Least aggressive glint hack

Author: NullVoxPopuli

test-app/app/helpers/clock.ts

@@ -12,9 +12,9 @@ export function Clock() {
     // return time;
 
     // The above is a shorthand for this
-    // (but with a cast to string to appease Glint's restrictive ContentValue type)
-    // (Date is a renderable value, but Glint doesn't think so)
-    return () => time.current.toString();
+    return () => time.current as Date & { toHTML(): string };
+    // this cast is a Glint Hack
+    // because Glint things Date can't be rendered...
   });
 }
 

test-app/types/glint-registry.d.ts

@@ -7,7 +7,7 @@ import type TimeFormat from 'test-app/helpers/time-format';
 
 declare module '@glint/environment-ember-loose/registry' {
   export default interface Registry {
-    'clock': typeof Clock & { (): typeof Clock };
+    'clock': typeof Clock;
     'time-format': typeof TimeFormat;
     // Examples
     // state: HelperLike<{ Args: {}, Return: State }>;