First statement: This article is excerpted from other people's documents, copied directly, so that you can view it yourself in the future, if there is any infringement, please understand
// The following is the path module that introduces nodejs
var path = require('path')
// The following is the utils tool configuration file, which is mainly used to process the loader of css class files
var utils = require('./utils')
// The following Introduce webpack to use the built-in webpack plugin
var webpack = require('webpack')
// The following is the index.js configuration file in the config directory, which is mainly used to define the relevant basic configuration of the production and development environment
var config = require(' ../config')
// The following is the merge plugin of webpack, which is mainly used to deal with the merging of configuration objects. You can split a large configuration object into several small ones, merge them, and the same items will override
var merge = require ('webpack-merge')
// Here is the webpack.base.conf.js config file, as explained in my other blog posts, loader for handling different types of files
var baseWebpackConfig = require('./webpack.base. conf')
// copy-webpack-plugin copies files or folders to the specified directory
var CopyWebpackPlugin = require('copy-webpack-plugin')
// html-webpack-plugin is to generate html files, and templates can be set
var HtmlWebpackPlugin = require('html-webpack-plugin')
// extract-text-webpack-plugin is used to separate the css and other files in the bundle to the specified .css file
var ExtractTextPlugin = require('extract-text- webpack-plugin')
// The function of the optimize-css-assets-webpack-plugin plugin is to compress the css code,
// it can also remove the duplicate code generated by the extract-text-webpack-plugin plugin to extract files,
//because the same A css may appear in multiple modules so it will lead to duplication of code, in other words, these two plugins are two brothers // For details, see (1)
var OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')
var ZipPlugin = require('zip-webpack-plugin')
//var env ={NODE_ENV: '"production"'}
var env = config.build.env
// merge current config object with base config object
var webpackConfig = merge(baseWebpackConfig, {
module: {
// The following is to take the configuration configured by utils to handle various css types
rules: utils.styleLoaders({
sourceMap: config.build.productionSourceMap,
extract: true
})
},
// devtool development tool, used to generate a sourcemap for debugging,,, did not look carefully
devtool: '#source-map',
output: {
// after packaging The file is placed in the dist directory
path: config.build.assetsRoot,
// The file name uses static/js/[name].[chunkhash].js, where name is the index, and chunkhash is the hash value of the module, which is used in the browser Cached
filename: utils.assetsPath('js/[name].[chunkhash].js'),
// chunkFilename is a non-entry module file, which means chunkFilename is referenced in the filename file
chunkFilename: utils.assetsPath('js/[ id].[chunkhash].js'),
//publicPath: "https://cdn.chinaclear.cn/siteResource/pop-online-fund-vote-web/"
},
plugins: [
// http://vuejs.github.io/vue-loader/en/workflow/production.html
// The following is to use the DefinePlugin plugin to define the process.env environment variable as env
new webpack.DefinePlugin({
'process.env' : env
}),
// UglifyJsPlugin plugin is a new webpack specially used to compress js
files.optimize.UglifyJsPlugin({
compress: {
//Do not output warnings when deleting useless code
warnings: false, // Disable warnings when compressing, Give the user a feeling that vue is tall and there is no mistake
//delete the console statement
drop_console: true
},
//delete the comments
comments: false,
mangle: false,
// compress and generate a map file
sourceMap: true
}),
// extract css into its own file
new ExtractTextPlugin({
// Generate an independent css file, the following is the name of the generated independent css file
filename: utils.assetsPath('css/[name].[contenthash].css'),
allChunks: true
}),
// Compress extracted CSS. We are using this plugin so that possible
// duplicated CSS from different components can be deduped.
