const path = require('path');
const CopyPlugin = require('copy-webpack-plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const TerserPlugin = require("terser-webpack-plugin");
const {WebpackManifestPlugin} = require("webpack-manifest-plugin");
const {CleanWebpackPlugin} = require("clean-webpack-plugin");

module.exports = {
    mode: process.env.NODE_ENV === 'production' ? 'production' : 'development',
    entry: {
        cacert: [
            path.resolve(__dirname, 'frontend_src/index.js'),
            path.resolve(__dirname, 'frontend_src/_custom.scss'),
        ]
    },
    plugins: [
        new CleanWebpackPlugin({cleanStaleWebpackAssets: false}),
        new WebpackManifestPlugin(),
        new MiniCssExtractPlugin({
            filename: "css/[name].bundle.css",
        }),
        new CopyPlugin({
            patterns: [
                {
                    from: "images/**",
                    context: path.resolve(__dirname, "frontend_src"),
                }
            ],
        }),
    ],
    output: {
        path: path.resolve(__dirname, 'static'),
        filename: 'js/[name].bundle.js',
    },
    devtool: 'source-map',
    optimization: {
        minimize: true,
        minimizer: [new TerserPlugin()],
    },
    module: {
        rules: [
            {
                test: /\.(svg|png|jpg|jpeg|gif)$/,
                type: "asset/resource",
            },
            {
                test: /\.scss$/,
                use: [{
                    loader: MiniCssExtractPlugin.loader,
                    options: {
                        publicPath: "/static/",
                    }
                }, {
                    loader: 'css-loader',
                    options: {
                        importLoaders: 1,
                        modules: {auto: true},
                    }
                }, {
                    loader: 'postcss-loader',
                    options: {
                        postcssOptions: {
                            plugins: [
                                [
                                    'precss',
                                    'autoprefixer',
                                ],
			    ],
                        },
                    },
                }, {
                    loader: 'sass-loader',
                }]
            }
        ],
    },
}