webpack.js

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

const path = require('path');
const webpack = require('webpack');

module.exports = {
    entry: './index.js',
    output: {
        filename: "[name].bundle.js",
        path: path.resolve(__dirname, 'dist'),
    },
    resolve: {
        extensions: [".js", ".ts"]
    },
    module: {
        rules: [
            {
                test: /\.css$/,
                use:['style-loader','css-loader']
            }
        ]
    },
    plugins: [
        new webpack.HotModuleReplacementPlugin(),
        new HtmlWebpackPlugin({
            hash: true,
            template: './index.html',
            path: path.resolve(__dirname, 'dist'),
            // inject : 'head',
            filename: 'index.html' //relative to root of the application
        })
    ],
    mode: 'development',
    devtool: 'cheap-module-source-map',
    devServer: {
        contentBase: path.join(__dirname, "dist"),
        port: 8080,
        hot: true

    }
}