webpack.dev.js

const path = require("path");
const common = require("./webpack.common");
const { merge } = require('webpack-merge');
const HtmlWebpackPlugin = require('html-webpack-plugin');


module.exports = merge(common, {
    mode: "development",
    output: {
        filename: "bundle.js",
        path: path.resolve(__dirname, "dist"),
    },
    plugins: [new HtmlWebpackPlugin({
        template: "./src/template.html"
    })],
    module: {
        rules: [
            {
                test: /\.css$/,
                use: [
                    "style-loader", //2. Inject styles into DOM
                    "css-loader" //1. Turns css into commonjs
                ]
            },
        ]
    },
    devServer: {
        contentBase: './dist',
        open: true
    }
});