webpack.config.js

const path = require('path');

const ErrorOverlayPlugin = require('error-overlay-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');

const isDevelopment = process.env.NODE_ENV !== 'production';


const src = path.resolve(__dirname, "src")
const dist = path.resolve(__dirname, "build")

module.exports = {
    devtool: isDevelopment && "cheap-module-source-map",
    entry: ['react-hot-loader/patch', path.resolve(src, 'index.tsx')],
    mode: isDevelopment ? 'development' : 'production',
    output: {
        library: 'dashall',
        filename: "bundle.js",
        path: dist 
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: path.resolve(src, 'index.html')
        }),
        isDevelopment && new ErrorOverlayPlugin(),
    ].filter(Boolean),
    resolve: {
        extensions: ['.js', '.jsx', '.ts', '.tsx'],
    },
    devServer: {
        contentBase: dist,
        compress: true,
        port: 9000,
        hot: true,
    },
    module: {
        rules: [
            {
                test: /\.[jt]sx?/,
                exclude: /node_modules/,
                include: src,
                loader: require.resolve("babel-loader"),
            },
            {
                test: /\.(jpe?g|png|gif|svg)$/i,
                loader: "file-loader",
                options: {
                    name: "[name].[ext]",
                    outputPath: "./img/",
                    publicPath: "/static/img/"
                }
            },
            {
                test: /\.(ttf)$/i,
                loader: "file-loader",
                options: {
                    name: "[name].[ext]",
                    outputPath: "./font/",
                    publicPath: "/static/font/"
                }
            },
            {
                test: /\.(scss|sass)$/,
                use: ["style-loader", "sass-loader"]
            },
            {
                test: /\.css$/,
                use: ["style-loader", "css-loader"]
            }
        ]
    }
}