webpack.prod.conf.js 4.9 KB

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  1. 'use strict'
  2. const path = require('path')
  3. const utils = require('./utils')
  4. const webpack = require('webpack')
  5. const config = require('../config')
  6. const merge = require('webpack-merge')
  7. const baseWebpackConfig = require('./webpack.base.conf')
  8. const CopyWebpackPlugin = require('copy-webpack-plugin')
  9. const HtmlWebpackPlugin = require('html-webpack-plugin')
  10. const ExtractTextPlugin = require('extract-text-webpack-plugin')
  11. const OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')
  12. const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
  13. const env = require('../config/prod.env')
  14. const webpackConfig = merge(baseWebpackConfig, {
  15. module: {
  16. rules: utils.styleLoaders({
  17. sourceMap: config.build.productionSourceMap,
  18. extract: true,
  19. usePostCSS: true
  20. })
  21. },
  22. devtool: config.build.productionSourceMap ? config.build.devtool : false,
  23. output: {
  24. path: config.build.assetsRoot,
  25. filename: utils.assetsPath('js/[name].[chunkhash].js'),
  26. chunkFilename: utils.assetsPath('js/[id].[chunkhash].js')
  27. },
  28. plugins: [
  29. // http://vuejs.github.io/vue-loader/en/workflow/production.html
  30. new webpack.DefinePlugin({
  31. 'process.env': env
  32. }),
  33. new UglifyJsPlugin({
  34. uglifyOptions: {
  35. compress: {
  36. warnings: false
  37. }
  38. },
  39. sourceMap: config.build.productionSourceMap,
  40. parallel: true
  41. }),
  42. // extract css into its own file
  43. new ExtractTextPlugin({
  44. filename: utils.assetsPath('css/[name].[contenthash].css'),
  45. // Setting the following option to `false` will not extract CSS from codesplit chunks.
  46. // Their CSS will instead be inserted dynamically with style-loader when the codesplit chunk has been loaded by webpack.
  47. // It's currently set to `true` because we are seeing that sourcemaps are included in the codesplit bundle as well when it's `false`,
  48. // increasing file size: https://github.com/vuejs-templates/webpack/issues/1110
  49. allChunks: true,
  50. }),
  51. // Compress extracted CSS. We are using this plugin so that possible
  52. // duplicated CSS from different components can be deduped.
  53. new OptimizeCSSPlugin({
  54. cssProcessorOptions: config.build.productionSourceMap
  55. ? { safe: true, map: { inline: false } }
  56. : { safe: true }
  57. }),
  58. // generate dist index.html with correct asset hash for caching.
  59. // you can customize output by editing /index.html
  60. // see https://github.com/ampedandwired/html-webpack-plugin
  61. new HtmlWebpackPlugin({
  62. filename: config.build.index,
  63. template: 'index.html',
  64. inject: true,
  65. minify: {
  66. removeComments: true,
  67. collapseWhitespace: true,
  68. removeAttributeQuotes: true
  69. // more options:
  70. // https://github.com/kangax/html-minifier#options-quick-reference
  71. },
  72. // necessary to consistently work with multiple chunks via CommonsChunkPlugin
  73. chunksSortMode: 'dependency'
  74. }),
  75. // keep module.id stable when vendor modules does not change
  76. new webpack.HashedModuleIdsPlugin(),
  77. // enable scope hoisting
  78. new webpack.optimize.ModuleConcatenationPlugin(),
  79. // split vendor js into its own file
  80. new webpack.optimize.CommonsChunkPlugin({
  81. name: 'vendor',
  82. minChunks (module) {
  83. // any required modules inside node_modules are extracted to vendor
  84. return (
  85. module.resource &&
  86. /\.js$/.test(module.resource) &&
  87. module.resource.indexOf(
  88. path.join(__dirname, '../node_modules')
  89. ) === 0
  90. )
  91. }
  92. }),
  93. // extract webpack runtime and module manifest to its own file in order to
  94. // prevent vendor hash from being updated whenever app bundle is updated
  95. new webpack.optimize.CommonsChunkPlugin({
  96. name: 'manifest',
  97. minChunks: Infinity
  98. }),
  99. // This instance extracts shared chunks from code splitted chunks and bundles them
  100. // in a separate chunk, similar to the vendor chunk
  101. // see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
  102. new webpack.optimize.CommonsChunkPlugin({
  103. name: 'app',
  104. async: 'vendor-async',
  105. children: true,
  106. minChunks: 3
  107. }),
  108. // copy custom static assets
  109. new CopyWebpackPlugin([
  110. {
  111. from: path.resolve(__dirname, '../static'),
  112. to: config.build.assetsSubDirectory,
  113. ignore: ['.*']
  114. }
  115. ])
  116. ]
  117. })
  118. if (config.build.productionGzip) {
  119. const CompressionWebpackPlugin = require('compression-webpack-plugin')
  120. webpackConfig.plugins.push(
  121. new CompressionWebpackPlugin({
  122. asset: '[path].gz[query]',
  123. algorithm: 'gzip',
  124. test: new RegExp(
  125. '\\.(' +
  126. config.build.productionGzipExtensions.join('|') +
  127. ')$'
  128. ),
  129. threshold: 10240,
  130. minRatio: 0.8
  131. })
  132. )
  133. }
  134. if (config.build.bundleAnalyzerReport) {
  135. const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
  136. webpackConfig.plugins.push(new BundleAnalyzerPlugin())
  137. }
  138. module.exports = webpackConfig