Object.defineProperty(exports, '__esModule', { value: true });

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

let _oldOnErrorHandler = null;

/**
 * Add an instrumentation handler for when an error is captured by the global error handler.
 *
 * Use at your own risk, this might break without changelog notice, only used internally.
 * @hidden
 */
function addGlobalErrorInstrumentationHandler(handler) {
  const type = 'error';
  _handlers.addHandler(type, handler);
  _handlers.maybeInstrument(type, instrumentError);
}

function instrumentError() {
  _oldOnErrorHandler = worldwide.GLOBAL_OBJ.onerror;

  worldwide.GLOBAL_OBJ.onerror = function (
    msg,
    url,
    line,
    column,
    error,
  ) {
    const handlerData = {
      column,
      error,
      line,
      msg,
      url,
    };
    _handlers.triggerHandlers('error', handlerData);

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

    return false;
  };

  worldwide.GLOBAL_OBJ.onerror.__SENTRY_INSTRUMENTED__ = true;
}

exports.addGlobalErrorInstrumentationHandler = addGlobalErrorInstrumentationHandler;
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