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Wrong typings for multiple XMLHttpRequestEventTarget Events #19830
Description
TypeScript Version: 2.6.1
From WHATWG, most of the XMLHttpRequest events' payloads have the ProgressEvent interface:
https://xhr.spec.whatwg.org/#event-xhr-loadstart
From Typescript typings, payloads of onload, onabort and onloadstart are just Event instead.
From this same specification, onerror should also give us a Progress event. For now, we have an ErrorEvent instead, Exact same problem with the XMLHttpRequestEventTargetEventMap.
Is it done on purpose?
Activity
[-]Wrong typings for multiple XMLHttpRequestEventTarget callbacks[/-][+]Wrong typings for multiple XMLHttpRequestEventTarget Events[/+]mhegazy commentedon Nov 8, 2017
Looks like a regression from #8691 (was fixed in microsoft/TypeScript-DOM-lib-generator#144).
mhegazy commentedon Nov 8, 2017
PRs welcomed. You can find more information about contributing lib.d.ts fixes at https://github.com/Microsoft/TypeScript/blob/master/CONTRIBUTING.md#contributing-libdts-fixes.