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html-utils.ts
31 lines (29 loc) · 1.45 KB
/
html-utils.ts
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/********************************************************************************
* Copyright (c) 2019-2023 EclipseSource and others.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the Eclipse
* Public License v. 2.0 are satisfied: GNU General Public License, version 2
* with the GNU Classpath Exception which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
********************************************************************************/
import { AnyObject, hasNumberProp } from '@eclipse-glsp/sprotty';
export function createElementFromHTML(html: string): HTMLElement | undefined {
const template = document.createElement('template');
html = html.trim(); // Never return a text node of whitespace as the result
template.innerHTML = html;
const node = template.content.firstChild;
if (node && node instanceof HTMLElement) {
return node as HTMLElement;
}
return undefined;
}
export function isMouseEvent(object: unknown): object is MouseEvent {
return AnyObject.is(object) && hasNumberProp(object, 'pageX') && hasNumberProp(object, 'pageY');
}