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add-error-boundary

Add standardized route error boundaries to React Router 7 apps.

4|Updated Oct 24, 2025
Search Tags:#react-router#404#error-boundary#frontend-robustness#403#route-errors
One-click install
npx skills add https://github.com/tech-with-seth/iridium --skill add-error-boundary
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: add-error-boundary
Source: https://github.com/tech-with-seth/iridium/tree/main/.github/skills/add-error-boundary
Command: npx skills add https://github.com/tech-with-seth/iridium --skill add-error-boundary

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides standardized route error handling by introducing reusable error boundaries for React Router 7. It prevents blank pages and confusing crashes when a route encounters a 404, 403, or unexpected error, delivering a consistent, user-friendly UX.

Core Features & Use Cases

  • Reusable Route Boundary: A single ErrorBoundary component that gracefully renders Not Found, Access Denied, and generic error states for routes.
  • Loader Error Handling: Demonstrates throwing route errors with data({ status }) inside loaders to trigger the boundary UI.
  • Root + Route Boundaries: Guidance to place a root ErrorBoundary and add route-specific boundaries where custom UX is required.

Quick Start

  • Create an ErrorBoundary component following the pattern described and export it for route usage.
  • Wrap your routes in app/root.tsx with the ErrorBoundary to catch route errors.
  • In loaders, use data('... not found or forbidden', { status: 404 or 403 }) to trigger the boundary UI.

Frequently Asked Questions about add-error-boundary

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I handle 404 and 403 route errors in React Router 7?▼

You can prevent blank pages during route crashes by implementing a reusable route ErrorBoundary component and wrapping your routes in app/root.tsx to centralize error presentation for unexpected failures.

Can I use a single error boundary for all React Router routes?▼

Yes, you can place a root ErrorBoundary in app/root.tsx to centralize error presentation across routes, while adding route-specific boundaries only where custom UX is required for specific failures.

What is the best way to show a graceful error UI for forbidden routes?▼

The best way to show a graceful error UI for forbidden routes is throwing a data response with a 403 status from your loader, which automatically triggers the React Router ErrorBoundary to render an Access Denied state.

Do I need a separate error boundary for each protected route in React Router?▼

No, you do not need a separate error boundary for each protected route. A single root boundary can catch all route errors, though you can add route-specific boundaries where custom UX is desired.

Why does my React Router app show a blank page when a route loader fails?▼

Your React Router app shows a blank page when a route loader fails because it lacks an ErrorBoundary component to catch the thrown error, meaning the application crashes without rendering a recovery UI.

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