[oden] OK now everything is TS and it type-checks

src/main.ts

@@ -0,0 +1,12 @@
+import { cls, print, spr } from "./graphics.ts";
+
+export function init() {
+  print("Hello world!");
+}
+
+export function update() {}
+
+export function draw() {
+  cls(0.1, 0.2, 0.3);
+  spr(0, 0, 0.5, 0.5, 0, 0);
+}