webpack.prod.conf.js 5.3 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. : require('../config/prod.env')
  16. const webpackConfig = merge(baseWebpackConfig, {
  17. module: {
  18. rules: utils.styleLoaders({
  19. sourceMap: config.build.productionSourceMap,
  20. extract: true,
  21. usePostCSS: true
  22. })
  23. },
  24. devtool: config.build.productionSourceMap ? config.build.devtool : false,
  25. output: {
  26. path: config.build.assetsRoot,
  27. filename: utils.assetsPath('js/[name].[chunkhash].js'),
  28. chunkFilename: utils.assetsPath('js/[id].[chunkhash].js')
  29. },
  30. plugins: [
  31. // http://vuejs.github.io/vue-loader/en/workflow/production.html
  32. new webpack.DefinePlugin({
  33. 'process.env': env
  34. }),
  35. new UglifyJsPlugin({
  36. uglifyOptions: {
  37. compress: {
  38. warnings: false
  39. }
  40. },
  41. sourceMap: config.build.productionSourceMap,
  42. parallel: true
  43. }),
  44. // 生产环境中清除console.log
  45. /*
  46. uglifyOptions: {
  47. compress: {
  48. warnings: false,
  49. drop_debugger: true,
  50. drop_console: true
  51. }
  52. },
  53. */
  54. // extract css into its own file
  55. new ExtractTextPlugin({
  56. filename: utils.assetsPath('css/[name].[contenthash].css'),
  57. // Setting the following option to `false` will not extract CSS from codesplit chunks.
  58. // Their CSS will instead be inserted dynamically with style-loader when the codesplit chunk has been loaded by webpack.
  59. // It's currently set to `true` because we are seeing that sourcemaps are included in the codesplit bundle as well when it's `false`,
  60. // increasing file size: https://github.com/vuejs-templates/webpack/issues/1110
  61. allChunks: true,
  62. }),
  63. // Compress extracted CSS. We are using this plugin so that possible
  64. // duplicated CSS from different components can be deduped.
  65. new OptimizeCSSPlugin({
  66. cssProcessorOptions: config.build.productionSourceMap
  67. ? { safe: true, map: { inline: false } }
  68. : { safe: true }
  69. }),
  70. // generate dist index.html with correct asset hash for caching.
  71. // you can customize output by editing /index.html
  72. // see https://github.com/ampedandwired/html-webpack-plugin
  73. new HtmlWebpackPlugin({
  74. filename: process.env.NODE_ENV === 'testing'
  75. ? 'index.html'
  76. : config.build.index,
  77. template: 'index.html',
  78. inject: true,
  79. minify: {
  80. removeComments: true,
  81. collapseWhitespace: true,
  82. removeAttributeQuotes: true
  83. // more options:
  84. // https://github.com/kangax/html-minifier#options-quick-reference
  85. },
  86. // necessary to consistently work with multiple chunks via CommonsChunkPlugin
  87. chunksSortMode: 'dependency'
  88. }),
  89. // keep module.id stable when vendor modules does not change
  90. new webpack.HashedModuleIdsPlugin(),
  91. // enable scope hoisting
  92. new webpack.optimize.ModuleConcatenationPlugin(),
  93. // split vendor js into its own file
  94. new webpack.optimize.CommonsChunkPlugin({
  95. name: 'vendor',
  96. minChunks (module) {
  97. // any required modules inside node_modules are extracted to vendor
  98. return (
  99. module.resource &&
  100. /\.js$/.test(module.resource) &&
  101. module.resource.indexOf(
  102. path.join(__dirname, '../node_modules')
  103. ) === 0
  104. )
  105. }
  106. }),
  107. // extract webpack runtime and module manifest to its own file in order to
  108. // prevent vendor hash from being updated whenever app bundle is updated
  109. new webpack.optimize.CommonsChunkPlugin({
  110. name: 'manifest',
  111. minChunks: Infinity
  112. }),
  113. // This instance extracts shared chunks from code splitted chunks and bundles them
  114. // in a separate chunk, similar to the vendor chunk
  115. // see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
  116. new webpack.optimize.CommonsChunkPlugin({
  117. name: 'app',
  118. async: 'vendor-async',
  119. children: true,
  120. minChunks: 3
  121. }),
  122. // copy custom static assets
  123. new CopyWebpackPlugin([
  124. {
  125. from: path.resolve(__dirname, '../static'),
  126. to: config.build.assetsSubDirectory,
  127. ignore: ['.*']
  128. }
  129. ])
  130. ]
  131. })
  132. if (config.build.productionGzip) {
  133. const CompressionWebpackPlugin = require('compression-webpack-plugin')
  134. webpackConfig.plugins.push(
  135. new CompressionWebpackPlugin({
  136. asset: '[path].gz[query]',
  137. algorithm: 'gzip',
  138. test: new RegExp(
  139. '\\.(' +
  140. config.build.productionGzipExtensions.join('|') +
  141. ')$'
  142. ),
  143. threshold: 10240,
  144. minRatio: 0.8
  145. })
  146. )
  147. }
  148. if (config.build.bundleAnalyzerReport) {
  149. const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
  150. webpackConfig.plugins.push(new BundleAnalyzerPlugin())
  151. }
  152. module.exports = webpackConfig