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Rust-based platform for the Web
babelcompilerecmascriptecmascript-parserjavascriptparserruststarred-repostarred-swc-project-reposwctypescripttypescript-compilertypescript-parser
.cargo | ||
.vscode | ||
atoms | ||
common | ||
ecmascript | ||
libswc | ||
macros | ||
scripts | ||
src/bin | ||
testing | ||
.gitignore | ||
.gitmodules | ||
.rustfmt.toml | ||
.travis.yml | ||
bors.toml | ||
Cargo.toml | ||
LICENSE-APACHE | ||
LICENSE-MIT | ||
README.md | ||
rust-toolchain |
spdy web compiler
Make the web (development) faster.
swc is rust port of babel and closure compiler.
Installation
Requires nightly version of rust.
RUSTFLAGS='--cfg procmacro2_semver_exempt --cfg parallel_queries' cargo install --git https://github.com/swc-project/swc.git
Features
Transforms
New generation javascript to old-days javascript.
-
es3
- member-expression-literals
- property-literals
- reserved-words
-
es5
- property-mutators
-
es2015
- arrow-functions
- block-scoped-functions
- block-scoping
- classes
- computed-properties
- destructuring
- duplicate-keys
- for-of
- function-name
- instanceof
- literals
- new-target
- object-super
- parameters
- shorthand-properties
- spread
- sticky regex (
y
flag) - template-literals
- typeof-symbol
- unicode-regex
-
es2016
- exponentiation-operator
-
es2017
- async-to-generator
-
es2018
- async-generator-functions
- dotall-regex
- object-rest-spread
- optional-catch-binding
- unicode-property-regex
Usage
test.js
:
8 + 8;
use(8 + 8, 8 ** 8);
Example
swc jsc test.js
Output
8 + 8;
use(8 + 8, Math.pow(8, 8));
Example
swc jsc --optimize test.js
Output
use(8 + 8, Math.pow(8, 8));
Contributing
See CONTRIBUTING.md. You may also find the architecture documentation useful (ARCHITECTURE.md).
License
swc is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0).
See LICENSE-APACHE and LICENSE-MIT for details.