diff --git a/package.json b/package.json
index 4b69a81..7e44ea3 100644
--- a/package.json
+++ b/package.json
@@ -67,6 +67,7 @@
     "semantic-release": "15.14.0",
     "servor": "3.0.5",
     "sort-package-json": "1.31.0",
-    "terser": "4.4.3"
+    "terser": "4.4.3",
+    "typescript": "3.7.4"
   }
 }
diff --git a/src/init.js b/src/init.js
index 123971c..77addf4 100644
--- a/src/init.js
+++ b/src/init.js
@@ -48,7 +48,11 @@ const writePackage = async (template, { user, email }) => {
   if (template !== 'js') {
     pkg = merge(pkg, { klap: { example: `public/index.${template}` } });
     if (template === 'ts' || template === 'tsx') {
-      pkg = merge(pkg, { types: 'dist/types' });
+      pkg = merge(pkg, {
+        types: 'dist/types',
+        scripts: { postbuild: 'tsc -p tsconfig.json' },
+        devDependencies: { typescript: cli.devDependencies['typescript'] },
+      });
     }
   }
   await write('./package.json', JSON.stringify(sort(pkg), null, '  '));
diff --git a/src/packages/terser.js b/src/packages/terser.js
index d255ec6..349947a 100644
--- a/src/packages/terser.js
+++ b/src/packages/terser.js
@@ -38,7 +38,7 @@ export const terser = (options = {}) => {
           sourceMap: options.sourcemap,
           warnings: options.warnings,
           toplevel: true,
-          mangle: { properties: { regex: '^_' } },
+          mangle: { properties: { regex: '^_|^\\$' } },
           compress: { passes: 10, pure_getters: true },
         });
       } catch (err) {
diff --git a/yarn.lock b/yarn.lock
index fe72670..5bdc54c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6534,6 +6534,11 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
+typescript@3.7.4:
+  version "3.7.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.4.tgz#1743a5ec5fef6a1fa9f3e4708e33c81c73876c19"
+  integrity sha512-A25xv5XCtarLwXpcDNZzCGvW2D1S3/bACratYBx2sax8PefsFhlYmkQicKHvpYflFS8if4zne5zT5kpJ7pzuvw==
+
 uglify-js@^3.1.4:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.1.tgz#35c7de17971a4aa7689cd2eae0a5b39bb838c0c5"