fluencelabs/wasm-bindgen
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Not really an exclusive polyfill but moreso nice features too!
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Alex Crichton 2018-02-02 08:14:05 -08:00
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# wasm-bindgen
A CLI and Rust dependency for acting as a polyfill for [Wasm host
bindings][host], allowing you to interoperate with JS from wasm with types like
strings, JS objects, etc.
A project for facilitating high-level interactions between wasm modules and JS.
[host]: https://github.com/WebAssembly/host-bindings
[![Build Status](https://travis-ci.org/alexcrichton/wasm-bindgen.svg?branch=master)](https://travis-ci.org/alexcrichton/wasm-bindgen)
[![Build status](https://ci.appveyor.com/api/projects/status/559c0lj5oh271u4c?svg=true)](https://ci.appveyor.com/project/alexcrichton/wasm-bindgen)
This project is a "temporary" polyfill for the [host bindings proposal][host]
which is intended to empower wasm modules to interact with host objects such as
strings, JS objects, etc. This project enables defining JS classes in wasm,
taking strings from JS in wasm, and calling into JS with JS objects previously
provided.
This project is sort of half polyfill for features like the [host bindings
proposal][host] and half features for empowering high-level interactions between
JS and wasm-compiled code (currently mostly from Rust). More specifically this
project allows JS/wasm to communicate with strings, JS objects, classes, etc, as
opposed to purely integers and floats. Using `wasm-bindgen` for example you can
define a JS class in Rust or take a string from JS or return one. The
functionality is growing as well!
Currently this tool is Rust-focused but the underlying foundation is
language-independent, and it's hoping that over time as this tool stabilizes