@dnb/eufemia/cjs/fragments/scroll-view/ScrollView.js

DNB Eufemia Design System UI Library

"use strict";
"use client";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _react = require("react");
var _clsx = _interopRequireDefault(require("clsx"));
var _componentHelper = require("../../shared/component-helper.js");
var _Context = _interopRequireDefault(require("../../shared/Context.js"));
var _SpacingUtils = require("../../components/space/SpacingUtils.js");
var _useIsomorphicLayoutEffect = require("../../shared/helpers/useIsomorphicLayoutEffect.js");
var _useCombinedRef = _interopRequireDefault(require("../../shared/helpers/useCombinedRef.js"));
var _withComponentMarkers = _interopRequireDefault(require("../../shared/helpers/withComponentMarkers.js"));
var _jsxRuntime = require("react/jsx-runtime");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function ScrollView(localProps) {
  const context = (0, _react.useContext)(_Context.default);
  const props = (0, _componentHelper.extendPropsWithContext)(localProps, {}, context.ScrollView);
  const {
    interactive,
    scrollbarGutter,
    children,
    className = null,
    ref: refProp,
    ...attributes
  } = props;
  const mainParams = (0, _SpacingUtils.useSpacing)(props, {
    ...attributes,
    className: (0, _clsx.default)('dnb-scroll-view', className, scrollbarGutter === 'stable' && 'dnb-scroll-view--scrollbar-gutter-stable')
  });
  const localRef = (0, _react.useRef)(undefined);
  const combinedRef = (0, _useCombinedRef.default)(refProp, localRef);
  mainParams.ref = combinedRef;
  mainParams.tabIndex = useInteractive({
    interactive,
    children,
    ref: localRef
  });
  (0, _componentHelper.validateDOMAttributes)(props, mainParams);
  return (0, _jsxRuntime.jsx)("div", {
    ...mainParams,
    children: children
  });
}
function useInteractive({
  interactive,
  children,
  ref
}) {
  const [isInteractive, setAsInteractive] = (0, _react.useState)(Boolean(interactive));
  (0, _useIsomorphicLayoutEffect.useIsomorphicLayoutEffect)(() => {
    if (interactive === 'auto') {
      setAsInteractive(hasScrollbar());
    }
  }, [interactive, children]);
  (0, _useIsomorphicLayoutEffect.useIsomorphicLayoutEffect)(() => {
    if (interactive === 'auto' && typeof ResizeObserver !== 'undefined') {
      const observer = new ResizeObserver(() => {
        setAsInteractive(hasScrollbar());
      });
      observer.observe(ref.current);
      return () => observer === null || observer === void 0 ? void 0 : observer.disconnect();
    }
    return undefined;
  }, [interactive, ref]);
  if (isInteractive) {
    return 0;
  }
  return undefined;
  function hasScrollbar() {
    if (!ref.current) {
      return true;
    }
    return ref.current.scrollWidth - 1 > ref.current.offsetWidth || ref.current.scrollHeight - 1 > ref.current.offsetHeight;
  }
}
(0, _withComponentMarkers.default)(ScrollView, {
  _supportsSpacingProps: true
});
var _default = exports.default = ScrollView;
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