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Showing content from https://github.com/sindresorhus/p-debounce below:

sindresorhus/p-debounce: Debounce promise-returning & async functions

Debounce promise-returning & async functions

import pDebounce from 'p-debounce';

const expensiveCall = async input => input;

const debouncedFunction = pDebounce(expensiveCall, 200);

for (const number of [1, 2, 3]) {
	(async () => {
		console.log(await debouncedFunction(number));
	})();
}
//=> 3
//=> 3
//=> 3

Returns a function that delays calling fn until after wait milliseconds have elapsed since the last time it was called.

Type: Function

Promise-returning/async function to debounce.

Type: number

Milliseconds to wait before calling fn.

Type: object

Type: boolean
Default: false

Call the fn on the leading edge of the timeout. Meaning immediately, instead of waiting for wait milliseconds.

Execute function_ unless a previous call is still pending, in which case, return the pending promise. Useful, for example, to avoid processing extra button clicks if the previous one is not complete.

Type: Function

Promise-returning/async function to debounce.

import {setTimeout as delay} from 'timers/promises';
import pDebounce from 'p-debounce';

const expensiveCall = async value => {
	await delay(200);
	return value;
}

const debouncedFunction = pDebounce.promise(expensiveCall);

for (const number of [1, 2, 3]) {
	(async () => {
		console.log(await debouncedFunction(number));
	})();
}
//=> 1
//=> 1
//=> 1

• p-throttle - Throttle promise-returning & async functions
• p-limit - Run multiple promise-returning & async functions with limited concurrency
• p-memoize - Memoize promise-returning & async functions
• debounce-fn - Debounce a function
• More…

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