Resolve "WalletHD Genesis: Refactor to use Mnemonic Primitive"

packages/stack/src/utils/index.ts

@@ -6,4 +6,5 @@ export * from './memoizer.js';
 export * from './misc.js';
 export * from './sse-session.js';
 export * from './sse-session-msgpackr.js';
+export * from './type-utils.js';
 export * from './uuid.js';

packages/stack/src/utils/type-utils.ts

@@ -0,0 +1,11 @@
+/**
+ * Utility for removing keys that works with distributive unions.
+ */
+export type DistributiveOmit<T, K extends keyof any> = T extends any
+  ? Omit<T, K>
+  : never;
+
+/**
+ * Make the given property in a type optional.
+ */
+export type Optional<T, K extends keyof T> = Omit<T, K> & Partial<Pick<T, K>>;