webpack.config.js

// @ts-check

'use strict';

const path = require('path');

/**@type {import('webpack').Configuration}*/
const config = {
    target: 'node', // vscode extensions run in a Node.js-context 📖 -> https://webpack.js.org/configuration/node/

    entry: './src/extension.ts', // the entry point of this extension, 📖 -> https://webpack.js.org/configuration/entry-context/
    output: {
        // the bundle is stored in the 'dist' folder (check package.json), 📖 -> https://webpack.js.org/configuration/output/
        path: path.resolve(__dirname, 'out'),
        filename: 'extension.js',
        libraryTarget: 'commonjs2',
        devtoolModuleFilenameTemplate: '../[resource-path]'
    },
    devtool: 'source-map',
    externals: {
        vscode: 'commonjs vscode' // the vscode-module is created on-the-fly and must be excluded. Add other modules that cannot be webpack'ed, 📖 -> https://webpack.js.org/configuration/externals/
    },
    resolve: {
        // support reading TypeScript and JavaScript files, 📖 -> https://github.com/TypeStrong/ts-loader
        extensions: ['.ts', '.js']
    },
    module: {
        rules: [
            {
                test: /\.ts$/,
                exclude: /node_modules/,
                use: [
                    {
                        loader: 'ts-loader'
                    }
                ]
            }
        ]
    }
};

module.exports = config;