✨ Feat: Implement support for multiple CCNs

utils/option.ts

@@ -0,0 +1,40 @@
+export type Option<T> =
+  | {
+      value: T;
+      isSome: true;
+    }
+  | {
+      value: undefined;
+      isSome: false;
+    };
+
+export function Some<T>(value: T): Option<T> {
+  return { value, isSome: true };
+}
+
+export function None<T>(): Option<T> {
+  return { value: undefined, isSome: false };
+}
+
+export function map<T, U>(option: Option<T>, fn: (value: T) => U): Option<U> {
+  return option.isSome ? Some(fn(option.value)) : None();
+}
+
+export function flatMap<T, U>(
+  option: Option<T>,
+  fn: (value: T) => Option<U>,
+): Option<U> {
+  return option.isSome ? fn(option.value) : None();
+}
+
+export function getOrElse<T>(option: Option<T>, defaultValue: T): T {
+  return option.isSome ? option.value : defaultValue;
+}
+
+export function fold<T, U>(
+  option: Option<T>,
+  onNone: () => U,
+  onSome: (value: T) => U,
+): U {
+  return option.isSome ? onSome(option.value) : onNone();
+}