const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const webpack = require('webpack');
module.exports = {
    entry: './src/index.js',
    output: {
        path: path.resolve(__dirname, './dist'),
        // Content-hashed filename: index.html (injected by HtmlWebpackPlugin,
        // and not edge-cached) points at a unique URL each build, so a new
        // deploy is picked up immediately — no stale CDN/browser bundle.
        filename: '[name].[contenthash].js',
        chunkFilename: '[name].[contenthash].js',
        publicPath: '/',
        clean: true,
    },
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader',
                }
            },
            {
                test: /\.css$/,
                use: ['style-loader', 'css-loader', 'postcss-loader'],
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: "./public/index.html",
            inject: true
        }),
        new webpack.ProvidePlugin({
            process: 'process/browser.js'
        })

    ],
    devServer: {
        static: path.join(__dirname, 'public'),
        port: 3000,
        open: true,
        hot: true,
        historyApiFallback: true,
    },
    resolve: {
        alias: {
            'process/browser': require.resolve('process/browser.js')
        },
        fallback: {
            path: require.resolve('path-browserify'),
            fs: false,
            assert: require.resolve("assert/"),
            process: require.resolve("process/browser.js"),
        }
    },
    devtool: 'source-map',
};