ENSShared

Shared code for my scripts

Tento skript by neměl být instalován přímo. Jedná se o knihovnu, kterou by měly jiné skripty využívat pomocí meta příkazu // @require https://update.greasyfork.org/scripts/446540/1061588/ENSShared.js

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

const c = document.createElement("canvas");
const ctx = c.getContext("2d");

const imageToBlob = (imageURL) => {
	const img = new Image;
	img.crossOrigin = "";
	img.src = imageURL;
	return new Promise(resolve => {
		img.onload = function () {
			c.width = this.naturalWidth;
			c.height = this.naturalHeight;
			ctx.drawImage(this, 0, 0);
			c.toBlob((blob) => {
				resolve(blob)
			}, "image/png", 0.75);
		};
	})
}

const toggleAttribute = (elem, attr, val) => {
	const tgattr = (elem, attr, val) => {
		if (elem.hasAttribute(attr)) {
			let atrval = elem.getAttribute(attr);
			if (atrval.includes(val)) {
				let rep = atrval.replace(val, '');
				!rep.length ? elem.removeAttribute(attr) : elem.setAttribute(attr, rep);
			} else elem.setAttribute(attr, elem.getAttribute(attr) + val);
		} else elem.setAttribute(attr, val);
	}

	if (elem instanceof Array) {
		for (let key in elem) {
			tgattr(elem[key], attr, val);
		}
	} else tgattr(elem, attr, val);
}

const awaitSelector = (selector) => {
	return new Promise((resolve) => {
		const nodes = [];
		setInterval(() => {
			if (nodes.length !== 0) {
				clearInterval(tm);
				resolve(nodes);
			}
			nodes.splice(nodes.length, 0, ...document.querySelectorAll(selector));
		}, 100);
	});
}