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await-to-js

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await-to-js

Async/await wrapper for easy error handling in js

  • 1.0.1
  • Source
  • npm
  • Socket score

Version published
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458K
decreased by-14.21%
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What is await-to-js?

The await-to-js npm package is a utility that simplifies error handling in asynchronous JavaScript code. It allows developers to handle errors in a more readable and concise manner by using a tuple pattern with async/await syntax.

What are await-to-js's main functionalities?

Error Handling with Async/Await

This feature allows you to handle errors in asynchronous functions without using try/catch blocks. The `to` function returns a tuple where the first element is the error (if any) and the second element is the resolved value.

const to = require('await-to-js').default;

async function fetchData() {
  const [err, data] = await to(fetch('https://api.example.com/data'));
  if (err) {
    console.error('Error fetching data:', err);
    return;
  }
  console.log('Data:', data);
}

fetchData();

Custom Error Handling

This feature allows you to implement custom error handling logic by checking the error returned in the tuple and passing it to a custom error handler function.

const to = require('await-to-js').default;

async function fetchData() {
  const [err, data] = await to(fetch('https://api.example.com/data'));
  if (err) {
    handleCustomError(err);
    return;
  }
  console.log('Data:', data);
}

function handleCustomError(err) {
  // Custom error handling logic
  console.error('Custom Error Handler:', err);
}

fetchData();

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Package last updated on 07 Jan 2017

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