@sentry/core/build/cjs/utils-hoist/instrument/globalUnhandledRejection.js

Base implementation for all Sentry JavaScript SDKs

Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });

const worldwide = require('../worldwide.js');
const handlers = require('./handlers.js');

let _oldOnUnhandledRejectionHandler = null;

/**
 * Add an instrumentation handler for when an unhandled promise rejection is captured.
 *
 * Use at your own risk, this might break without changelog notice, only used internally.
 * @hidden
 */
function addGlobalUnhandledRejectionInstrumentationHandler(
  handler,
) {
  const type = 'unhandledrejection';
  handlers.addHandler(type, handler);
  handlers.maybeInstrument(type, instrumentUnhandledRejection);
}

function instrumentUnhandledRejection() {
  _oldOnUnhandledRejectionHandler = worldwide.GLOBAL_OBJ.onunhandledrejection;

  // Note: The reason we are doing window.onunhandledrejection instead of window.addEventListener('unhandledrejection')
  // is that we are using this handler in the Loader Script, to handle buffered rejections consistently
  worldwide.GLOBAL_OBJ.onunhandledrejection = function (e) {
    const handlerData = e;
    handlers.triggerHandlers('unhandledrejection', handlerData);

    if (_oldOnUnhandledRejectionHandler) {
      // eslint-disable-next-line prefer-rest-params
      return _oldOnUnhandledRejectionHandler.apply(this, arguments);
    }

    return true;
  };

  worldwide.GLOBAL_OBJ.onunhandledrejection.__SENTRY_INSTRUMENTED__ = true;
}

exports.addGlobalUnhandledRejectionInstrumentationHandler = addGlobalUnhandledRejectionInstrumentationHandler;
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