feur

lib/utils.ts

@@ -3,3 +3,7 @@ import { CSSProperties } from "https://deno.land/std@0.40.0/types/react.d.ts";
 export function _css(prop: CSSProperties) {
 	return prop;
 }
+
+// type wizardry
+
+export type KeysOfType<T, V> = keyof { [P in keyof T as T[P] extends V ? P : never]: P };