webpack loader 模拟

webpack.config.js

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

module.exports = {
    mode: 'development',
    entry: './src/index.js',
    output: {
        filename: 'bundle.js',
        path: path.resolve(__dirname, 'dist')
    },
    resolveLoader: {
        modules: [path.resolve('./loaders'), 'node_modules']
    },
    devtool: 'source-map',
    module: {
        rules: [{
            test: /\.js$/,
            use: {
                loader: 'babel-loader'
            },
            include: path.resolve(__dirname, './src'),
            exclude: /node_modules/
        }]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: './public/index.html'
        })
    ]
}