datasource.mjs

/**
 * Copyright schukai GmbH and contributors 2023. All Rights Reserved.
 * Node module: @schukai/monster
 * This file is licensed under the AGPLv3 License.
 * License text available at https://www.gnu.org/licenses/agpl-3.0.en.html
 */

import { addAttributeToken } from "../../../dom/attributes.mjs";
import { ATTRIBUTE_ERRORMESSAGE } from "../../../dom/constants.mjs";

export { DatasourceStyleSheet };

/**
 * @private
 * @type {CSSStyleSheet}
 */
const DatasourceStyleSheet = new CSSStyleSheet();

try {
	DatasourceStyleSheet.insertRule(
		`
@layer datasource { 
:host{display:none}:host(.intersection-observer){display:block;height:1px;overflow:hidden;width:1px} 
}`,
		0,
	);
} catch (e) {
	addAttributeToken(
		document.getRootNode().querySelector("html"),
		ATTRIBUTE_ERRORMESSAGE,
		e + "",
	);
}