update webpack to version 3

build/build.js

@@ -1,35 +1,41 @@
-// https://github.com/shelljs/shelljs
-require('shelljs/global')
-env.NODE_ENV = 'production'
+'use strict'
+require('./check-versions')()
 
-var path = require('path')
-var config = require('../config')
-var ora = require('ora')
-var webpack = require('webpack')
-var webpackConfig = require('./webpack.prod.conf')
+process.env.NODE_ENV = 'production'
 
-console.log(
-  '  Tip:\n' +
-  '  Built files are meant to be served over an HTTP server.\n' +
-  '  Opening index.html over file:// won\'t work.\n'
-)
+const ora = require('ora')
+const rm = require('rimraf')
+const path = require('path')
+const chalk = require('chalk')
+const webpack = require('webpack')
+const config = require('../config')
+const webpackConfig = require('./webpack.prod.conf')
 
-var spinner = ora('building UMD module...')
+const spinner = ora('building for production...')
 spinner.start()
 
-var assetsPath = path.join(config.build.assetsRoot, config.build.assetsSubDirectory)
-rm('-rf', assetsPath)
-mkdir('-p', assetsPath)
-
-
-webpack(webpackConfig, function (err, stats) {
-  spinner.stop()
+rm(path.join(config.build.assetsRoot, config.build.assetsSubDirectory), err => {
   if (err) throw err
-  process.stdout.write(stats.toString({
-    colors: true,
-    modules: false,
-    children: false,
-    chunks: false,
-    chunkModules: false
-  }) + '\n')
+  webpack(webpackConfig, function (err, stats) {
+    spinner.stop()
+    if (err) throw err
+    process.stdout.write(stats.toString({
+      colors: true,
+      modules: false,
+      children: false,
+      chunks: false,
+      chunkModules: false
+    }) + '\n\n')
+
+    if (stats.hasErrors()) {
+      console.log(chalk.red('  Build failed with errors.\n'))
+      process.exit(1)
+    }
+
+    console.log(chalk.cyan('  Build complete.\n'))
+    console.log(chalk.yellow(
+      '  Tip: built files are meant to be served over an HTTP server.\n' +
+      '  Opening index.html over file:// won\'t work.\n'
+    ))
+  })
 })

build/check-versions.js

@@ -0,0 +1,49 @@
+'use strict'
+const chalk = require('chalk')
+const semver = require('semver')
+const packageConfig = require('../package.json')
+const shell = require('shelljs')
+function exec (cmd) {
+  return require('child_process').execSync(cmd).toString().trim()
+}
+
+const versionRequirements = [
+  {
+    name: 'node',
+    currentVersion: semver.clean(process.version),
+    versionRequirement: packageConfig.engines.node
+  }
+]
+
+if (shell.which('npm')) {
+  versionRequirements.push({
+    name: 'npm',
+    currentVersion: exec('npm --version'),
+    versionRequirement: packageConfig.engines.npm
+  })
+}
+
+module.exports = function () {
+  const warnings = []
+  for (let i = 0; i < versionRequirements.length; i++) {
+    const mod = versionRequirements[i]
+    if (!semver.satisfies(mod.currentVersion, mod.versionRequirement)) {
+      warnings.push(mod.name + ': ' +
+        chalk.red(mod.currentVersion) + ' should be ' +
+        chalk.green(mod.versionRequirement)
+      )
+    }
+  }
+
+  if (warnings.length) {
+    console.log('')
+    console.log(chalk.yellow('To use this template, you must update following to modules:'))
+    console.log()
+    for (let i = 0; i < warnings.length; i++) {
+      const warning = warnings[i]
+      console.log('  ' + warning)
+    }
+    console.log()
+    process.exit(1)
+  }
+}

build/dev-client.js

@@ -1,4 +1,5 @@
 /* eslint-disable */
+'use strict'
 require('eventsource-polyfill')
 var hotClient = require('webpack-hot-middleware/client?noInfo=true&reload=true')
 

