Use when writing, reviewing, or refactoring React 18/19 and Next.js code for performance. Covers waterfall elimination, bundle-size APIs, server-side gotchas, and version-specific/counterintuitive rendering behavior — Next.js 15 after(), React 19 Activity, useEffectEvent, optimizePackageImports, and the &&-renders-0 gotcha.
How to install react-performance?
mixard/fable-pack/react-performance
$npx -y skills add mixard/fable-pack --skill react-performanceInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/mixard/fable-pack" --skill "mixard/fable-pack/react-performance"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/mixard/fable-pack" that are relevant to the current task. Run `npx skills add "https://github.com/mixard/fable-pack"` and select the relevant skills, then follow their instructions.
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