diff --git a/build.php b/build.php
index a6ef22a1..a37fd0cf 100644
--- a/build.php
+++ b/build.php
@@ -120,6 +120,9 @@ function recursiveCopy(string $source, string $dest): bool
     return true;
 }
 
+// Make sure we're running from the misuzu root directory.
+chdir(__DIR__);
+
 misuzu_log('Cleanup');
 createDirIfNotExist(CSS_DIR);
 createDirIfNotExist(JS_DIR);
@@ -137,8 +140,9 @@ if (!is_file(LESS_DIR . LESS_ENTRY_POINT)) {
 }
 
 // figure this out
-//misuzu_log();
-//misuzu_log('Compiling TypeScript');
+misuzu_log();
+misuzu_log('Compiling TypeScript');
+misuzu_log(shell_exec('tsc --extendedDiagnostics -p tsconfig.json'));
 
 misuzu_log();
 misuzu_log('Importing libraries');
diff --git a/templates/master.twig b/templates/master.twig
index 0f4fb276..c707cdf7 100644
--- a/templates/master.twig
+++ b/templates/master.twig
@@ -79,5 +79,6 @@
                 elem.classList.add(containerHiddenClass);
             }
         </script>
+        <script src="/js/misuzu.js"></script>
     </body>
 </html>
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 00000000..eaba29fc
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,11 @@
+{
+    "compilerOptions": {
+        "target": "ES5",
+        "removeComments": true,
+        "preserveConstEnums": true,
+        "outFile": "./public/js/misuzu.js",
+        "sourceRoot": "./assets/typescript/",
+        "rootDir": "./assets/typescript/",
+        "sourceMap": true,
+    }
+}