Initial commit

web/src/entry.client.tsx

@@ -0,0 +1,24 @@
+import { hydrateRoot, createRoot } from 'react-dom/client'
+
+import App from './App'
+/**
+ * When `#redwood-app` isn't empty then it's very likely that you're using
+ * prerendering. So React attaches event listeners to the existing markup
+ * rather than replacing it.
+ * https://react.dev/reference/react-dom/client/hydrateRoot
+ */
+const redwoodAppElement = document.getElementById('redwood-app')
+
+if (!redwoodAppElement) {
+  throw new Error(
+    "Could not find an element with ID 'redwood-app'. Please ensure it " +
+      "exists in your 'web/src/index.html' file."
+  )
+}
+
+if (redwoodAppElement.children?.length > 0) {
+  hydrateRoot(redwoodAppElement, <App />)
+} else {
+  const root = createRoot(redwoodAppElement)
+  root.render(<App />)
+}