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- jest-image-snapshot
On the recordRead 4 Oct 202614 facts
jest-image-snapshot
Plans and prices
Open source package
Free
Jest >=20 and <=29 peer dependency · Install with npm
Read 4 Oct 2026 · github.com
On the record
- Browser testing
- The README shows using a browser screenshot as the image input in a visual test.github.com · read 4 Oct 2026
- CI image storage
- The README provides an example reporter that uploads failed diff images to an AWS S3 bucket for ephemeral environments.github.com · read 4 Oct 2026
- Comparison methods
- It supports pixel-by-pixel Pixelmatch comparison and structural similarity (SSIM) comparison, which the README describes as experimental.github.com · read 4 Oct 2026
- Diff output
- The matcher can create horizontal or vertical diff layouts and optionally print a base64 diff or an iTerm inline image to the console.github.com · read 4 Oct 2026
- Installation
- The README gives `npm i --save-dev jest-image-snapshot` as the installation command.github.com · read 4 Oct 2026
- Jest compatibility
- The README lists Jest versions 20 through 29 as a peer dependency and says versions below 20 are unsupported.github.com · read 4 Oct 2026
- License
- The project states that contributions are governed by the Apache License 2.0.github.com · read 4 Oct 2026
- Maker
- American Express says it was founded in 1850 and is headquartered in New York.americanexpress.com · read 4 Oct 2026
- Noise handling
- A configurable Gaussian blur can help address noise from scaling images at different resolutions.github.com · read 4 Oct 2026
- Purpose
- A Jest matcher for comparing images, commonly used for visual regression testing.github.com · read 4 Oct 2026
- Snapshots
- It saves a baseline image on the first run and compares later test images against it.github.com · read 4 Oct 2026
- Thresholds
- Users can set per-pixel sensitivity and an overall failure threshold measured in pixels or percent.github.com · read 4 Oct 2026
- TypeScript support
- The README says the community-maintained DefinitelyTyped definitions may be outdated or inaccurate and are not officially supported by the maintainers.github.com · read 4 Oct 2026
- Update baselines
- Jest’s `--updateSnapshot` or `-u` option updates stored image snapshots.github.com · read 4 Oct 2026
