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@particle/await-on

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@particle/await-on

really simple error handling with await/async

1.0.1
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😪 @particle/await-on

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Really simple error handling with await/async

Forked from await-on by Jason Yung, itself inspired by await-to-js whose creator Dima Grossman originally blogged about using destructuring array assignment

Quick Usage

This package provides a helper for destructuring the results of a Promise:

const on = require('@particle/await-on');

const fetchData = () => new Promise(/*...*/);

const [err, data] = await on(fetchData());
if(err) {
	res.send(err);
} else {
	res.send(data);
}

The goal is to avoid the built-in approach using the try/catch block pattern:

try {
	const data = await fetchData();
	res.send(data);
} catch(err) {
	res.send(err);
}

Type fuzziness

Non-promises will passthrough same as the behavior of the native await

const [err, answer] = await on(42); //not a promise but ok no big deal
console.log(answer) //> 42

License

MIT License. See License in the repository.

Keywords

await

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Package last updated on 17 May 2019

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