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 
    entry: './src/extension.ts', // the entry point of this extension
    output: { // the bundle is stored in the 'dist' folder (check package.json)
        path: path.resolve(__dirname, 'dist'),
        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
    },
    resolve: { // support reading TypeScript and JavaScript files
        extensions: ['.ts', '.js']
    },
    module: {
        rules: [{
            test: /\.ts$/,
            exclude: /node_modules/,
            use: [{
                loader: 'ts-loader',
                options: {
                    compilerOptions: {
                        "module": "es6" // override `tsconfig.json` so that TypeScript emits native JavaScript modules.
                    }
                }
            }]
        }]
    },
}

module.exports = config;