RunKit + 
Try any Node.js package right in your browser
This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including ra4xstate. Try it out:
require("@types/ws/package.json"); // @types/ws is a peer dependency.
require("ws/package.json"); // ws is a peer dependency.
require("xstate/package.json"); // xstate is a peer dependency.
var ra4xstate = require("ra4xstate")
- all documents on RunKit are public
require()any package directly from npm- use arrow functions, classes, template strings, and most of ES6
awaitany promise instead of using callbacks (example)- create your own embedded node.js snippets
This service is provided by RunKit and is not affiliated with npm, Inc or the package authors.