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Rust编写的JavaScript引擎，该项目是一个试验性质的项目。
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Jason Williams 26ba6a673d
Update CONTRIBUTING.md 		5 years ago
.vscode alphabetical ordering of punctuation, all keywords added, support for spread operator, new tests for punctuation (WIP) 6 years ago
assets web assembly demo updates 6 years ago
dist updating wasm build to reflect v1.2.1 5 years ago
docs/img let and const now partially supported (#18) 6 years ago
src Add abilityto specify a file to read from (#41) 5 years ago
tests/js changing preview_next() to return Option and next_is to bool (#26) 6 years ago
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Cargo.lock updating version 5 years ago
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README.md

Boa

This is an experimental Javascript lexer, parser and compiler written in Rust. Currently, it has support for some of the language.
Build Status

This project is an attempted rewrite of Bebbington's js.rs. Most of the Rust code has been rewritten from scratch.

Live Demo (WASM)

https://jasonwilliams.github.io/boa/

You can get more verbose errors when running from the commnand line

Contributing

If you don't already have Rust installed rustup is the recommended tool to use. It will install Rust and allow you to switch between nightly, stable and beta. You can also install additional components.

curl https://sh.rustup.rs -sSf | sh

Then simply clone this project and cargo build To develop on the web assembly side you can run yarn serve then go to http://localhost:8080

Web Assembly

This interpreter can be exposed to javascript! You can build the example locally with:

$ yarn install
$ yarn serve

In the console you can use window.evaluate to pass JavaScript in

Roadmap

See Project view

Usage

  • Checkout this project
  • Build cargo build
  • cargo run
  • You can make changes to tests/js/test.js and build again
  • If any JS doesn't work its a bug! Please raise an issue

Example

Example