build/dev-server.js

@@ -1,45 +1,61 @@
-var path = require('path')
-var express = require('express')
-var webpack = require('webpack')
-var config = require('../config')
-var proxyMiddleware = require('http-proxy-middleware')
-var webpackConfig = process.env.NODE_ENV === 'testing'
+'use strict'
+require('./check-versions')()
+
+const config = require('../config')
+if (!process.env.NODE_ENV) {
+  process.env.NODE_ENV = JSON.parse(config.dev.env.NODE_ENV)
+}
+
+const opn = require('opn')
+const path = require('path')
+const express = require('express')
+const webpack = require('webpack')
+const proxyMiddleware = require('http-proxy-middleware')
+const webpackConfig = (process.env.NODE_ENV === 'testing' || process.env.NODE_ENV === 'production')
   ? require('./webpack.prod.conf')
   : require('./webpack.dev.conf')
 
 // default port where dev server listens for incoming traffic
-var port = process.env.PORT || config.dev.port
+const port = process.env.PORT || config.dev.port
+// automatically open browser, if not set will be false
+const autoOpenBrowser = !!config.dev.autoOpenBrowser
 // Define HTTP proxies to your custom API backend
 // https://github.com/chimurai/http-proxy-middleware
-var proxyTable = config.dev.proxyTable
+const proxyTable = config.dev.proxyTable
 
-var app = express()
-var compiler = webpack(webpackConfig)
+const app = express()
+const compiler = webpack(webpackConfig)
 
-var devMiddleware = require('webpack-dev-middleware')(compiler, {
+const devMiddleware = require('webpack-dev-middleware')(compiler, {
   publicPath: webpackConfig.output.publicPath,
-  stats: {
-    colors: true,
-    chunks: false
-  }
+  quiet: true
 })
 
-var hotMiddleware = require('webpack-hot-middleware')(compiler)
-// force page reload when html-webpack-plugin template changes
-compiler.plugin('compilation', function (compilation) {
-  compilation.plugin('html-webpack-plugin-after-emit', function (data, cb) {
-    hotMiddleware.publish({ action: 'reload' })
-    cb()
-  })
+const hotMiddleware = require('webpack-hot-middleware')(compiler, {
+  log: false,
+  heartbeat: 2000
 })
+// force page reload when html-webpack-plugin template changes
+// currently disabled until this is resolved:
+// https://github.com/jantimon/html-webpack-plugin/issues/680
+// compiler.plugin('compilation', function (compilation) {
+//   compilation.plugin('html-webpack-plugin-after-emit', function (data, cb) {
+//     hotMiddleware.publish({ action: 'reload' })
+//     cb()
+//   })
+// })
+
+// enable hot-reload and state-preserving
+// compilation error display
+app.use(hotMiddleware)
 
 // proxy api requests
 Object.keys(proxyTable).forEach(function (context) {
-  var options = proxyTable[context]
+  const options = proxyTable[context]
   if (typeof options === 'string') {
     options = { target: options }
   }
-  app.use(proxyMiddleware(context, options))
+  app.use(proxyMiddleware(options.filter || context, options))
 })
 
 // handle fallback for HTML5 history API
@@ -48,18 +64,44 @@ app.use(require('connect-history-api-fallback')())
 // serve webpack bundle output
 app.use(devMiddleware)
 
-// enable hot-reload and state-preserving
-// compilation error display
-app.use(hotMiddleware)
-
 // serve pure static assets
-var staticPath = path.posix.join(config.build.assetsPublicPath, config.build.assetsSubDirectory)
+const staticPath = path.posix.join(config.dev.assetsPublicPath, config.dev.assetsSubDirectory)
 app.use(staticPath, express.static('./static'))
 
