diff --git a/ts/util.ts b/ts/util.ts
new file mode 100644
index 00000000..99a04ab5
--- /dev/null
+++ b/ts/util.ts
@@ -0,0 +1,35 @@
+type ErrType<T> = { new(msg?: string): T }
+type Nullable<T> = T | null | undefined
+
+export class RuntimeError extends Error {
+    public name = 'RuntimeError';
+    constructor(public message: string = '') {
+        super(message);
+    }
+    toString(): string {
+        if (this.message) {
+            return this.name + ': ' + this.message;
+        }
+        else {
+            return this.name;
+        }
+    }
+}
+
+export class NotNullExpected extends RuntimeError {
+    public name = 'NotNullExpected';
+}
+
+export function unwrap<T>(result: Nullable<T>): T {
+    if (result === null || result === undefined) {
+        throw new NotNullExpected();
+    }
+    return result;
+}
+
+export function unwrap_err<T, ErrT extends Error>(result: Nullable<T>, errType: ErrType<ErrT>, errMsg?: string): T {
+    if (result === null || result === undefined) {
+        throw new errType(errMsg);
+    }
+    return result;
+}
\ No newline at end of file
diff --git a/webpack.config.js b/webpack.config.js
index 6970ba53..8528c54d 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,31 +1,64 @@
 const path = require('path');
 
-module.exports = {
-    resolve: {
-        extensions: [".ts", ".tsx"]
-    },
-    entry: {
-        inheritPoint: './hwe/ts/inheritPoint.ts',
-    },
-    output: {
-        filename: '[name].js',
-        path: path.resolve(__dirname, 'hwe/js'),
-    },
-    mode: 'production',
-    devtool: 'source-map',
-    module: {
-        rules: [{
-            test: /\.(ts|tsx)$/,
-            exclude: /(node_modules)/,
-            use: {
-                loader: 'babel-loader',
-                options: {
-                    presets: [
-                        '@babel/preset-env',
-                        '@babel/preset-typescript'
-                    ]
+module.exports = [
+    {
+        name: 'ingame',
+        resolve: {
+            extensions: [".ts", ".tsx"]
+        },
+        entry: {
+            inheritPoint: './hwe/ts/inheritPoint.ts',
+        },
+        output: {
+            filename: '[name].js',
+            path: path.resolve(__dirname, 'hwe/js'),
+        },
+        mode: 'production',
+        devtool: 'source-map',
+        module: {
+            rules: [{
+                test: /\.(ts|tsx)$/,
+                exclude: /(node_modules)/,
+                use: {
+                    loader: 'babel-loader',
+                    options: {
+                        presets: [
+                            '@babel/preset-env',
+                            '@babel/preset-typescript'
+                        ]
+                    }
                 }
-            }
-        }]
+            }]
+        },
     },
-}
\ No newline at end of file
+    {
+        name: 'gateway',
+        resolve: {
+            extensions: [".ts", ".tsx"]
+        },
+        entry: {
+            //test: './ts/test.ts',
+        },
+        output: {
+            filename: '[name].js',
+            path: path.resolve(__dirname, 'js'),
+        },
+        mode: 'none',
+        devtool: 'source-map',
+        module: {
+            rules: [{
+                test: /\.(ts|tsx)$/,
+                exclude: /(node_modules)/,
+                use: {
+                    loader: 'babel-loader',
+                    options: {
+                        presets: [
+                            '@babel/preset-env',
+                            '@babel/preset-typescript'
+                        ]
+                    }
+                }
+            }]
+        },
+    },
+]