Consider BlazeDiff instead of pixelmatch for faster image diffs
Maintainers usually reply within 1 day
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 18/100
- Issue type
- Feature
- Clarity
- Needs clarification
- Activity status
- Active
- Tech stack
- typescript
- Domain
- testing
Research direction
The payload names only pixelmatch, the image diff library this issue proposes replacing, and gives no file or test paths. Before writing code, find where pixelmatch is used in the repository and check whether maintainers want a dependency change at all, since the thread has only one comment and no decision. A newcomer's first step is a comment asking for that decision; done means a maintainer has either accepted a specific swap with a plan or closed the issue.
Written by the indexing model from the issue text.
Description
Hey! I made BlazeDiff - the fastest image diff tool (MIT). It keeps pixelmatch approach, but 68% faster on average and 88% faster on identical images (benchmarks).
Initially, made it because my team hurt the visuals testing time. I could make it faster because it first compares blocks of pixels (squares) and skips the blocks that did not change, so only changed ones go to the expensive check.
Vitest, Ant Design, ApexCharts, Vega and React Native Skia (Shopify) already migrated to it.
I can open a PR if you want a faster diff with 0 effort.
Useful links
- Dominant language
- TypeScript
- Stars
- 961
- Forks
- 179
- Avg merge
- 15h 33m
- Merged PRs (30d)
- 476
Getting set up
This project ships no dev container, Dockerfile or contributing guide, so setting up is up to you: start from its README, and see our first-contribution guide for the general steps.
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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