happy-dom
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.
191 lines • 6.41 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 EventTarget_js_1 = __importDefault(require("../event/EventTarget.cjs"));
const PropertySymbol = __importStar(require("../PropertySymbol.cjs"));
const Event_js_1 = __importDefault(require("../event/Event.cjs"));
const DOMExceptionNameEnum_js_1 = __importDefault(require("../exception/DOMExceptionNameEnum.cjs"));
/**
* AbortSignal.
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal
*/
class AbortSignal extends EventTarget_js_1.default {
// Internal properties
[PropertySymbol.aborted] = false;
[PropertySymbol.reason] = undefined;
// Events
onabort = null;
/**
* Constructor.
*/
constructor() {
super();
if (!this[PropertySymbol.window]) {
throw new TypeError(`Failed to construct 'AbortSignal': Illegal constructor`);
}
}
/**
* Return a default description for the AbortSignal class.
*/
get [Symbol.toStringTag]() {
return 'AbortSignal';
}
/**
* Returns true if the signal has been aborted.
*
* @returns True if the signal has been aborted.
*/
get aborted() {
return this[PropertySymbol.aborted];
}
/**
* Setter for aborted. Value will be ignored as the property is read-only.
*
* @param _value Aborted.
*/
set aborted(_value) {
// Do nothing
}
/**
* Returns the reason the signal was aborted.
*
* @returns Reason.
*/
get reason() {
return this[PropertySymbol.reason];
}
/**
* Setter for reason. Value will be ignored as the property is read-only.
*
* @param _value Reason.
*/
set reason(_value) {
// Do nothing
}
/**
* Aborts the signal.
*
* @param [reason] Reason.
*/
[PropertySymbol.abort](reason) {
if (this.aborted) {
return;
}
this[PropertySymbol.reason] =
reason !== undefined
? reason
: new this[PropertySymbol.window].DOMException('signal is aborted without reason', DOMExceptionNameEnum_js_1.default.abortError);
this[PropertySymbol.aborted] = true;
this.dispatchEvent(new Event_js_1.default('abort'));
}
/**
* Throws an "AbortError" if the signal has been aborted.
*/
throwIfAborted() {
if (this.aborted) {
throw this.reason;
}
}
/**
* Returns an AbortSignal instance that has been set as aborted.
*
* @param [reason] Reason.
* @returns AbortSignal instance.
*/
static abort(reason) {
const signal = new this();
signal[PropertySymbol.reason] =
reason !== undefined
? reason
: new this[PropertySymbol.window].DOMException('signal is aborted without reason', DOMExceptionNameEnum_js_1.default.abortError);
signal[PropertySymbol.aborted] = true;
return signal;
}
/**
* Returns an AbortSignal that will automatically abort after a specified
* time.
*
* @param [time] Time in milliseconds.
* @returns AbortSignal instance.
*/
static timeout(time) {
const window = this[PropertySymbol.window];
const signal = new this();
window.setTimeout(() => {
signal[PropertySymbol.abort](new window.DOMException('signal timed out', DOMExceptionNameEnum_js_1.default.timeoutError));
}, time);
return signal;
}
/**
* Takes an iterable of abort signals and returns an AbortSignal that is
* aborted when any of the input iterable abort signals are aborted.
*
* The abort reason will be set to the reason of the first signal that is
* aborted. If any of the given abort signals are already aborted then so will
* be the returned AbortSignal.
*
* @param [signals] Iterable of abort signals.
* @returns AbortSignal instance.
*/
static any(signals) {
for (const signal of signals) {
if (signal[PropertySymbol.aborted]) {
return this.abort(signal[PropertySymbol.reason]);
}
}
const anySignal = new this();
const handlers = new Map();
const stopListening = () => {
for (const signal of signals) {
signal.removeEventListener('abort', handlers.get(signal));
}
};
for (const signal of signals) {
const handler = () => {
stopListening();
anySignal[PropertySymbol.abort](signal[PropertySymbol.reason]);
};
handlers.set(signal, handler);
signal.addEventListener('abort', handler);
}
return anySignal;
}
}
exports.default = AbortSignal;
//# sourceMappingURL=AbortSignal.cjs.map