webpack.config.js

//@ts-check
'use strict';
const path = require('path');

/**@type {import('webpack').Configuration}*/
const config = {
    target: 'node',
    entry: {
        extension: './src/extension.ts',
        server: './src/server/server.ts',
    },
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: '[name].js',
        libraryTarget: 'commonjs2',
        devtoolModuleFilenameTemplate: '../[resource-path]',
    },
    devtool: 'source-map',
    externals: {
        vscode: 'commonjs vscode',
    },
    resolve: {
        extensions: ['.ts', '.js'],
        alias: {
            deepmerge$: path.resolve(__dirname, 'node_modules/deepmerge/dist/umd.js'),
        },
    },
    module: {
        rules: [
            {
                test: /\.ts$/,
                exclude: /node_modules/,
                use: [
                    {
                        loader: 'ts-loader',
                        options: {
                            compilerOptions: {
                                sourceMap: true,
                            },
                        },
                    },
                ],
            },
        ],
    },
};

module.exports = config;