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 @sanity/observable. Try it out:
const Observable = require('./')
Observable
.of('Foo, bar, SKIP, Baz')
.flatMap(str => str.split(/,\s*/))
.filter(word => word !== 'SKIP')
.map(word => word.toUpperCase())
.flatMap(word => Promise.resolve(`prefix-${word}`))
.subscribe(prefixedWord => {
console.log(prefixedWord)
})
- 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
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