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https://github.com/postcss-rs/postcss-rs
🚀 Fast and 100% API compatible postcss replacer, built in Rust
https://github.com/postcss-rs/postcss-rs
ast css postcss rust
Last synced: about 1 month ago
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🚀 Fast and 100% API compatible postcss replacer, built in Rust
- Host: GitHub
- URL: https://github.com/postcss-rs/postcss-rs
- Owner: postcss-rs
- License: mit
- Created: 2021-10-18T07:06:58.000Z (almost 3 years ago)
- Default Branch: main
- Last Pushed: 2022-10-31T16:07:24.000Z (almost 2 years ago)
- Last Synced: 2024-07-18T00:36:47.972Z (about 2 months ago)
- Topics: ast, css, postcss, rust
- Language: Rust
- Homepage:
- Size: 1.35 MB
- Stars: 545
- Watchers: 8
- Forks: 20
- Open Issues: 14
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
- awesome-github-repos - postcss-rs/postcss-rs - 🚀 Fast and 100% API compatible postcss replacer, built in Rust (Rust)
README
# postcss-rs
🚀 Fast and 100% API compatible postcss replacer, built in Rust
> ⚠️ DO NOT USE. STILL WORK IN PROGRESS.
## Performance Improvement
Run benchmark:
```bash
cargo build --release --locked --bin "benchmark*"
cargo run --release --bin benchmark
```
Tokenizer (Compare with Node.js v16.13.0):
```bash
js: 0.71s user 0.09s system 152% cpu 0.619 total
rust: 0.03s user 0.01s system 93% cpu 0.039 total
```
| **file** | tailwind-components.css | bootstrap-reboot.css | bootstrap-grid.css | bootstrap.css | tailwind.css | tailwind-dark.css |
| -------: | ----------------------: | -------------------: | -----------------: | ------------: | -----------: | ----------------: |
| **size** | 2.8K | 7.4K | 71K | 201K | 3.5M | 5.8M |
| **js** | 1.813ms | 2.380ms | 11.856ms | 33.919ms | 167.309ms | 224.577ms |
| **rust** | 0.019ms | 0.037ms | 0.191ms | 0.721ms | 9.624ms | 15.743ms |
| **~** | 95x | 64x | 61x | 47x | 17x | 14x |
Parser (Compare with Node.js v16.13.0):
```bash
js: 1.45s user 0.16s system 183% cpu 0.881 total
rust: 0.10s user 0.03s system 97% cpu 0.137 total
```
| **file** | tailwind-components.css | bootstrap-reboot.css | bootstrap-grid.css | bootstrap.css | tailwind.css | tailwind-dark.css |
| -------: | ----------------------: | -------------------: | -----------------: | ------------: | -----------: | ----------------: |
| **size** | 2.8K | 7.4K | 71K | 201K | 3.5M | 5.8M |
| **js** | 4.405ms | 4.203ms | 33.344ms | 55.749ms | 356.345ms | 441.832ms |
| **rust** | 0.070ms | 0.088ms | 1.016ms | 2.220ms | 45.112ms | 68.663ms |
| **~** | 63x | 47x | 33x | 25x | 8x | 6x |
🎉 Welcome to contribute, here is a guide:
```bash
git checkout main
cargo bench -- --save-baseline main
```
Create a baseline, Then do some optimization work here.
```bash
git checkout feature ## `feature` is your branch
```
Compare against the `main` baseline.
```bash
cargo bench -- --baseline main
```
## License
[postcss-rs](https://github.com/justjavac/postcss-rs) is released under the
MIT License. See the [LICENSE](./LICENSE) file in the project root directory for details.
## ACKNOWLEDGEMENT
**The project is based on the wonderful work of Andrey Sitnik([@ai](https://github.com/ai)) 's [postcss](https://github.com/postcss/postcss), which is under MIT License(See [HERE](./POSTCSS.LICENSE)), Great thanks to Mr. Sitnik and other contributors' work.**