const path = require('path');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const DllPlugin = require('webpack/lib/DllPlugin');

const appDll = path.resolve(__dirname, './public/dll');

module.exports = {
    mode: 'production',
    entry: {
        react: ['react', 'react-dom', 'prop-types'],
    },
    output: {
        filename: '[name].dll.js',
        path: appDll,
        library: '_dll_[name]', // dll的全局变量名
    },
    plugins: [
        new CleanWebpackPlugin(['./public/dll']),
        new DllPlugin({
            context: __dirname,
            name: '_dll_[name]', // dll的全局变量名
            path: path.resolve(appDll, '[name].manifest.json'),// 描述生成的manifest文件
        })
    ]
}