@sentry/core/build/esm/instrument/globalUnhandledRejection.js

Base implementation for all Sentry JavaScript SDKs

import { GLOBAL_OBJ } from '../utils/worldwide.js';
import { addHandler, maybeInstrument, triggerHandlers } from './handlers.js';

let _oldOnUnhandledRejectionHandler = null;
function addGlobalUnhandledRejectionInstrumentationHandler(handler) {
  const type = "unhandledrejection";
  addHandler(type, handler);
  maybeInstrument(type, instrumentUnhandledRejection);
}
function instrumentUnhandledRejection() {
  _oldOnUnhandledRejectionHandler = GLOBAL_OBJ.onunhandledrejection;
  GLOBAL_OBJ.onunhandledrejection = function(e) {
    const handlerData = e;
    triggerHandlers("unhandledrejection", handlerData);
    if (_oldOnUnhandledRejectionHandler) {
      return _oldOnUnhandledRejectionHandler.apply(this, arguments);
    }
    return true;
  };
  GLOBAL_OBJ.onunhandledrejection.__SENTRY_INSTRUMENTED__ = true;
}

export { addGlobalUnhandledRejectionInstrumentationHandler };
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