simplebar/src/helpers.js

// Helper function to retrieve options from element attributes
export const getOptions = function(obj) {
  const options = Array.prototype.reduce.call(
    obj,
    (acc, attribute) => {
      const option = attribute.name.match(/data-simplebar-(.+)/);
      if (option) {
        const key = option[1].replace(/\W+(.)/g, (x, chr) => chr.toUpperCase());
        switch (attribute.value) {
          case 'true':
            acc[key] = true;
            break;
          case 'false':
            acc[key] = false;
            break;
          case undefined:
            acc[key] = true;
            break;
          default:
            acc[key] = attribute.value;
        }
      }
      return acc;
    },
    {}
  );
  return options;
};

export function getElementWindow(element) {
  if (
    !element ||
    !element.ownerDocument ||
    !element.ownerDocument.defaultView
  ) {
    return window;
  }
  return element.ownerDocument.defaultView;
}

export function getElementDocument(element) {
  if (!element || !element.ownerDocument) {
    return document;
  }
  return element.ownerDocument;
}