happy-dom-without-node
Version:
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.
102 lines • 5.12 kB
JavaScript
var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
if (kind === "m") throw new TypeError("Private method is not writable");
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var _HTMLLinkElementStyleSheetLoader_element, _HTMLLinkElementStyleSheetLoader_browserFrame, _HTMLLinkElementStyleSheetLoader_loadedStyleSheetURL;
import Event from '../../event/Event.js';
import * as PropertySymbol from '../../PropertySymbol.js';
import ResourceFetch from '../../fetch/ResourceFetch.js';
import CSSStyleSheet from '../../css/CSSStyleSheet.js';
import DOMException from '../../exception/DOMException.js';
import DOMExceptionNameEnum from '../../exception/DOMExceptionNameEnum.js';
import WindowErrorUtility from '../../window/WindowErrorUtility.js';
/**
* Helper class for getting the URL relative to a Location object.
*/
class HTMLLinkElementStyleSheetLoader {
/**
* Constructor.
*
* @param options Options.
* @param options.element Element.
* @param options.browserFrame Browser frame.
*/
constructor(options) {
_HTMLLinkElementStyleSheetLoader_element.set(this, void 0);
_HTMLLinkElementStyleSheetLoader_browserFrame.set(this, void 0);
_HTMLLinkElementStyleSheetLoader_loadedStyleSheetURL.set(this, null);
__classPrivateFieldSet(this, _HTMLLinkElementStyleSheetLoader_element, options.element, "f");
__classPrivateFieldSet(this, _HTMLLinkElementStyleSheetLoader_browserFrame, options.browserFrame, "f");
}
/**
* Returns a URL relative to the given Location object.
*
* @param url URL.
* @param rel Rel.
*/
async loadStyleSheet(url, rel) {
const element = __classPrivateFieldGet(this, _HTMLLinkElementStyleSheetLoader_element, "f");
const browserSettings = __classPrivateFieldGet(this, _HTMLLinkElementStyleSheetLoader_browserFrame, "f").page.context.browser.settings;
const window = element[PropertySymbol.ownerDocument][PropertySymbol.ownerWindow];
if (!url ||
!rel ||
rel.toLowerCase() !== 'stylesheet' ||
!element[PropertySymbol.isConnected]) {
return;
}
let absoluteURL;
try {
absoluteURL = new URL(url, window.location.href).href;
}
catch (error) {
return;
}
if (__classPrivateFieldGet(this, _HTMLLinkElementStyleSheetLoader_loadedStyleSheetURL, "f") === absoluteURL) {
return;
}
if (browserSettings.disableCSSFileLoading) {
if (browserSettings.handleDisabledFileLoadingAsSuccess) {
element.dispatchEvent(new Event('load'));
}
else {
WindowErrorUtility.dispatchError(element, new DOMException(`Failed to load external stylesheet "${absoluteURL}". CSS file loading is disabled.`, DOMExceptionNameEnum.notSupportedError));
}
return;
}
const resourceFetch = new ResourceFetch({
browserFrame: __classPrivateFieldGet(this, _HTMLLinkElementStyleSheetLoader_browserFrame, "f"),
window: window
});
const readyStateManager = window[PropertySymbol.readyStateManager];
__classPrivateFieldSet(this, _HTMLLinkElementStyleSheetLoader_loadedStyleSheetURL, absoluteURL, "f");
readyStateManager.startTask();
let code = null;
let error = null;
try {
code = await resourceFetch.fetch(absoluteURL);
}
catch (e) {
error = e;
}
readyStateManager.endTask();
if (error) {
WindowErrorUtility.dispatchError(element, error);
}
else {
const styleSheet = new CSSStyleSheet();
styleSheet.replaceSync(code);
element[PropertySymbol.sheet] = styleSheet;
element.dispatchEvent(new Event('load'));
}
}
}
_HTMLLinkElementStyleSheetLoader_element = new WeakMap(), _HTMLLinkElementStyleSheetLoader_browserFrame = new WeakMap(), _HTMLLinkElementStyleSheetLoader_loadedStyleSheetURL = new WeakMap();
export default HTMLLinkElementStyleSheetLoader;
//# sourceMappingURL=HTMLLinkElementStyleSheetLoader.js.map