fix type of selectors w/ subduxes

src/selectors.test.ts

@@ -5,7 +5,7 @@ import Updux, { createAction } from './index.js';
 describe('basic selectors', () => {
     type State = { x: number };
 
-    const foo = new Updux({
+    const config = {
         initialState: {
             x: 1,
         },
@@ -23,8 +23,16 @@ describe('basic selectors', () => {
                             (y + incr) as number,
                 },
             }),
+            // cause the type to fail
+            baz: new Updux({
+                selectors: {
+                    getFromBaz: () => 'potato',
                 },
-    });
+            }),
+        },
+    };
+
+    const foo = new Updux(config);
 
     const sample = {
         x: 4,

src/selectors.ts

@@ -17,9 +17,11 @@ type Values<X> = X[keyof X];
 
 export type DuxSelectors<D> = (D extends { selectors: infer S } ? S : {}) &
     (D extends { subduxes: infer SUB }
-        ? Values<{
+        ? UnionToIntersection<
+              Values<{
                   [key in keyof SUB]: RebaseSelectors<key, SUB[key]>;
               }>
+          >
         : {});
 
 export function buildSelectors(localSelectors = {}, subduxes = {}) {