Initial config with a few files that build on client and server side.

buildtools/tsconfig-base.json

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+{
+  "compilerOptions": {
+    "target": "es2016",
+    "module": "commonjs",
+    "strict": true,
+    "strictPropertyInitialization": false,
+    "sourceMap": true,
+    "noImplicitAny": true,
+    "noUnusedLocals": true,
+    "moduleResolution": "node",
+    "baseUrl": "..",
+    "composite": true,
+    "plugins": [{
+      "name": "typescript-tslint-plugin"
+    }],
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "jsx": "react"
+  }
+}

buildtools/webpack.config.js

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+'use strict';
+
+const StatsPlugin = require('stats-webpack-plugin');
+const MomentLocalesPlugin = require('moment-locales-webpack-plugin');
+const path = require('path');
+
+module.exports = {
+  target: 'web',
+  entry: {
+    main: "./build/app/client/ui/PagePanels.js",
+  },
+  output: {
+    filename: "[name].bundle.js",
+    sourceMapFilename: "[file].map",
+    path: path.resolve("./static"),
+    // Workaround for a known issue with webpack + onerror under chrome, see:
+    //   https://github.com/webpack/webpack/issues/5681
+    // "We use a source map plugin here with this special configuration
+    // because if we do not - the window.onerror function does not work properly in chrome
+    // and it swallows the errors because normally source maps have begin with webpack:///
+    // here we are changing how the module file names are created
+    // See this bug
+    // https://bugs.chromium.org/p/chromium/issues/detail?id=765909
+    //  See this for syntax
+    // https://webpack.js.org/configuration/output/#output-devtoolmodulefilenametemplate
+    // "
+    devtoolModuleFilenameTemplate: "[resourcePath]?[loaders]",
+    crossOriginLoading: "anonymous",
+  },
+  // This creates .map files, and takes webpack a couple of seconds to rebuild while developing,
+  // but provides correct mapping back to typescript, and allows breakpoints to be set in
+  // typescript ("cheap-module-eval-source-map" is faster, but breakpoints are largely broken).
+  devtool: "source-map",
+  resolve: {
+    modules: [
+      path.resolve('./build'),
+      path.resolve('./node_modules')
+    ],
+  },
+  module: {
+    rules: [
+      { test: /\.js$/,
+        use: ["source-map-loader"],
+        enforce: "pre"
+      }
+    ]
+  },
+  plugins: [
+    new StatsPlugin(
+      '../.build_stats_js_bundle',  // relative to output folder
+      {source: false},              // Omit sources, which unnecessarily make the stats file huge.
+    ),
+    // To strip all locales except “en”
+    new MomentLocalesPlugin()
+  ],
+};