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react19-test-patterns

Refactor JavaScript/TypeScript test suites for React 19 compatibility.

Updated Feb 27, 2026
Search Tags:#react#compatibility#test suite#react 19#test migration
One-click install
npx skills add https://github.com/luisgustavooliveira/skills --skill react19-test-patterns
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: react19-test-patterns
Source: https://github.com/luisgustavooliveira/skills/tree/main/react19-test-patterns
Command: npx skills add https://github.com/luisgustavooliveira/skills --skill react19-test-patterns

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses the complexities of migrating test files to React 19 compatibility, ensuring a smooth transition with minimal disruption.

Core Features & Use Cases

  • Pattern-based Migration: Offers a structured approach to update test files with React 19's new patterns.
  • Compatibility Guidance: Provides detailed instructions for replacing deprecated functions and methods.
  • Use Case: When upgrading a React application to React 19, this Skill helps refactor test files to ensure they remain functional and efficient.

Quick Start

Apply the react19-test-patterns skill to automatically update your test files for React 19 compatibility.

Frequently Asked Questions about react19-test-patterns

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

FAQPage Schema
How do I migrate test files for React 19 compatibility?▼

Migrate test files for React 19 by replacing deprecated functions and methods with their React 19 equivalents. This refactoring process targets JavaScript and TypeScript test suites to ensure they pass after upgrading.

What breaking changes in React 19 affect my test suite?▼

React 19 breaking changes deprecate specific React Test Utils functions and methods. Your test suite is affected when these outdated calls trigger failures during execution, requiring pattern-based replacement with updated equivalents.

What's the best way to update deprecated React Test Utils methods?▼

Update deprecated React Test Utils methods by applying structured migration patterns. This approach replaces outdated functions with their React 19 equivalents, ensuring test files remain functional and efficient across JavaScript and TypeScript suites.

Does this React 19 test migration approach work with TypeScript test suites?▼

Yes, the React 19 test migration approach works with TypeScript test suites. It explicitly supports JavaScript and TypeScript test suites using React and React Test Utils, ensuring pattern-based refactoring applies across both environments.

Why are my React tests failing after upgrading to React 19?▼

React tests fail after upgrading to React 19 because deprecated functions and methods in your test files are no longer supported. Refactoring these calls to match React 19 compatibility patterns resolves the execution failures.

Do I need knowledge of React 19 breaking changes before refactoring tests?▼

Yes, you need knowledge of React 19 breaking changes and test suite refactoring. Understanding these specific deprecations is required to accurately replace outdated functions with their new React 19 equivalents.

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