Files
ms/packages/websocket/src/engine.io-client/contrib/has-cors.ts
2022-11-21 23:18:39 +08:00

13 lines
326 B
TypeScript

// imported from https://github.com/component/has-cors
let value = false;
try {
value = typeof XMLHttpRequest !== 'undefined' &&
'withCredentials' in new XMLHttpRequest();
} catch (err) {
// if XMLHttp support is disabled in IE then it will throw
// when trying to create
}
export const hasCORS = value;