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@smithy/abort-controller

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@smithy/abort-controller

A simple abort controller library

  • 3.1.9
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  • npm
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increased by17.24%
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What is @smithy/abort-controller?

@smithy/abort-controller is a package that provides an implementation of the AbortController interface, which is used to signal that an operation should be aborted. This is particularly useful for managing and controlling asynchronous operations, such as HTTP requests, in a more efficient manner.

What are @smithy/abort-controller's main functionalities?

Creating an AbortController

This feature allows you to create an instance of AbortController and obtain its associated signal. The signal can then be passed to any operation that supports aborting.

const { AbortController } = require('@smithy/abort-controller');
const controller = new AbortController();
const signal = controller.signal;

Aborting an Operation

This feature demonstrates how to use the AbortController to abort an ongoing asynchronous operation. The operation checks if the signal is aborted and listens for the abort event to handle the abortion.

const { AbortController } = require('@smithy/abort-controller');
const controller = new AbortController();
const signal = controller.signal;

// Simulate an asynchronous operation
const fetchData = (signal) => {
  return new Promise((resolve, reject) => {
    if (signal.aborted) {
      return reject(new Error('Operation aborted'));
    }
    setTimeout(() => resolve('Data fetched'), 1000);
    signal.addEventListener('abort', () => reject(new Error('Operation aborted')));
  });
};

fetchData(signal).catch(err => console.error(err.message));

// Abort the operation after 500ms
setTimeout(() => controller.abort(), 500);

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Package last updated on 09 Dec 2024

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