webpack.prod.conf.js 5.4 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 = process.env.NODE_ENV === 'testing'
  14. ? require('../config/test.env')
  15. : (process.env.NODE_ENV === 'development'
  16. ? require('../config/dev.env')
  17. : require('../config/prod.env'))
  18. const webpackConfig = merge(baseWebpackConfig, {
  19. module: {
  20. rules: utils.styleLoaders({
  21. sourceMap: config.build.productionSourceMap,
  22. extract: true,
  23. usePostCSS: true
  24. })
  25. },
  26. devtool: config.build.productionSourceMap ? config.build.devtool : false,
  27. output: {
  28. path: config.build.assetsRoot,
  29. filename: utils.assetsPath('js/[name].[chunkhash].js'),
  30. chunkFilename: utils.assetsPath('js/[id].[chunkhash].js')
  31. },
  32. plugins: [
  33. // http://vuejs.github.io/vue-loader/en/workflow/production.html
  34. new webpack.DefinePlugin({
  35. 'process.env': env
  36. }),
  37. new UglifyJsPlugin({
  38. uglifyOptions: {
  39. compress: {
  40. warnings: false
  41. }
  42. },
  43. sourceMap: config.build.productionSourceMap,
  44. parallel: true
  45. }),
  46. // extract css into its own file
  47. new ExtractTextPlugin({
  48. filename: utils.assetsPath('css/[name].[contenthash].css'),
  49. // Setting the following option to `false` will not extract CSS from codesplit chunks.
  50. // Their CSS will instead be inserted dynamically with style-loader when the codesplit chunk has been loaded by webpack.
  51. // It's currently set to `true` because we are seeing that sourcemaps are included in the codesplit bundle as well when it's `false`,
  52. // increasing file size: https://github.com/vuejs-templates/webpack/issues/1110
  53. allChunks: true,
  54. }),
  55. // Compress extracted CSS. We are using this plugin so that possible
  56. // duplicated CSS from different components can be deduped.
  57. new OptimizeCSSPlugin({
  58. cssProcessorOptions: config.build.productionSourceMap
  59. ? { safe: true, map: { inline: false } }
  60. : { safe: true }
  61. }),
  62. // generate dist index.html with correct asset hash for caching.
  63. // you can customize output by editing /index.html
  64. // see https://github.com/ampedandwired/html-webpack-plugin
  65. /* 注释这个区域的内容 ---------------------- 开始 */
  66. // new HtmlWebpackPlugin({
  67. // filename: process.env.NODE_ENV === 'testing'
  68. // ? 'index.html'
  69. // : config.build.index,
  70. // template: 'index.html',
  71. // inject: true,
  72. // minify: {
  73. // removeComments: true,
  74. // collapseWhitespace: true,
  75. // removeAttributeQuotes: true
  76. // // more options:
  77. // // https://github.com/kangax/html-minifier#options-quick-reference
  78. // },
  79. // // necessary to consistently work with multiple chunks via CommonsChunkPlugin
  80. // chunksSortMode: 'dependency'
  81. // }),
  82. /* 注释这个区域的内容 ---------------------- 结束 */
  83. // keep module.id stable when vendor modules does not change
  84. new webpack.HashedModuleIdsPlugin(),
  85. // enable scope hoisting
  86. new webpack.optimize.ModuleConcatenationPlugin(),
  87. // split vendor js into its own file
  88. new webpack.optimize.CommonsChunkPlugin({
  89. name: 'vendor',
  90. minChunks (module) {
  91. // any required modules inside node_modules are extracted to vendor
  92. return (
  93. module.resource &&
  94. /\.js$/.test(module.resource) &&
  95. module.resource.indexOf(
  96. path.join(__dirname, '../node_modules')
  97. ) === 0
  98. )
  99. }
  100. }),
  101. // extract webpack runtime and module manifest to its own file in order to
  102. // prevent vendor hash from being updated whenever app bundle is updated
  103. new webpack.optimize.CommonsChunkPlugin({
  104. name: 'manifest',
  105. minChunks: Infinity
  106. }),
  107. // This instance extracts shared chunks from code splitted chunks and bundles them
  108. // in a separate chunk, similar to the vendor chunk
  109. // see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
  110. new webpack.optimize.CommonsChunkPlugin({
  111. name: 'app',
  112. async: 'vendor-async',
  113. children: true,
  114. minChunks: 3
  115. }),
  116. // copy custom static assets
  117. new CopyWebpackPlugin([
  118. {
  119. from: path.resolve(__dirname, '../static'),
  120. to: config.build.assetsSubDirectory,
  121. ignore: ['.*']
  122. }
  123. ])
  124. /* 该位置添加 .concat(utils.htmlPlugin()) ------------------- */
  125. ].concat(utils.htmlPlugin())
  126. })
  127. if (config.build.productionGzip) {
  128. const CompressionWebpackPlugin = require('compression-webpack-plugin')
  129. webpackConfig.plugins.push(
  130. new CompressionWebpackPlugin({
  131. asset: '[path].gz[query]',
  132. algorithm: 'gzip',
  133. test: new RegExp(
  134. '\\.(' +
  135. config.build.productionGzipExtensions.join('|') +
  136. ')$'
  137. ),
  138. threshold: 10240,
  139. minRatio: 0.8
  140. })
  141. )
  142. }
  143. if (config.build.bundleAnalyzerReport) {
  144. const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
  145. webpackConfig.plugins.push(new BundleAnalyzerPlugin())
  146. }
  147. module.exports = webpackConfig