See a Lag Radar in your Storybook stories
npm install storybook-addon-lag-radar
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Storybook Addon Lag Radar

Storybook Addon Lag Radar allows you to view how much your rendering thread is blocked

Lag Radar Demo

Inspired by this talk by @dan_abramov, using LagRadar by @mobz

Getting Started

yarn add -D storybook-addon-lag-radar

Then create a file called addons.js in your Storybook config.

Add following content to it:

import 'storybook-addon-lag-radar';