-module.exports = app.listen(port, function (err) {
-  if (err) {
-    console.log(err)
-    return
-  }
-  console.log('Listening at http://localhost:' + port + '\n')
+const uri = 'http://localhost:' + port
+
+var _resolve
+var _reject
+var readyPromise = new Promise((resolve, reject) => {
+  _resolve = resolve
+  _reject = reject
 })
+
+var server
+var portfinder = require('portfinder')
+portfinder.basePort = port
+
+console.log('> Starting dev server...')
+devMiddleware.waitUntilValid(() => {
+  portfinder.getPort((err, port) => {
+    if (err) {
+      _reject(err)
+    }
+    process.env.PORT = port
+    var uri = 'http://localhost:' + port
+    console.log('> Listening at ' + uri + '\n')
+    // when env is testing, don't need open it
+    if (autoOpenBrowser && process.env.NODE_ENV !== 'testing') {
+      opn(uri)
+    }
+    server = app.listen(port)
+    _resolve()
+  })
+})
+
+module.exports = {
+  ready: readyPromise,
+  close: () => {
+    server.close()
+  }
+}

build/utils.js

@@ -1,55 +1,71 @@
-var path = require('path')
-var config = require('../config')
-var ExtractTextPlugin = require('extract-text-webpack-plugin')
+'use strict'
+const path = require('path')
+const config = require('../config')
+const ExtractTextPlugin = require('extract-text-webpack-plugin')
 
 exports.assetsPath = function (_path) {
-  return path.posix.join(config.build.assetsSubDirectory, _path)
+  const assetsSubDirectory = process.env.NODE_ENV === 'production'
+    ? config.build.assetsSubDirectory
+    : config.dev.assetsSubDirectory
+  return path.posix.join(assetsSubDirectory, _path)
 }
 
 exports.cssLoaders = function (options) {
   options = options || {}
-  // generate loader string to be used with extract text plugin
-  function generateLoaders (loaders) {
-    var sourceLoader = loaders.map(function (loader) {
-      var extraParamChar
-      if (/\?/.test(loader)) {
-        loader = loader.replace(/\?/, '-loader?')
-        extraParamChar = '&'
-      } else {
-        loader = loader + '-loader'
-        extraParamChar = '?'
-      }
-      return loader + (options.sourceMap ? extraParamChar + 'sourceMap' : '')
-    }).join('!')
 
-    if (options.extract) {
-      return ExtractTextPlugin.extract('vue-style-loader', sourceLoader)
-    } else {
-      return ['vue-style-loader', sourceLoader].join('!')
+  const cssLoader = {
+    loader: 'css-loader',
+    options: {
+      minimize: process.env.NODE_ENV === 'production',
+      sourceMap: options.sourceMap
     }
   }
 
-  // http://vuejs.github.io/vue-loader/configurations/extract-css.html
+  // generate loader string to be used with extract text plugin
+  function generateLoaders (loader, loaderOptions) {
+    const loaders = [cssLoader]
+    if (loader) {
+      loaders.push({
+        loader: loader + '-loader',
+        options: Object.assign({}, loaderOptions, {
+          sourceMap: options.sourceMap
+        })
+      })
+    }
+
+    // Extract CSS when that option is specified
+    // (which is the case during production build)
+    if (options.extract) {
+      return ExtractTextPlugin.extract({
+        use: loaders,
+        fallback: 'vue-style-loader'
+      })
+    } else {
+      return ['vue-style-loader'].concat(loaders)
+    }
+  }
+
+  // https://vue-loader.vuejs.org/en/configurations/extract-css.html
   return {
-    css: generateLoaders(['css']),
-    postcss: generateLoaders(['css']),
-    less: generateLoaders(['css', 'less']),
-    sass: generateLoaders(['css', 'sass?indentedSyntax']),
-    scss: generateLoaders(['css', 'sass']),
-    stylus: generateLoaders(['css', 'stylus']),
-    styl: generateLoaders(['css', 'stylus'])
+    css: generateLoaders(),
+    postcss: generateLoaders(),
+    less: generateLoaders('less'),
+    sass: generateLoaders('sass', { indentedSyntax: true }),
+    scss: generateLoaders('sass'),
+    stylus: generateLoaders('stylus'),
+    styl: generateLoaders('stylus')
   }
 }
 
