@mui/material/Tabs/ScrollbarSize.js

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

"use strict";
'use client';

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = ScrollbarSize;
var React = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _debounce = _interopRequireDefault(require("../utils/debounce"));
var _utils = require("../utils");
var _jsxRuntime = require("react/jsx-runtime");
const styles = {
  width: 99,
  height: 99,
  position: 'absolute',
  top: -9999,
  overflow: 'scroll'
};

/**
 * @ignore - internal component.
 * The component originates from https://github.com/STORIS/react-scrollbar-size.
 * It has been moved into the core in order to minimize the bundle size.
 */
function ScrollbarSize(props) {
  const {
    onChange,
    ...other
  } = props;
  const scrollbarHeight = React.useRef();
  const nodeRef = React.useRef(null);
  const setMeasurements = () => {
    scrollbarHeight.current = nodeRef.current.offsetHeight - nodeRef.current.clientHeight;
  };
  (0, _utils.unstable_useEnhancedEffect)(() => {
    const handleResize = (0, _debounce.default)(() => {
      const prevHeight = scrollbarHeight.current;
      setMeasurements();
      if (prevHeight !== scrollbarHeight.current) {
        onChange(scrollbarHeight.current);
      }
    });
    const containerWindow = (0, _utils.ownerWindow)(nodeRef.current);
    containerWindow.addEventListener('resize', handleResize);
    return () => {
      handleResize.clear();
      containerWindow.removeEventListener('resize', handleResize);
    };
  }, [onChange]);
  React.useEffect(() => {
    setMeasurements();
    onChange(scrollbarHeight.current);
  }, [onChange]);
  return /*#__PURE__*/(0, _jsxRuntime.jsx)("div", {
    style: styles,
    ...other,
    ref: nodeRef
  });
}
process.env.NODE_ENV !== "production" ? ScrollbarSize.propTypes = {
  onChange: _propTypes.default.func.isRequired
} : void 0;