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.
104 lines • 4.26 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const BrowserErrorCaptureEnum_js_1 = __importDefault(require("../../browser/enums/BrowserErrorCaptureEnum.cjs"));
const WindowBrowserContext_js_1 = __importDefault(require("../../window/WindowBrowserContext.cjs"));
const PropertySymbol = __importStar(require("../../PropertySymbol.cjs"));
/**
* ECMAScript module compiler.
*/
class ElementEventAttributeUtility {
/**
* Evaluates code in attribute and returns event listener.
*
* @param element
* @param property Property.
* @returns Result.
*/
static getEventListener(element, property) {
const cached = element[PropertySymbol.propertyEventListeners].get(property);
if (cached) {
return cached;
}
const window = element[PropertySymbol.ownerDocument][PropertySymbol.defaultView];
const browserSettings = new WindowBrowserContext_js_1.default(window).getSettings();
if (!browserSettings) {
return null;
}
const code = element.getAttribute(property);
if (!code) {
return null;
}
let newCode = `(function anonymous($happy_dom, event) {\n//# sourceURL=${window.location.href}\n`;
if (browserSettings &&
!browserSettings.disableErrorCapturing &&
browserSettings.errorCapture === BrowserErrorCaptureEnum_js_1.default.tryAndCatch) {
newCode += 'try {\n';
}
newCode += code;
if (browserSettings &&
!browserSettings.disableErrorCapturing &&
browserSettings.errorCapture === BrowserErrorCaptureEnum_js_1.default.tryAndCatch) {
newCode += '\n} catch(e) { $happy_dom.dispatchError(e); }\n';
}
newCode += '})';
let listener = null;
try {
listener = window.eval(newCode).bind(element, {
dispatchError: window[PropertySymbol.dispatchError]
});
}
catch (e) {
const error = new window.SyntaxError(`Failed to read the '${property}' property from '${element.constructor.name}': ${e.message}`);
if (browserSettings.disableErrorCapturing ||
browserSettings.errorCapture !== BrowserErrorCaptureEnum_js_1.default.tryAndCatch) {
throw error;
}
else {
window[PropertySymbol.dispatchError](error);
return null;
}
}
if (listener) {
element[PropertySymbol.propertyEventListeners].set(property, listener);
}
return listener;
}
}
exports.default = ElementEventAttributeUtility;
//# sourceMappingURL=ElementEventAttributeUtility.cjs.map