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react-router-v7-params-debug

Diagnose undefined route parameters in React Router v7 components.

2|Updated May 10, 2026
Search Tags:#debugging#frontend#react#react-router#api errors#v7 migration#route params
One-click install
npx skills add https://github.com/freedomw1987/tree_monstor --skill react-router-v7-params-debug
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: react-router-v7-params-debug
Source: https://github.com/freedomw1987/tree_monstor/tree/main/skills/frontend/react-router-v7-params-debug
Command: npx skills add https://github.com/freedomw1987/tree_monstor --skill react-router-v7-params-debug

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill addresses the common breaking change in react-router-dom v7 where route parameters are no longer automatically passed as component props, leading to undefined parameter values, failed API requests, and broken functionality for pages that rely on URL params like authentication tokens or user emails.

Core Features & Use Cases

  • Breaking Change Diagnosis: Quickly identifies if a component is using the outdated v6 pattern of destructuring params from props instead of the v7 required useParams hook.
  • Step-by-Step Debugging: Provides clear instructions to instrument fetch calls, verify build updates, and clear cached assets to rule out common caching issues.
  • Edge Case Handling: Includes solutions for URL-encoded parameters like email addresses that require decodeURIComponent processing.
  • Use Case: For example, after upgrading a React app to react-router-dom v7, a password reset page that previously worked stops sending the required token in API requests; this Skill fixes the broken param passing in minutes.

Quick Start

Use the react-router-v7-params-debug skill to fix undefined route parameters in your React Router v7 application components.

Frequently Asked Questions about react-router-v7-params-debug

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

FAQPage Schema
Why are my React Router v7 route params undefined after upgrading?▼

React Router v7 route params are undefined because v7 no longer automatically passes them as component props, requiring the useParams hook to fetch URL parameters like authentication tokens or resource IDs.

How do I fix missing route parameters in React Router v7 components?▼

Fix missing route parameters by replacing the outdated v6 props destructuring pattern with the v7 required useParams hook, then instrument fetch calls and verify build updates to restore parameter passing.

How do I handle URL-encoded parameters like email addresses in React Router v7?▼

Handle URL-encoded parameters in React Router v7 by applying decodeURIComponent processing to email addresses or other encoded values retrieved from the useParams hook.

Can cached assets cause silent API request failures with React Router v7 params?▼

Cached assets can cause silent API request failures with React Router v7 params, requiring cache validation steps and build verification to rule out common caching issues during debugging.

What is the best way to debug React Router v7 password reset tokens missing from API requests?▼

Debug missing React Router v7 password reset tokens by diagnosing breaking changes to parameter passing behavior, verifying useParams hook implementation, and checking URL-encoded token decoding.

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