@salesforce/design-system-react/module/utilities/event.js

Salesforce Lightning Design System for React

/* Copyright (c) 2015-present, salesforce.com, inc. All rights reserved */

/* Licensed under BSD 3-Clause - see LICENSE.txt or git.io/sfdc-license */
var EventUtil = {
  trapEvent: function trapEvent(event) {
    if (!event) return;
    event.preventDefault();
    event.stopPropagation();

    if (event.nativeEvent && event.nativeEvent.preventDefault) {
      event.nativeEvent.preventDefault();
    }

    if (event.nativeEvent && event.nativeEvent.stopPropagation) {
      event.nativeEvent.stopPropagation();
    }
  },
  trap: function trap(event) {
    return EventUtil.trapEvent(event);
  },
  trapImmediate: function trapImmediate(event) {
    if (event.stopImmediatePropagation) {
      event.stopImmediatePropagation();
    }

    if (event.nativeEvent && event.nativeEvent.stopImmediatePropagation) {
      event.nativeEvent.stopImmediatePropagation();
    }

    EventUtil.trap(event);
  },
  trappedHandler: function trappedHandler(handler) {
    return function (event) {
      EventUtil.trap(event);

      if (handler) {
        handler(event);
      }
    };
  }
};
export default EventUtil;
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