mirror of
https://github.com/swc-project/swc.git
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Rust-based platform for the Web
babelcompilerecmascriptecmascript-parserjavascriptparserruststarred-repostarred-swc-project-reposwctypescripttypescript-compilertypescript-parser
8ef30cc08c
**Description:**
Now, `TokenContext` is 1 byte, so we can increase the stack size for it.
```
Gnuplot not found, using plotters backend
Benchmarking es/parser/colors
Benchmarking es/parser/colors: Warming up for 3.0000 s
Benchmarking es/parser/colors: Collecting 100 samples in estimated 5.0243 s (561k iterations)
Benchmarking es/parser/colors: Analyzing
es/parser/colors time: [8.8652 µs 8.8821 µs 8.9013 µs]
change: [+0.3001% +0.6986% +1.0681%] (p = 0.00 < 0.05)
Change within noise threshold.
Found 9 outliers among 100 measurements (9.00%)
4 (4.00%) high mild
5 (5.00%) high severe
Benchmarking es/parser/angular
Benchmarking es/parser/angular: Warming up for 3.0000 s
Benchmarking es/parser/angular: Collecting 100 samples in estimated 5.1460 s (1100 iterations)
Benchmarking es/parser/angular: Analyzing
es/parser/angular time: [4.5989 ms 4.6075 ms 4.6180 ms]
change: [+1.5999% +1.9780% +2.3764%] (p = 0.00 < 0.05)
Performance has regressed.
Found 8 outliers among 100 measurements (8.00%)
1 (1.00%) high mild
7 (7.00%) high severe
Benchmarking es/parser/backbone
Benchmarking es/parser/backbone: Warming up for 3.0000 s
Benchmarking es/parser/backbone: Collecting 100 samples in estimated 7.0775 s (10k iterations)
Benchmarking es/parser/backbone: Analyzing
es/parser/backbone time: [694.50 µs 695.84 µs 697.51 µs]
change: [-1.1099% -0.7438% -0.3658%] (p = 0.00 < 0.05)
Change within noise threshold.
Found 13 outliers among 100 measurements (13.00%)
5 (5.00%) high mild
8 (8.00%) high severe
Benchmarking es/parser/jquery
Benchmarking es/parser/jquery: Warming up for 3.0000 s
Benchmarking es/parser/jquery: Collecting 100 samples in estimated 5.1340 s (1300 iterations)
Benchmarking es/parser/jquery: Analyzing
es/parser/jquery time: [3.9253 ms 3.9334 ms 3.9430 ms]
change: [+0.2515% +0.6374% +1.0228%] (p = 0.00 < 0.05)
Change within noise threshold.
Found 10 outliers among 100 measurements (10.00%)
3 (3.00%) high mild
7 (7.00%) high severe
Benchmarking es/parser/jquery mobile
Benchmarking es/parser/jquery mobile: Warming up for 3.0000 s
Benchmarking es/parser/jquery mobile: Collecting 100 samples in estimated 5.3971 s (900 iterations)
Benchmarking es/parser/jquery mobile: Analyzing
es/parser/jquery mobile time: [5.9041 ms 5.9175 ms 5.9340 ms]
change: [-1.8844% -1.5663% -1.2247%] (p = 0.00 < 0.05)
Performance has improved.
Found 11 outliers among 100 measurements (11.00%)
4 (4.00%) high mild
7 (7.00%) high severe
Benchmarking es/parser/mootools
Benchmarking es/parser/mootools: Warming up for 3.0000 s
Benchmarking es/parser/mootools: Collecting 100 samples in estimated 5.1747 s (1700 iterations)
Benchmarking es/parser/mootools: Analyzing
es/parser/mootools time: [3.0240 ms 3.0352 ms 3.0489 ms]
change: [-1.5654% -1.1553% -0.6819%] (p = 0.00 < 0.05)
Change within noise threshold.
Found 7 outliers among 100 measurements (7.00%)
1 (1.00%) high mild
6 (6.00%) high severe
Benchmarking es/parser/underscore
Benchmarking es/parser/underscore: Warming up for 3.0000 s
Benchmarking es/parser/underscore: Collecting 100 samples in estimated 6.1976 s (10k iterations)
Benchmarking es/parser/underscore: Analyzing
es/parser/underscore time: [612.60 µs 614.58 µs 616.82 µs]
change: [-1.9306% -1.5582% -1.1803%] (p = 0.00 < 0.05)
Performance has improved.
Found 7 outliers among 100 measurements (7.00%)
4 (4.00%) high mild
3 (3.00%) high severe
Benchmarking es/parser/three
Benchmarking es/parser/three: Warming up for 3.0000 s
Benchmarking es/parser/three: Collecting 100 samples in estimated 5.1445 s (300 iterations)
Benchmarking es/parser/three: Analyzing
es/parser/three time: [16.890 ms 16.951 ms 17.026 ms]
change: [-2.1520% -1.7192% -1.2254%] (p = 0.00 < 0.05)
Performance has improved.
