54 lines
1.5 KiB
TypeScript
54 lines
1.5 KiB
TypeScript
import * as smartpromise from '../ts/index.js';
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// using Deferreds
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// simple deferred;
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const done = smartpromise.defer();
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done.promise.then((stringArg) => {
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console.log(stringArg);
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});
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done.resolve('hello'); // whenever you are ready
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// using deferreds in async functions to cater callback style apis
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const myAsyncFunction = async (): Promise<string> => {
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const done = smartpromise.defer<string>(); // returns your typical Deferred object
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setTimeout(() => {
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done.resolve('hi'); // will throw type error for other types than string as argument ;)
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}, 6000);
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console.log(done.status); // logs "pending";
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await done.promise;
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console.log(done.status); // logs "fullfilled"
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console.log(done.duration); // outputs the duration in millisenconds
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return done.promise;
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};
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let myAsyncFunction2 = async () => {
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let aString = await myAsyncFunction();
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console.log(aString); // will log 'hi' to console
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};
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myAsyncFunction2();
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// Resolved and Rejected promises
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// ------------------------------------------------
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smartpromise.resolvedPromise(`I'll get logged to console soon`).then((x) => {
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console.log(x);
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});
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smartpromise
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.rejectedPromise(`what a lovely error message`)
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.then(
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() => {
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console.log('This never makes it to console');
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} /*, alternatively put a reject function here */
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)
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.catch((err) => {
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console.log(err);
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});
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import { tap, expect } from '@push.rocks/tapbundle';
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tap.test('runs through', async () => {});
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export default tap.start();
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