revert changes on demos folder

Author: tupizz

demos/typescript/tsconfig.app.json

@@ -1,20 +1,26 @@
 {
   "compilerOptions": {
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
     "target": "ES2020",
     "useDefineForClassFields": true,
     "lib": ["ES2020", "DOM", "DOM.Iterable"],
     "module": "ESNext",
     "skipLibCheck": true,
+
+    /* Bundler mode */
     "moduleResolution": "bundler",
     "allowImportingTsExtensions": true,
     "isolatedModules": true,
     "moduleDetection": "force",
     "noEmit": true,
     "jsx": "react-jsx",
+
+    /* Linting */
     "strict": true,
     "noUnusedLocals": true,
     "noUnusedParameters": true,
-    "noFallthroughCasesInSwitch": true
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
   },
   "include": ["src"]
 }

demos/typescript/vite.config.ts

@@ -1,7 +1,13 @@
-import { defineConfig } from 'vite'
-import react from '@vitejs/plugin-react'
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
 
 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [react()],
-})
+  plugins: [
+    react({
+      babel: {
+        plugins: ['styled-jsx/babel'],
+      },
+    }),
+  ],
+});