add navigation manager to streamline titles and breadcrumbs

src/lib/util.ts

@@ -24,6 +24,17 @@ export const defaultIconProps: IconComponentProps = {
  */
 export type MaybeGetter<T> = T | (() => T);
 
+/**
+ * ResolveGetter returns the underlying value stored by a MaybeGetter type.
+ * @returns Raw value T or function return T.
+ */
+export const resolveGetter = <T>(getter: MaybeGetter<T>): T => {
+	if (typeof getter === 'function') {
+		return (getter as () => T)();
+	}
+	return getter;
+};
+
 /**
  * Generates a unique identifier string unless an identifier is provided.
  * If a prefix is provided, it will be prepended to the identifier.