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abortcontroller-polyfill

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abortcontroller-polyfill

Polyfill/ponyfill for the AbortController DOM API + optional patching of fetch (stub that calls catch, doesn't actually abort request).


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What is abortcontroller-polyfill?

The abortcontroller-polyfill package provides a polyfill for the AbortController interface, which allows you to abort one or more Web requests as and when desired. This is particularly useful for canceling fetch requests in environments where the AbortController API is not natively supported, such as older browsers.

What are abortcontroller-polyfill's main functionalities?

Aborting a fetch request

This code demonstrates how to use abortcontroller-polyfill to abort a fetch request. An instance of AbortController is created, and its signal is passed to the fetch request. Calling `abort` on the controller instance will cancel the request.

const { AbortController } = require('abortcontroller-polyfill/dist/cjs-ponyfill');
let controller = new AbortController();
let signal = controller.signal;

fetch('https://example.com', { signal })
  .then(response => console.log(response))
  .catch(err => console.error(err));

// Abort the request
ccontroller.abort();

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Package last updated on 08 Oct 2022

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