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@pushrocks/smartpromise
Advanced tools
simple promises and Deferred constructs
Use TypeScript for best in class instellisense.
Note: smartq uses native ES6 promises smartq does not repeat any native functions, so for things like .all() simply use Promise.all()
import * as q from '@pushrocks/smartpromise';
// Deferred
// -----------------------------------------------
let myAsyncFunction = (): Promise<string> => {
let done = q.defer<string>(); // returns your typical Deferred object
setTimeout(() => {
done.resolve('hi'); // will throw type error for other types than string as argument ;)
}, 6000);
console.log(done.status); // logs "pending";
done.promise.then(() => {
console.log(done.status); // logs "fullfilled"
console.log(done.duration); // logs the milliseconds between instantiation and fullfillment
});
return done.promise;
};
let myAsyncFunction2 = async () => {
let aString = await myAsyncFunction();
console.log(aString); // will log 'hi' to console
};
myAsyncFunction2();
// Resolved and Rejected promises
// ------------------------------------------------
q.resolvedPromise(`I'll get logged to console soon`).then((x) => {
console.log(x);
});
q.rejectedPromise(`what a lovely error message`)
.then(
() => {
console.log('This never makes it to console');
} /*, alternatively put a reject function here */
)
.catch((err) => {
console.log(err);
});
// Promisify (typed)
// ------------------------------------------------
let myCallbackedFunction = (someString: string, someNumber: number, cb) => {
cb(null, someString);
};
let myPromisedFunction = q.promisify(myCallbackFunction);
myPromisedFunction('helloThere', 2).then((x) => {
console.log(x); // will log 'helloThere' to console
});
We are always happy for code contributions. If you are not the code contributing type that is ok. Still, maintaining Open Source repositories takes considerable time and thought. If you like the quality of what we do and our modules are useful to you we would appreciate a little monthly contribution: You can contribute one time or contribute monthly. :)
For further information read the linked docs at the top of this readme.
MIT licensed | © Lossless GmbH | By using this npm module you agree to our privacy policy
FAQs
simple promises and Deferred constructs
We found that @pushrocks/smartpromise demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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