 // Generate loaders for standalone style files (outside of .vue)
 exports.styleLoaders = function (options) {
-  var output = []
-  var loaders = exports.cssLoaders(options)
-  for (var extension in loaders) {
-    var loader = loaders[extension]
+  const output = []
+  const loaders = exports.cssLoaders(options)
+  for (const extension in loaders) {
+    const loader = loaders[extension]
     output.push({
       test: new RegExp('\\.' + extension + '$'),
-      loader: loader
+      use: loader
     })
   }
   return output

build/vue-loader.conf.js

@@ -0,0 +1,19 @@
+'use strict'
+const utils = require('./utils')
+const config = require('../config')
+const isProduction = process.env.NODE_ENV === 'production'
+
+module.exports = {
+  loaders: utils.cssLoaders({
+    sourceMap: isProduction
+      ? config.build.productionSourceMap
+      : config.dev.cssSourceMap,
+    extract: isProduction
+  }),
+  transformToRequire: {
+    video: 'src',
+    source: 'src',
+    img: 'src',
+    image: 'xlink:href'
+  }
+}

build/webpack.base.conf.js

@@ -1,7 +1,12 @@
-var path = require('path')
-var config = require('../config')
-var utils = require('./utils')
-var projectRoot = path.resolve(__dirname, '../')
+'use strict'
+const path = require('path')
+const utils = require('./utils')
+const config = require('../config')
+const vueLoaderConfig = require('./vue-loader.conf')
+
+function resolve (dir) {
+  return path.join(__dirname, '..', dir)
+}
 
 module.exports = {
   entry: {
@@ -9,77 +14,63 @@ module.exports = {
   },
   output: {
     path: config.build.assetsRoot,
-    publicPath: config.build.assetsPublicPath,
-    filename: '[name].js'
+    filename: '[name].js',
+    publicPath: process.env.NODE_ENV === 'production'
+      ? config.build.assetsPublicPath
+      : config.dev.assetsPublicPath
   },
   resolve: {
-    extensions: ['', '.js', '.vue'],
-    fallback: [path.join(__dirname, '../node_modules')],
+    extensions: ['.js', '.vue', '.json'],
     alias: {
-      'src': path.resolve(__dirname, '../src'),
-      'mixins': path.resolve(__dirname, '../src/mixins'),
-      'BaseCharts': path.resolve(__dirname, '../src/BaseCharts')
+      'vue$': 'vue/dist/vue.esm.js',
+      '@': resolve('src')
     }
   },
-  resolveLoader: {
-    fallback: [path.join(__dirname, '../node_modules')]
-  },
   module: {
-    preLoaders: [
+    rules: [
+      {
+        test: /\.(js|vue)$/,
+        loader: 'eslint-loader',
+        enforce: 'pre',
+        include: [resolve('src'), resolve('test')],
+        options: {
+          formatter: require('eslint-friendly-formatter')
+        }
+      },
       {
         test: /\.vue$/,
-        loader: 'eslint',
-        include: projectRoot,
-        exclude: /node_modules/
+        loader: 'vue-loader',
+        options: vueLoaderConfig
       },
       {
         test: /\.js$/,
-        loader: 'eslint',
-        include: projectRoot,
-        exclude: /node_modules/
-      }
-    ],
-    loaders: [
-      {
-        test: /\.vue$/,
-        loader: 'vue'
-      },
-      {
-        test: /\.js$/,
-        loader: 'babel',
-        include: projectRoot,
-        exclude: /node_modules/
-      },
-      {
-        test: /\.json$/,
-        loader: 'json'
-      },
-      {
-        test: /\.html$/,
-        loader: 'vue-html'
+        loader: 'babel-loader',
+        include: [resolve('src'), resolve('test')]
       },
       {
         test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
-        loader: 'url',
-        query: {
+        loader: 'url-loader',
+        options: {
           limit: 10000,
           name: utils.assetsPath('img/[name].[hash:7].[ext]')
         }
       },
+      {
+        test: /\.(mp4|webm|ogg|mp3|wav|flac|aac)(\?.*)?$/,
+        loader: 'url-loader',
+        options: {
+          limit: 10000,
+          name: utils.assetsPath('media/[name].[hash:7].[ext]')
+        }
+      },
       {
         test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
-        loader: 'url',
-        query: {
+        loader: 'url-loader',
+        options: {
           limit: 10000,
           name: utils.assetsPath('fonts/[name].[hash:7].[ext]')
         }
       }
     ]
-  },
-  eslint: {
-    formatter: require('eslint-friendly-formatter')
-  },
-  vue: {
-    loaders: utils.cssLoaders()
   }
 }

