happy-dom
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Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.
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JavaScript
import CSSStyleSheet from '../../css/CSSStyleSheet.js';
import * as PropertySymbol from '../../PropertySymbol.js';
import HTMLElement from '../html-element/HTMLElement.js';
/**
* HTML Style Element.
*
* Reference:
* https://developer.mozilla.org/en-US/docs/Web/API/HTMLStyleElement.
*/
export default class HTMLStyleElement extends HTMLElement {
[PropertySymbol.sheet] = null;
[PropertySymbol.styleNode] = this;
/**
* Returns CSS style sheet.
*
* @returns CSS style sheet.
*/
get sheet() {
return this[PropertySymbol.sheet] ? this[PropertySymbol.sheet] : null;
}
/**
* Returns media.
*
* @returns Media.
*/
get media() {
return this.getAttribute('media') || '';
}
/**
* Sets media.
*
* @param media Media.
*/
set media(media) {
this.setAttribute('media', media);
}
/**
* Returns type.
*
* @returns Type.
*/
get type() {
return this.getAttribute('type') || '';
}
/**
* Sets type.
*
* @param type Type.
*/
set type(type) {
this.setAttribute('type', type);
}
/**
* Returns disabled.
*
* @returns Disabled.
*/
get disabled() {
return this.getAttribute('disabled') !== null;
}
/**
* Sets disabled.
*
* @param disabled Disabled.
*/
set disabled(disabled) {
if (!disabled) {
this.removeAttribute('disabled');
}
else {
this.setAttribute('disabled', '');
}
}
/**
* @override
*/
[PropertySymbol.connectedToDocument]() {
super[PropertySymbol.connectedToDocument]();
this[PropertySymbol.sheet] = new CSSStyleSheet();
this[PropertySymbol.sheet].replaceSync(this.textContent);
}
/**
* @override
*/
[PropertySymbol.disconnectedFromDocument]() {
super[PropertySymbol.disconnectedFromDocument]();
this[PropertySymbol.sheet] = null;
}
/**
* Updates the CSSStyleSheet with the text content.
*/
[PropertySymbol.updateSheet]() {
if (this[PropertySymbol.sheet]) {
this[PropertySymbol.sheet].replaceSync(this.textContent);
}
}
}
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