fix: stricter types (storybookjs#562)

dannyhw · web-flow · commit 126874333bc7 · 2024-03-08T16:24:27.000Z
diff --git a/examples/expo-example/App.test.tsx b/examples/expo-example/App.test.tsx
@@ -6,7 +6,7 @@ import App from './App';
 describe('<App />', () => {
   it('has 1 child', () => {
     const tree = renderer.create(<App />).toJSON();
-    if (!Array.isArray(tree) && tree.children) {
+    if (!Array.isArray(tree) && tree?.children) {
       expect(tree.children.length).toBe(1);
     } else {
       throw new Error('App has no children');
diff --git a/examples/expo-example/tsconfig.json b/examples/expo-example/tsconfig.json
@@ -2,7 +2,9 @@
   "compilerOptions": {
     "skipLibCheck": true,
     "lib": ["es6"],
-    "baseUrl": "./"
+    "baseUrl": "./",
+    "strict": true
   },
-  "extends": "expo/tsconfig.base"
+  "extends": "expo/tsconfig.base",
+  "include": ["./.storybook/", "./.storybook-web/", "./*"]
 }
diff --git a/packages/react-native/src/Start.tsx b/packages/react-native/src/Start.tsx
@@ -10,19 +10,19 @@ import { PreviewWithSelection } from '@storybook/preview-api/dist/preview-web';
 import { createBrowserChannel } from '@storybook/channels';
 import { View } from './View';
 import type { ReactRenderer } from '@storybook/react';
-import type { NormalizedStoriesSpecifier } from '@storybook/types';
+import type { NormalizedStoriesSpecifier, StoryIndex } from '@storybook/types';
 
 export function prepareStories({
   storyEntries,
 }: {
   storyEntries: Array<NormalizedStoriesSpecifier & { req: any }>;
 }) {
-  let index = {
+  let index: StoryIndex = {
     v: 4,
     entries: {},
   };
 
-  let importMap = {};
+  let importMap: Record<string, any> = {};
 
   const makeTitle = (
     fileName: string,
