diff --git a/.npmignore b/.npmignore
index 24c5f79..b0f5ec0 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,6 +1,9 @@
-build.js
 .vscode
-/staterino.js
 yarn.lock
 .prettierrc
-.eslintrc.js
\ No newline at end of file
+.eslintrc.js
+
+/build.js
+/staterino.js
+/staterino.test.js
+/type-test.js
\ No newline at end of file
diff --git a/type-test.ts b/type-test.ts
new file mode 100644
index 0000000..6b6d3d3
--- /dev/null
+++ b/type-test.ts
@@ -0,0 +1,40 @@
+import staterino from 'staterino'
+
+interface State {
+  book: boolean
+  house: number
+  nested: {
+    hi: number
+  }
+}
+
+const initialState: State = {
+  book: true,
+  house: 10,
+  nested: {
+    hi: 3
+  }
+}
+
+const useStore = staterino<State>({
+  state: initialState,
+  hooks: { useLayoutEffect: true, useReducer: true },
+  merge: () => null
+})
+
+const val = useStore(s => s.house)
+
+const [blah, house, hi] = useStore(['hi', s => s.house, s => s.nested.hi])
+
+useStore.subscribe(
+  s => s.book,
+  book => console.log(book)
+)
+
+useStore.subscribe([s => s.house, s => s.nested.hi], (house, hi) => {})
+useStore.subscribe(s => {})
+useStore.subscribe([s => s.book, 'hello'], (book, h) => {})
+
+useStore.set([{ book: true }, { nested: {} }, s => s, [[[{ house: 3 }]]]])
+
+const s = useStore()