoactivitytimeout: 40000,  // frameworks use // available frameworks: https://npmjs.org/browse/keyword/karma-adapter frameworks: ['mocha', 'chai'],   // list of files / patterns load in browser files: [   'app/tests/setup.js',   'app/**/*.spec.js' ],  // preprocess matching files before serving them browser // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor preprocessors: {   'app/tests/setup.js': ['webpack', 'sourcemap'],   'app/**/*.spec.js': ['webpack', 'sourcemap'] },   webpack: {   devtool: 'inline-source-map',   cache: false,   resolve: {     extensions: ['', '.js', '.jsx'],     modulesdirectories: ['node_modules', 'app'],     fallback: __dirname   },   module: {     preloaders: [],     loaders: [       { test: /\.(js|jsx)$/, loaders: ['babel-loader'], exclude: /node_modules/ },     ],     plugins: [       new webpack.defineplugin({         'process.env.node_env': json.stringify('test')       })     ]   } },   webpackmiddleware: {   progress: false,   stats: false,   debug: false,   noinfo: true,   silent: true },   // test results reporter use // possible values: 'dots', 'progress' // available reporters: https://npmjs.org/browse/keyword/karma-reporter reporters: ['dots'],   // web server port port: 9876,   // enable / disable colors in output (reporters , logs) colors: true,   // level of logging // possible values: config.log_disable || config.log_error || config.log_warn || config.log_info || config.log_debug loglevel: config.log_info,   // enable / disable watching file , executing tests whenever file changes autowatch: false,   // start these browsers // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher browsers: ['phantomjs'],   // continuous integration mode // if true, karma captures browsers, runs tests , exits singlerun: true,  plugins: [   'karma-mocha',   'karma-chai',   'karma-webpack',   'karma-sourcemap-loader',   'karma-phantomjs-launcher' ] }); };

if want use import that, you'll need set resolve.alias. demo:

resolve: {     alias: {         app: path.join(__dirname, 'app')     } }

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