build/webpack.dev.conf.js

@@ -1,9 +1,11 @@
-var config = require('../config')
-var webpack = require('webpack')
-var merge = require('webpack-merge')
-var utils = require('./utils')
-var baseWebpackConfig = require('./webpack.base.conf')
-var HtmlWebpackPlugin = require('html-webpack-plugin')
+'use strict'
+const utils = require('./utils')
+const webpack = require('webpack')
+const config = require('../config')
+const merge = require('webpack-merge')
+const baseWebpackConfig = require('./webpack.base.conf')
+const HtmlWebpackPlugin = require('html-webpack-plugin')
+const FriendlyErrorsPlugin = require('friendly-errors-webpack-plugin')
 
 // add hot-reload related code to entry chunks
 Object.keys(baseWebpackConfig.entry).forEach(function (name) {
@@ -12,23 +14,23 @@ Object.keys(baseWebpackConfig.entry).forEach(function (name) {
 
 module.exports = merge(baseWebpackConfig, {
   module: {
-    loaders: utils.styleLoaders()
+    rules: utils.styleLoaders({ sourceMap: config.dev.cssSourceMap })
   },
-  // eval-source-map is faster for development
-  devtool: '#eval-source-map',
+  // cheap-module-eval-source-map is faster for development
+  devtool: '#cheap-module-eval-source-map',
   plugins: [
     new webpack.DefinePlugin({
       'process.env': config.dev.env
     }),
     // https://github.com/glenjamin/webpack-hot-middleware#installation--usage
-    new webpack.optimize.OccurenceOrderPlugin(),
     new webpack.HotModuleReplacementPlugin(),
-    new webpack.NoErrorsPlugin(),
+    new webpack.NoEmitOnErrorsPlugin(),
     // https://github.com/ampedandwired/html-webpack-plugin
     new HtmlWebpackPlugin({
       filename: 'index.html',
       template: 'index.html',
       inject: true
-    })
+    }),
+    new FriendlyErrorsPlugin()
   ]
 })

build/webpack.prod.conf.js

@@ -1,33 +1,128 @@
+'use strict'
+const path = require('path')
+const utils = require('./utils')
 const webpack = require('webpack')
-const base = require('./webpack.base.conf')
 const config = require('../config')
-var env = process.env.NODE_ENV === 'testing'
+const merge = require('webpack-merge')
+const baseWebpackConfig = require('./webpack.base.conf')
+const CopyWebpackPlugin = require('copy-webpack-plugin')
+const HtmlWebpackPlugin = require('html-webpack-plugin')
+const ExtractTextPlugin = require('extract-text-webpack-plugin')
+const OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')
+
+const env = process.env.NODE_ENV === 'testing'
   ? require('../config/test.env')
   : config.build.env
 