new OptimizeCSSPlugin({
// compress css files
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
// Generate html page
new HtmlWebpackPlugin({
//Generate index.html
filename: config.build.index,
// It doesn't matter if the template is index.html plus or not
template: 'index.html',
favicon: './src/assets/images/favicon.ico',
excludeChunks: ['admin'] ,
chunks: ['manifest','vue','ele','vendor','index'],
// put the js file at the end of the body tag
inject: true,
minify: {
// compressed output html page
removeComments: false,
collapseWhitespace: true,
removeAttributeQuotes: true
// more options:
// https://github.com/kangax/html-minifier#options-quick-reference
},
// necessary to consistently work with multiple chunks via CommonsChunkPlugin
// Categorize modules to be inserted into html pages
chunksSortMode: 'manual'//'dependency'
}),
new HtmlWebpackPlugin({
filename: config.build.adminIndex,
template: 'admin.html',
favicon: './static/img/favicon.ico',//'./src/assets/images/favicon.ico',
excludeChunks: ['index'],
chunks: ['manifest','vue','ele','vendor','admin'],
inject: true,
minify: {
removeComments: false,
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: 'manual' //'dependency'
}),
new webpack.HashedModuleIdsPlugin(),
// split vendor js into its own file
// The following plugin extracts the third-party library files from the packaged file for convenience Browser cache to improve the running speed of the program
new webpack.optimize.CommonsChunkPlugin({
name: 'vendor',
chunks: ['index', 'admin'],
// Pack all the following files that depend on node_modules into vendor
minChunks: function (module, count) {
return (
module.resource &&
/\.js$/.test(module.resource) &&
module.resource.indexOf(
path.join(__dirname, '../node_modules')
) === 0 &&
module.resource.indexOf(
path.join(__dirname, '../node_modules/element-ui')
) !== 0 &&
module.resource.indexOf(
path.join(__dirname, '../node_modules/vue')
) !== 0
)
}
}),
//分离element-ui
new webpack.optimize.CommonsChunkPlugin({
name: 'ele',
filename: 'static/js/[name].[chunkhash].js',
chunks: ['admin','index'] ,
minChunks: function (module, count) {
return (
module.resource &&
/\.js$/.test(module.resource) &&
module.resource.indexOf(
path.join(__dirname, '../node_modules/element-ui')
) === 0
)
}
}),
//分离vue组件
new webpack.optimize.CommonsChunkPlugin({
name: 'vue',
filename: 'static/js/[name].[chunkhash].js',
chunks: ['index','admin'],
minChunks: function (module, count) {
return (
module.resource &&
/\.js$/.test(module.resource) &&
module.resource.indexOf(
path.join(__dirname, '../node_modules/vue')
) === 0
)}
}),
// extract webpack runtime and module manifest to its own file in order to
// prevent vendor hash from being updated whenever app bundle is updated
// Extract the runtime code and module manifest code of webpack into the manifest file to prevent the problem of modifying the code but not modifying the third-party library files, causing the third-party library files to also be packaged
new webpack.optimize.CommonsChunkPlugin({
name: 'manifest',
chunks: ['vendor']
}),
// copy custom static assets
// The following is a plugin for copying files, I don't think it is here to copy files Instead, it filters out the files starting with . generated during the packaging process
new CopyWebpackPlugin([
{
from: path.resolve(__dirname, '../static'),
to: config.build.assetsSubDirectory,
ignore: ['. *']
}
]),
new ZipPlugin({
path: path.join(__dirname,'../dist'),
filename: 'dist.zip'
})
]
})
if (config.build.productionGzip) {
// Turn on Gzi compressed and packaged files, do you know why this can still be compressed? ? , just like you packaged the compressed package, give this compressed package to the browser, and the browser will automatically decompress it
// You must know that vue-cli disables this magical function by default, because Surge and Netlify static hosts help by default. You gzip the uploaded file
var CompressionWebpackPlugin = require('compression-webpack-plugin')
webpackConfig.plugins.push(
new CompressionWebpackPlugin({
asset: '[path].gz[query]',
algorithm: 'gzip',
test : new RegExp(
'\\.(' +
config.build.productionGzipExtensions.join('|') +
')$'
),
threshold: 10240,
minRatio: 0.8
})
)
}
if (config.build.
// The packaged and compiled files print out detailed file information. vue-cli disables this by default. I think it is still useful. You can configure
var BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
webpackConfig. plugins.push(new BundleAnalyzerPlugin())
}
module.exports = webpackConfig
Advertise: Taobao Tmall internal discount group, add me to WeChat to pull you into the group 18801014156