Observable

A simple Observable implementation in JavaScript.

Installation

npm install --save @dobschal/observable

Usage

Observe values and get notified when they change:

import{Observable}from'@dobschal/observable';constcount=Observable(5);count.subscribe(value=>{console.log(value);});count.set(10);// will trigger the subscription and log 10count.value=15;// will trigger the subscription and log 15

Watch computed values:

import{Computed,Observable}from'@dobschal/observable';constcount=Observable(5);constmultiplied=Computed(()=>count.value*2);multiplied.subscribe(value=>{console.log(value);});