-base.entry = {
-  lib: './src/index.js'
+const webpackConfig = merge(baseWebpackConfig, {
+  module: {
+    rules: utils.styleLoaders({
+      sourceMap: config.build.productionSourceMap,
+      extract: true
+    })
+  },
+  devtool: config.build.productionSourceMap ? '#source-map' : false,
+  output: {
+    path: config.build.assetsRoot,
+    filename: utils.assetsPath('js/[name].[chunkhash].js'),
+    chunkFilename: utils.assetsPath('js/[id].[chunkhash].js')
+  },
+  plugins: [
+    // http://vuejs.github.io/vue-loader/en/workflow/production.html
+    new webpack.DefinePlugin({
+      'process.env': env
+    }),
+    // UglifyJs do not support ES6+, you can also use babel-minify for better treeshaking: https://github.com/babel/minify
+    new webpack.optimize.UglifyJsPlugin({
+      compress: {
+        warnings: false
+      },
+      sourceMap: true
+    }),
+    // extract css into its own file
+    new ExtractTextPlugin({
+      filename: utils.assetsPath('css/[name].[contenthash].css')
+    }),
+    // Compress extracted CSS. We are using this plugin so that possible
+    // duplicated CSS from different components can be deduped.
+    new OptimizeCSSPlugin({
+      cssProcessorOptions: {
+        safe: true
+      }
+    }),
+    // generate dist index.html with correct asset hash for caching.
+    // you can customize output by editing /index.html
+    // see https://github.com/ampedandwired/html-webpack-plugin
+    new HtmlWebpackPlugin({
+      filename: process.env.NODE_ENV === 'testing'
+        ? 'index.html'
+        : config.build.index,
+      template: 'index.html',
+      inject: true,
+      minify: {
+        removeComments: true,
+        collapseWhitespace: true,
+        removeAttributeQuotes: true
+        // more options:
+        // https://github.com/kangax/html-minifier#options-quick-reference
+      },
+      // necessary to consistently work with multiple chunks via CommonsChunkPlugin
+      chunksSortMode: 'dependency'
+    }),
+    // keep module.id stable when vender modules does not change
+    new webpack.HashedModuleIdsPlugin(),
+    // split vendor js into its own file
+    new webpack.optimize.CommonsChunkPlugin({
+      name: 'vendor',
+      minChunks: function (module) {
+        // any required modules inside node_modules are extracted to vendor
+        return (
+          module.resource &&
+          /\.js$/.test(module.resource) &&
+          module.resource.indexOf(
+            path.join(__dirname, '../node_modules')
+          ) === 0
+        )
+      }
+    }),
+    // extract webpack runtime and module manifest to its own file in order to
+    // prevent vendor hash from being updated whenever app bundle is updated
+    new webpack.optimize.CommonsChunkPlugin({
+      name: 'manifest',
+      chunks: ['vendor']
+    }),
+    // copy custom static assets
+    new CopyWebpackPlugin([
+      {
+        from: path.resolve(__dirname, '../static'),
+        to: config.build.assetsSubDirectory,
+        ignore: ['.*']
+      }
+    ])
+  ]
+})
+
+if (config.build.productionGzip) {
+  const CompressionWebpackPlugin = require('compression-webpack-plugin')
+
+  webpackConfig.plugins.push(
+    new CompressionWebpackPlugin({
+      asset: '[path].gz[query]',
+      algorithm: 'gzip',
+      test: new RegExp(
+        '\\.(' +
+        config.build.productionGzipExtensions.join('|') +
+        ')$'
+      ),
+      threshold: 10240,
+      minRatio: 0.8
+    })
+  )
 }
 
-base.output = {
-  path: config.build.assetsRoot,
-  publicPath: config.build.assetsPublicPath,
-  filename: 'vue-chartjs.js',
-  library: 'VueChartJs',
-  libraryTarget: 'umd'
+if (config.build.bundleAnalyzerReport) {
+  const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
+  webpackConfig.plugins.push(new BundleAnalyzerPlugin())
 }
 
-var webpackConfig = Object.assign({}, base)
-
-webpackConfig.devtool = '#source-map'
-webpackConfig.plugins = (webpackConfig.plugins || []).concat([
-  new webpack.DefinePlugin({
-    'process.env.NODE_ENV': env
-  }),
-  new webpack.optimize.UglifyJsPlugin({
-    compress: { warnings: false }
-  }),
-  new webpack.optimize.OccurenceOrderPlugin(),
-])
-
 module.exports = webpackConfig

build/webpack.release.full.js

@@ -1,17 +1,22 @@
-var vue = require('vue-loader')
+// var vue = require('vue-loader')
 var path = require('path')
-var webpack = require("webpack")
-var ExtractTextPlugin = require("extract-text-webpack-plugin")
+var webpack = require('webpack')
+var ExtractTextPlugin = require('extract-text-webpack-plugin')
 var projectRoot = path.resolve(__dirname, '../')
 var cssLoader = ExtractTextPlugin.extract('style-loader', 'css-loader')
-const npmCfg = require('../package.json');
+const npmCfg = require('../package.json')
+const vueLoaderConfig = require('./vue-loader.conf')
 
 var banner = [
-    npmCfg.name + ' v' + npmCfg.version,
-    '(c) ' + (new Date().getFullYear()) + ' ' + npmCfg.author,
-    npmCfg.homepage
+  npmCfg.name + ' v' + npmCfg.version,
+  '(c) ' + (new Date().getFullYear()) + ' ' + npmCfg.author,
+  npmCfg.homepage
 ].join('\n')
 
