Loaders are executed twice when using React.StrictMode

[ferretwithaberet]

Describe the Bug

React router loaders run twice when using React.StrictMode

Generouted Version

1.18.5

Your Example Website or App or Reproduction

https://stackblitz.com/edit/vitejs-vite-jbnrwj?file=src%2Fmain.tsx&terminal=dev

Steps to Reproduce the Bug or Issue

1. Make a router with a route that has a Loader;
2. Add a console.log inside the Loader;
3. Add React.StrictMode above the Routes component;
4. Open browser console, navigate to the route and observe the Loader runs twice.

Expected Behavior

The loader should only run once

Screenshots or Videos

No response

Platform

• OS: [e.g. macOS, Windows, Linux] Linux
• Browser: [e.g. Chrome, Safari, Firefox] Firefox Developer Edition
• Browser version: [e.g. 91.1] 125.0b5 (64-bit)

Additional context

Might be related to remix-run/react-router#10605

[oedotme]

Hey @ferretwithaberet, thanks for opening this issue and providing the related issue. I just released v1.18.7 with the fix.