node-wasm

A working example for the new --experimental-wasm-modules feature in node.js v12.3.1.

Features

• Assemblyscript project for building .wasm file
• Node project using --experimental-wasm-modules
• Usage example

Usage

Prerequisite

Install node.js v12.3.1 on your machine from here.

Setup

git clone https://github.com/florisdh/node-wasm.git
cd node-wasm

Build WebAssembly

Build the assemblyscript project to create the .wasm file.

cd assembly
npm i
npm run build

Run Node Application

The node app has a simple usage example, which uses the wasm file generated by the previous step.

cd ../node
npm i
npm start

About

Technologies like WebAssembly are changing the way our applications are built. More and more developers are now offloading heavy tasks to WebAssembly to improve overal performance. I made this project to provide a simple example on how you can already speed up your node application with this experimental feature.

Notes

• Your script which is importing the WebAssembly file must end with .mjs.
• Not all WebAssembly features are implemented yet, so you might have to do some workarounds for more complex projects.

TODO

• Add some benchmarks
• Link to docs in readme