const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const {
    CleanWebpackPlugin
} = require('clean-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');

let entry = { index: './src/index.ts' },
    plugins = [
        new CleanWebpackPlugin(),
        new CopyWebpackPlugin([{
            from: path.join(__dirname, './src/assets'),
            to: path.join(__dirname, './dist/assets')
        }]),
        new MiniCssExtractPlugin({
            filename: './assets/styles/index.[hash:8].css'
        }),

        new HtmlWebpackPlugin({
            // favicon: './src/img/favicon.ico',
            title: '磁铁布局',
            template: './src/index.html',
            filename: 'index.html',
            minify: {
                // 压缩
                removeComments: true, // 移除HTML中的注释
                collapseWhitespace: true, // 删除空白符与换行符
                removeAttributeQuotes: true // 去除属性引用
            },
            chunks: ['index']
        })
    ];
if (process.env.NODE_ENV !== 'production') {
    entry.login = './src/login.ts';
    plugins.push(
        new HtmlWebpackPlugin({
            title: '登陆',
            template: './src/login.html',
            filename: 'login.html',
            minify: {
                removeComments: true,
                collapseWhitespace: true,
                removeAttributeQuotes: true
            },
            chunks: ['login']
        })
    );
}

module.exports = {
    mode: process.env.NODE_ENV,
    entry,
    devtool: process.env.NODE_ENV === 'production' ? 'cheap-module-source-map' : 'cheap-module-eval-source-map',
    output: {
        publicPath: '',
        path: path.resolve(__dirname, 'dist'),
        filename: './assets/js/[name].[hash:8].js'
    },
    resolve: {
        extensions: ['.js', '.ts', '.scss'],
        alias: {
            // css: path.resolve(__dirname, './src/styles'),
            imgs: path.resolve(__dirname, './src/assets/imgs')
        }
    },
    module: {
        rules: [{
            test: /\.ts$/,
            exclude: path.resolve(__dirname, 'node_modules'),
            include: path.resolve(__dirname, 'src'),
            loader: ['babel-loader', 'ts-loader']
        },
        {
            test: /\.scss$/,
            use: [
                // {loader: "style-loader"},
                {
                    loader: MiniCssExtractPlugin.loader
                },
                {
                    loader: 'css-loader',
                    options: {
                        url: false
                        //    importLoaders: 1
                    }
                },
                {
                    // 自动添加前缀
                    loader: 'postcss-loader',
                    options: {
                        plugins: [require('autoprefixer')]
                    }
                },
                {
                    loader: 'sass-loader'
                }
            ]
        },
        {
            test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
            loader: 'url-loader',
            options: {
                limit: 100,
                name: './imgs/[name].[hash:7].[ext]'
            }
        }
        ]
    },
    plugins,
    devServer: {
        host: '0.0.0.0',
        port: 8083,
        open: true,
        proxy: {
            '/api': {
                target: 'http://192.168.100.254:10000/',
                pathRewrite: {
                    '^/api': ''
                },
                changeOrigin: true
            }
        }
    }
};