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1import { Event, EventTarget } from "event-target-shim";
2import { install as installRNQC } from "react-native-quick-crypto";
3
4// Polyfill for the `throwIfAborted` method of the AbortController
5// used in @atproto/oauth-client
6import "abortcontroller-polyfill/dist/polyfill-patch-fetch";
7
8// Polyfill for jose. It tries to detect whether it's been passed a CryptoKey
9// instance, and isn't willing to accept RNQC's equivalent. So, this ensures that
10// `key instanceof CryptoKey` will always be true.
11// @ts-ignore
12global.CryptoKey = Object;
13
14// This is needed to populate the `crypto` global for jose's export here
15// https://github.com/panva/jose/blob/1e8b430b08a18a18883a69e7991832c9c602ca1a/src/runtime/browser/webcrypto.ts#L1
16installRNQC();
17
18// These two are needed for @atproto/oauth-client's `CustomEventTarget` to work.
19// @ts-ignore
20global.EventTarget = EventTarget;
21// @ts-ignore
22global.Event = Event;
23
24// And finally, this happens on React Native with every possible input:
25// URL.canParse("http://example.com") => false
26// I do not know why. Used in @atproto/oauth and @atproto/common-web
27if (!URL.canParse("http://example.com")) {
28 URL.canParse = (url: string | URL, base?: string) => {
29 try {
30 new URL(url, base);
31 return true;
32 } catch (e) {
33 return false;
34 }
35 };
36}