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webpack.prod.conf.js 5.0KB

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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. favicon: path.resolve('favicon.ico'),
  66. minify: {
  67. removeComments: true,
  68. collapseWhitespace: true,
  69. removeAttributeQuotes: true
  70. // more options:
  71. // https://github.com/kangax/html-minifier#options-quick-reference
  72. },
  73. // necessary to consistently work with multiple chunks via CommonsChunkPlugin
  74. chunksSortMode: 'dependency'
  75. }),
  76. // keep module.id stable when vendor modules does not change
  77. new webpack.HashedModuleIdsPlugin(),
  78. // enable scope hoisting
  79. new webpack.optimize.ModuleConcatenationPlugin(),
  80. // split vendor js into its own file
  81. new webpack.optimize.CommonsChunkPlugin({
  82. name: 'vendor',
  83. minChunks (module) {
  84. // any required modules inside node_modules are extracted to vendor
  85. return (
  86. module.resource &&
  87. /\.js$/.test(module.resource) &&
  88. module.resource.indexOf(
  89. path.join(__dirname, '../node_modules')
  90. ) === 0
  91. )
  92. }
  93. }),
  94. // extract webpack runtime and module manifest to its own file in order to
  95. // prevent vendor hash from being updated whenever app bundle is updated
  96. new webpack.optimize.CommonsChunkPlugin({
  97. name: 'manifest',
  98. minChunks: Infinity
  99. }),
  100. // This instance extracts shared chunks from code splitted chunks and bundles them
  101. // in a separate chunk, similar to the vendor chunk
  102. // see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
  103. new webpack.optimize.CommonsChunkPlugin({
  104. name: 'app',
  105. async: 'vendor-async',
  106. children: true,
  107. minChunks: 3
  108. }),
  109. // copy custom static assets
  110. new CopyWebpackPlugin([
  111. {
  112. from: path.resolve(__dirname, '../static'),
  113. to: config.build.assetsSubDirectory,
  114. ignore: ['.*']
  115. }
  116. ])
  117. ]
  118. })
  119. if (config.build.productionGzip) {
  120. const CompressionWebpackPlugin = require('compression-webpack-plugin')
  121. webpackConfig.plugins.push(
  122. new CompressionWebpackPlugin({
  123. asset: '[path].gz[query]',
  124. algorithm: 'gzip',
  125. test: new RegExp(
  126. '\\.(' +
  127. config.build.productionGzipExtensions.join('|') +
  128. ')$'
  129. ),
  130. threshold: 10240,
  131. minRatio: 0.8
  132. })
  133. )
  134. }
  135. if (config.build.bundleAnalyzerReport) {
  136. const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
  137. webpackConfig.plugins.push(new BundleAnalyzerPlugin())
  138. }
  139. module.exports = webpackConfig