jest-image-snapshot

Seamlessly integrates with Jest's snapshot workflow, including automatic baseline creation and update flags like --updateSnapshot, making it familiar for Jest users.

Supports both pixelmatch for pixel-by-pixel checks and SSIM for structural similarity, with customizable thresholds and noise reduction via Gaussian blur.

Generates composite diff images in horizontal or vertical layouts, highlighting changes for easy debugging during test failures.

Includes a blur option to reduce false positives from visual noise like anti-aliasing or resolution differences, improving test reliability.