+function resolve (dir) {
+  return path.join(__dirname, '..', dir)
+}
+
 module.exports = {
   entry: {
     'vue-chartjs': './src/index.js'
@@ -22,30 +27,33 @@ module.exports = {
     libraryTarget: 'umd',
     umdNamedDefine: true
   },
+  resolve: {
+    extensions: ['.js', '.vue', '.json'],
+    alias: {
+      'vue$': 'vue/dist/vue.esm.js',
+      '@': resolve('src')
+    }
+  },
   module: {
-    preLoaders: [
+    rules: [
+      {
+        test: /\.(js|vue)$/,
+        loader: 'eslint-loader',
+        enforce: 'pre',
+        include: [resolve('src'), resolve('test')],
+        options: {
+          formatter: require('eslint-friendly-formatter')
+        }
+      },
       {
         test: /\.vue$/,
-        loader: 'eslint',
-        include: projectRoot,
-        exclude: /node_modules/
+        loader: 'vue-loader',
+        options: vueLoaderConfig
       },
       {
         test: /\.js$/,
-        loader: 'eslint',
-        include: projectRoot,
-        exclude: /node_modules/
-      }
-    ],
-    loaders: [
-      {
-        test: /\.vue$/,
-        loader: 'vue'
-      },
-      {
-        test: /\.js$/,
-        exclude: /node_modules/,
-        loader: 'babel'
+        loader: 'babel-loader',
+        include: [resolve('src'), resolve('test')]
       },
       {
         test: /\.css$/,
@@ -53,20 +61,14 @@ module.exports = {
       },
       {
         test: /\.s[a|c]ss$/,
-        loader: ExtractTextPlugin.extract('style-loader','css-loader!sass-loader')
+        loader: ExtractTextPlugin.extract('style-loader', 'css-loader!sass-loader')
       },
       {
-        test: /\.json$/, loader: 'json'
+        test: /\.json$/,
+        loader: 'json-loader'
       }
     ]
   },
-  eslint: {
-    formatter: require('eslint-friendly-formatter')
-  },
-  babel: {
-    presets: ['es2015'],
-    plugins: ['transform-runtime']
-  },
   plugins: [
     new webpack.BannerPlugin(banner)
   ]
@@ -85,8 +87,6 @@ if (process.env.NODE_ENV === 'production') {
       compress: {
         warnings: false
       }
-    }),
-    new webpack.optimize.OccurenceOrderPlugin()
-    // new ExtractTextPlugin('build.css')
+    })
   ]
 }

build/webpack.release.full.min.js

@@ -11,8 +11,7 @@ config.plugins = [
     compress: {
       warnings: false
     }
-  }),
-  new webpack.optimize.OccurenceOrderPlugin()
+  })
 ]
 
 module.exports = config

build/webpack.release.js

@@ -1,17 +1,20 @@
-var vue = require('vue-loader')
 var path = require('path')
-var webpack = require("webpack")
-var ExtractTextPlugin = require("extract-text-webpack-plugin")
-var projectRoot = path.resolve(__dirname, '../')
+var webpack = require('webpack')
+var ExtractTextPlugin = require('extract-text-webpack-plugin')
 var cssLoader = ExtractTextPlugin.extract('style-loader', 'css-loader')
-const npmCfg = require('../package.json');
+const npmCfg = require('../package.json')
+const vueLoaderConfig = require('./vue-loader.conf')
 
 var banner = [
-    npmCfg.name + ' v' + npmCfg.version,
-    '(c) ' + (new Date().getFullYear()) + ' ' + npmCfg.author,
-    npmCfg.homepage
+  npmCfg.name + ' v' + npmCfg.version,
+  '(c) ' + (new Date().getFullYear()) + ' ' + npmCfg.author,
+  npmCfg.homepage
 ].join('\n')
 
