import HtmlWebpackPlugin from 'html-webpack-plugin';
import path from 'path';
import type { Configuration } from 'webpack';
import type { CallableWebpackConfiguration } from 'webpack-cli';

// webpack ts 配置: https://www.webpackjs.com/configuration/configuration-languages/#typescript
const config: CallableWebpackConfiguration = (env): Configuration => {
    return {
        mode: 'development',
        entry: './src/main.tsx',
        output: {
            filename: '[name]-[chunkhash].js',
            path: path.resolve(__dirname, 'dist'),
            hashDigestLength: 5,
            clean: true,
            libraryTarget: 'umd',
        },
        module: {
            rules: [
                {
                    test: /\.tsx?$/,
                    use: ['babel-loader', 'ts-loader'], // babel-loader 为了兼容babel配置，ts-loader 为了兼容ts配置
                    exclude: /node_modules/,
                },
                {
                    test: /\.less$/,
                    use: ['style-loader', 'css-loader', 'less-loader'],
                },
            ],
        },
        plugins: [
            new HtmlWebpackPlugin({
                template: env?.WEBPACK_BUILD
                    ? './index.html'
                    : 'index.dev.html',
                filename: 'index.html',
            }),
        ],
        resolve: {
            extensions: ['.tsx', '.ts', '.js'],
        },
    };
};

export default config;