webpack配置-3--webpack.pro.js

目录结构:

代码目录:
const path = require('path');
const webpack = require("webpack");
const CleanPlugin = require("clean-webpack-plugin");
const CopyWebpackPlugin = require("copy-webpack-plugin");
let config = require('./webpack.common.js')

const ROOT_PATH = path.resolve(__dirname);
const BUILD_PATH = path.resolve(ROOT_PATH, 'dist');

config.plugins = [
...config.plugins,
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: '"production"'
}
}),
//每次运行webpack清理上一次的文件夹
new CleanPlugin([BUILD_PATH]),
//压缩混淆JS插件,UglifyJsPlugin 将不再支持让 Loaders 最小化文件的模式。debug 选项已经被移除。Loaders 不能从 webpack 的配置中读取到他们的配置项。
new webpack.optimize.UglifyJsPlugin({
compress: {
warnings: false,
drop_console: false
},
comments: false,
beautify: false
})
]

module.exports = config