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⚠️ Notice: This package has been merged into the happo package. Please install happo instead:

npm install --save-dev happo

Migration guide


Happo is a visual regression testing tool. It hooks into your CI environment to compare the visual appearance of UI components before and after a change. Screenshots are taken in different browsers and across different screen sizes to ensure consistent cross-browser and responsive styling of your application.

See docs.happo.io for up-to-date documentation

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Happo is a cross-browser screenshot testing service for continuous integration. It can be used standalone or integrated with Storybook, Cypress, Playwright, and more.

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