Smart Resource
An observable helper for asynchronous resources
Installation
npm install smart-resource
Usage
A SmartResource takes any function that returns a promise and converts it into an observable that automatically notifies subscribers when a refetch is triggered.
const RandomNumberResource = new SmartPromise(() => {
return new Promise((resolve) => {
setTimeout(() => {
resolve(Math.random());
}, 1000);
});
});
const subscriber = RandomNumberResource.subscribe((resource) => {
console.log(`New random number: ${resource.value}!`);
});
RandomNumberResource.fetch();
RandomNumberResource.fetch();
subscriber.unsubscribe();
RandomNumberResource.fetch();Output:
New random number: 0.5081273919151901!
New random number: 0.44005522329031255!