1.1.2 • Published 2 years ago
promise-result v1.1.2
promise-result
Simple wrapper for promise results with status.
Installation
npm install --save promise-result
Example
Basic usage:
import { PromiseResult, pending, createFulfilled, createRejected, isFulfilled, isPending, isRejected } from 'promise-result';
let state: PromiseResult<string> = pending;
const myPromise = fetch('https://example.org/')
.then(() => {
state = createFulfilled('Everything is OK!');
})
.catch((error) => {
state = createRejected(error);
});
function doSomethingWithState() {
if (isFulfilled(state)) {
// Show user the result...
show(state.result);
}
if (isPending(state)) {
// Show user a loading icon...
show(loading);
}
if (isRejected(state)) {
// Show error message to user...
show(state.error.message);
}
}