feat(delay): Support AbortSignal to delay for improved cancellation

[Hanna922]

Hi👋🏻 I have added the functionality to support cancellation via AbortSignal to the delay, following the debounce.

While working on this, I had a question: Would it be better to create and use a common Error file, Like in undici?

Thank you.

Before

function delay(ms: number): Promise<void>

After

function delay(ms: number, { signal }: DelayOptions = {}): Promise<void>

[vercel]

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (50c3585) to head (0c79258).

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #52   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           46        47    +1     
  Lines          223       233   +10     
  Branches        22        25    +3     
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+ Hits           223       233   +10     

[raon0211]

👍

[raon0211]

As you mentioned, I think making a separate error file would be helpful.

The error's name property has to be AbortError when aborted. (This is a spec of fetch, but it would be better if we follow the spec also in delay.)

// error/AbortError.ts
export class AbortError extends Error {
  constructor (message: string = 'The operation was aborted') {
    super(message);
    this.name = 'AbortError';
  }
}

// function/delay.ts
import { AbortError } from '../../error/AbortError';

/* ... */
return reject(new AbortError());

[Hanna922]

@raon0211 I applied a separate error file. c4bbfc8
Thank you for your help 🙇🏻‍♀️

[raon0211]

Thanks for your great contribution!

[raon0211]

#37