From b39dcfc7619bf7ca6d373a21896067725ee77b65 Mon Sep 17 00:00:00 2001
From: Omar Luq <84993125+omarluq@users.noreply.github.com>
Date: Thu, 23 Nov 2023 17:44:18 -0600
Subject: [PATCH] type validation for createStore

---
 src/createStore.ts       | 6 ++++++
 test/createStore.test.ts | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/src/createStore.ts b/src/createStore.ts
index ffc1eabe..36efa769 100644
--- a/src/createStore.ts
+++ b/src/createStore.ts
@@ -29,6 +29,7 @@
 
 import { Store } from './store';
 import type { StoreOptions } from './storeOptions';
+import { typeMap } from './storeValuesTypeMap';
 
 export function createStore<T>(options: StoreOptions<T>): Store<T> {
   const { name, type, initialValue } = options;
@@ -39,5 +40,10 @@ export function createStore<T>(options: StoreOptions<T>): Store<T> {
   } 
   const symbolName = Symbol(name);
 
+  const typeConstructor = typeMap[type.name];
+  if (typeof typeConstructor !== 'function') {
+    throw new Error(`Invalid type: ${type?.name}`);
+  }
+
   return new Store<T>(symbolName, initialValue, type);
 }
\ No newline at end of file
diff --git a/test/createStore.test.ts b/test/createStore.test.ts
index 2ba189ea..65435265 100644
--- a/test/createStore.test.ts
+++ b/test/createStore.test.ts
@@ -15,4 +15,8 @@ describe('createStore', () => {
     expect(typeof store.get()).toBe('number');
     expect(store.name.toString()).toBe('Symbol(testStore)');
   });
+
+  it('should throw an error if an invalid type is provided', () => {
+    expect(() => createStore({ name: 'testStore', initialValue: 0, type: Set } as any)).toThrow('Invalid type: Set');
+  });
 });
\ No newline at end of file