awesome-only-resolves-last-promise's Introduction

awesome-only-resolves-last-promise

Install

npm install --save awesome-only-resolves-last-promise
// or
yarn add awesome-only-resolves-last-promise

Features

Wraps an existing async function
When calling the wrapped function multiple times consecutively, only the last returned promise will resolve and formerly returned promises will be cancelled (they won't resolve nor reject)

Usage

import { onlyResolvesLast } from 'awesome-only-resolves-last-promise';

const asyncFunction = async (arg: number, arg2: string) => {
  await delay(100);
  return `val ${arg} ${arg2}`;
};

const wrappedAsyncFunction = onlyResolvesLast(asyncFunction);

const promise1 = wrappedAsyncFunction(1, '1');
const promise2 = wrappedAsyncFunction(2, '2');
const promise3 = wrappedAsyncFunction(3, '3');

// promise1 and promise2 will never resolve/reject
// promise3 will resolve in 100ms

Useful as an implementation detail of awesome-debounce-promise.

License

MIT © slorber

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awesome-only-resolves-last-promise's Issues

index.d.ts missing

In a Next.js project I am working on, the jsconfig.json file is reporting the error below. Suspect it may that I am using a newer version of typescript? At any rate, it seems to be expecting the declaration of the types.

File 'c:/Users/mando/Projects/github.com/unfoldingWord/gateway-admin/node_modules/awesome-only-resolves-last-promise/dist/index.d.js' not found.
  The file is in the program because:
    Root file specified for compilation

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