The **Observable Runtime** implements reactivity in both [Observable Framework](https://observablehq.com/framework/) and [Observable notebooks](https://observablehq.com/documentation/notebooks/).

Monitor and respond to object changes

A simple active model

Generic http client

Convert a string/promise/array/iterable/asynciterable/buffer/typedarray/arraybuffer/object into a stream

Angular (LTS) module to resize images files in browser

ECMAScript 2015 (ES6) Object.assign polyfill and ponyfill

Reuse objects and functions with style

TypeScript definitions for zen-push

Convert an object or array into a formatted string

A state management solution implemented using RxJS to mimic Redux architecture.

Sort an object's keys, including an optional key list

Convert Node Streams into ECMAScript-Observables

Mixin the own and inherited properties of other objects onto the first object. Pass an empty object as the first arg to shallow clone.

Serialize JavaScript objects into FormData.

Sizeof of a JavaScript object in Bytes

Listen for changes. Like an event emitter that only emits a single event type. Really tiny.

TypeScript definitions for rx-lite-testing

This module provides the implementation of the Ledger Ethereum signer of the Device Management Kit. It enables interaction with the Ethereum application on a Ledger device including:

`Object.defineProperty`, but not IE 8's broken one.