Found 17 outliers among 100 measurements (17.00%)
3 (3.00%) high mild
14 (14.00%) high severe
Benchmarking es/parser/yui
Benchmarking es/parser/yui: Warming up for 3.0000 s
Benchmarking es/parser/yui: Collecting 100 samples in estimated 5.0417 s (1800 iterations)
Benchmarking es/parser/yui: Analyzing
es/parser/yui time: [2.8076 ms 2.8156 ms 2.8249 ms]
change: [-2.2730% -1.9284% -1.5384%] (p = 0.00 < 0.05)
Performance has improved.
Found 16 outliers among 100 measurements (16.00%)
5 (5.00%) high mild
11 (11.00%) high severe
Benchmarking es/parser/cal-com
Benchmarking es/parser/cal-com: Warming up for 3.0000 s
Benchmarking es/parser/cal-com: Collecting 100 samples in estimated 5.9664 s (400 iterations)
Benchmarking es/parser/cal-com: Analyzing
es/parser/cal-com time: [14.815 ms 14.888 ms 14.974 ms]
change: [-1.2376% -0.7153% -0.1968%] (p = 0.01 < 0.05)
Change within noise threshold.
Found 17 outliers among 100 measurements (17.00%)
1 (1.00%) high mild
16 (16.00%) high severe
Benchmarking es/parser/typescript
Benchmarking es/parser/typescript: Warming up for 3.0000 s
Warning: Unable to complete 100 samples in 5.0s. You may wish to increase target time to 10.5s, or reduce sample count to 40.
Benchmarking es/parser/typescript: Collecting 100 samples in estimated 10.496 s (100 iterations)
Benchmarking es/parser/typescript: Analyzing
es/parser/typescript time: [101.97 ms 102.32 ms 102.73 ms]
change: [-1.6102% -1.1640% -0.7126%] (p = 0.00 < 0.05)
Change within noise threshold.
Found 14 outliers among 100 measurements (14.00%)
4 (4.00%) high mild
10 (10.00%) high severe
```
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|---|---|---|
| .cargo | ||
| .github | ||
| .husky | ||
| .vscode | ||
| bindings | ||
| crates | ||
| docs/adr | ||
| packages | ||
| rules | ||
| scripts | ||
| xtask | ||
| .gitattributes | ||
| .gitignore | ||
| .gitmodules | ||
| .kodiak.toml | ||
| .mocha.setup.js | ||
| .mocharc.js | ||
| .prettierignore | ||
| .prettierrc | ||
| .rustfmt.toml | ||
| .taplo.toml | ||
| .yarnrc.yml | ||
| ARCHITECTURE.md | ||
| Cargo.lock | ||
| Cargo.toml | ||
| CHANGELOG.md | ||
| cliff.toml | ||
| clippy.toml | ||
| CONTRIBUTING.md | ||
| cspell.json | ||
| deny.toml | ||
| LICENSE | ||
| MAINTENANCE.md | ||
| package.json | ||
| README.md | ||
| rust-toolchain | ||
| sgconfig.yml | ||
| yarn.lock | ||
Make the web (development) faster.
SWC (stands for Speedy Web Compiler) is a super-fast TypeScript / JavaScript compiler written in Rust. It's a library for Rust and JavaScript at the same time. If you are using SWC from Rust, see rustdoc and for most users, your entry point for using the library will be parser.
Also, SWC tries to ensure that
If you select the latest version of each crates, it will work
for rust users.
MSRV of crates is currently 1.71.
To update all SWC crates you use, you can run curl https://raw.githubusercontent.com/swc-project/swc/main/scripts/update-all-swc-crates.sh | bash -s. This script will update all dependencies to the latest version and run cargo build to ensure that everything works.
Note that you need
jqcargo upgrade
command to run the script.
If you are using SWC from JavaScript, please refer to docs on the website.
Documentation
Check out the documentation in the website.
Features
Please see comparison with babel.
Performance
Please see benchmark results on the website.
Supporting swc
SWC is a community-driven project, and is maintained by a group of volunteers. If you'd like to help support the future of the project, please consider:
- Giving developer time on the project. (Message us on Discord (preferred) or Github discussions for guidance!)
- Giving funds by becoming a sponsor (see https://opencollective.com/swc)!
Contributing
See CONTRIBUTING.md. You may also find the architecture documentation useful (ARCHITECTURE.md).
License
SWC is primarily distributed under the terms of the Apache License (Version 2.0).
See LICENSE for details.