+function resolve (dir) {
+  return path.join(__dirname, '..', dir)
+}
+
 module.exports = {
   entry: {
     'vue-chartjs': './src/index.js'
@@ -25,30 +28,33 @@ module.exports = {
   externals: {
     'chart.js': 'chart.js'
   },
+  resolve: {
+    extensions: ['.js', '.vue', '.json'],
+    alias: {
+      'vue$': 'vue/dist/vue.esm.js',
+      '@': resolve('src')
+    }
+  },
   module: {
-    preLoaders: [
+    rules: [
+      {
+        test: /\.(js|vue)$/,
+        loader: 'eslint-loader',
+        enforce: 'pre',
+        include: [resolve('src'), resolve('test')],
+        options: {
+          formatter: require('eslint-friendly-formatter')
+        }
+      },
       {
         test: /\.vue$/,
-        loader: 'eslint',
-        include: projectRoot,
-        exclude: /node_modules/
+        loader: 'vue-loader',
+        options: vueLoaderConfig
       },
       {
         test: /\.js$/,
-        loader: 'eslint',
-        include: projectRoot,
-        exclude: /node_modules/
-      }
-    ],
-    loaders: [
-      {
-        test: /\.vue$/,
-        loader: 'vue'
-      },
-      {
-        test: /\.js$/,
-        exclude: /node_modules/,
-        loader: 'babel'
+        loader: 'babel-loader',
+        include: [resolve('src'), resolve('test')]
       },
       {
         test: /\.css$/,
@@ -56,27 +62,20 @@ module.exports = {
       },
       {
         test: /\.s[a|c]ss$/,
-        loader: ExtractTextPlugin.extract('style-loader','css-loader!sass-loader')
+        loader: ExtractTextPlugin.extract('style-loader', 'css-loader!sass-loader')
       },
       {
-        test: /\.json$/, loader: 'json'
+        test: /\.json$/,
+        loader: 'json-loader'
       }
     ]
   },
-  eslint: {
-    formatter: require('eslint-friendly-formatter')
-  },
-  babel: {
-    presets: ['es2015'],
-    plugins: ['transform-runtime']
-  },
   plugins: [
     new webpack.BannerPlugin(banner)
   ]
 }
 
 if (process.env.NODE_ENV === 'production') {
-
   delete module.exports.devtool
   module.exports.plugins = [
     new webpack.DefinePlugin({
@@ -88,8 +87,6 @@ if (process.env.NODE_ENV === 'production') {
       compress: {
         warnings: false
       }
-    }),
-    new webpack.optimize.OccurenceOrderPlugin()
-    // new ExtractTextPlugin('build.css')
+    })
   ]
 }

build/webpack.release.min.js

@@ -11,8 +11,7 @@ config.plugins = [
     compress: {
       warnings: false
     }
-  }),
-  new webpack.optimize.OccurenceOrderPlugin()
+  })
 ]
 
 module.exports = config

build/webpack.test.conf.js

@@ -0,0 +1,32 @@
+'use strict'
+// This is the webpack config used for unit tests.
+
+const utils = require('./utils')
+const webpack = require('webpack')
+const merge = require('webpack-merge')
+const baseWebpackConfig = require('./webpack.base.conf')
+
+const webpackConfig = merge(baseWebpackConfig, {
+  // use inline sourcemap for karma-sourcemap-loader
+  module: {
+    rules: utils.styleLoaders()
+  },
+  devtool: '#inline-source-map',
+  resolveLoader: {
+    alias: {
+      // necessary to to make lang="scss" work in test when using vue-loader's ?inject option
+      // see discussion at https://github.com/vuejs/vue-loader/issues/724
+      'scss-loader': 'sass-loader'
+    }
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env': require('../config/test.env')
+    })
+  ]
+})
+
+// no need for app entry during tests
+delete webpackConfig.entry
+
+module.exports = webpackConfig