import ProgressEvent from '../event/events/ProgressEvent.js'; import EventTarget from '../event/EventTarget.js'; export type ProgressEventListener = (event: ProgressEvent) => void; /** * References: https://xhr.spec.whatwg.org/#xmlhttprequesteventtarget. */ export default class XMLHttpRequestEventTarget extends EventTarget { public onloadstart: ProgressEventListener | null = null; public onprogress: ProgressEventListener | null = null; public onabort: (event: ProgressEvent) => void | null = null; public onerror: ProgressEventListener | null = null; public onload: ProgressEventListener | null = null; public ontimeout: ProgressEventListener | null = null; public onloadend: ProgressEventListener | null = null; }