Simple WaitForKeyElement

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Simple WaitForKeyElement

Library that Exports my simplified vanilla JS version of WaitForKeyElement, which is a simple async function that returns a Promise that resolves to an element by a given selector, when that element is found

Verzia zo dňa 07.10.2024. Pozri najnovšiu verziu.

Tento skript by nemal byť nainštalovaný priamo. Je to knižnica pre ďalšie skripty, ktorú by mali používať cez meta príkaz // @require https://update.greasyforks.org/scripts/511024/1460585/Simple%20WaitForKeyElement.js

Spýtať sa otázku, uverejniť recenziu, alebo nahlásiť skript.

Zalomiť riadky

// ==UserScript==
// @name        Simple WaitForKeyElement
// @license     Unlicense
// @namespace   1N07
// @match       *://*/*
// @version     1.0.1
// @author      1N07
// @description Library that Exports my simplified vanilla JS version of WaitForKeyElement, which is a simple async function that returns a Promise that resolves to an element by a given selector, when that element is found
// ==/UserScript==

async function WaitForKeyElement(selector, timeout) {
	return new Promise((resolve, reject) => {
		let el = document.querySelector(selector);
		if (el) {
			resolve(el);
			return;
		}
		new MutationObserver((mutationRecords, observer) => {
			el = document.querySelector(selector);
			if (el) {
				resolve(el);
				observer.disconnect();
			}
		}).observe(document.documentElement, { childList: true, subtree: true });
		if (timeout) {
			setTimeout(() => {
				reject(`WaitForKeyElement: "${selector}" timed out`);
			}, timeout);
		}
	});
}