tdesign-react/lib/tabs/TabBar.js

TDesign Component for React

/**
 * tdesign v1.15.1
 * (c) 2025 tdesign
 * @license MIT
 */

import { _ as _defineProperty } from '../_chunks/dep-cb0a3966.js';
import { _ as _slicedToArray } from '../_chunks/dep-48805ab8.js';
import React, { useState, useRef, useEffect } from 'react';
import classNames from 'classnames';
import useConfig from '../hooks/useConfig.js';
import useMutationObservable from '../hooks/useMutationObserver.js';
import useResizeObserver from '../hooks/useResizeObserver.js';
import '../_chunks/dep-eca3a3de.js';
import '../_chunks/dep-026a4c6b.js';
import '../config-provider/ConfigContext.js';
import 'lodash-es';
import '../_chunks/dep-f97636ce.js';
import '../_chunks/dep-9dbbf468.js';
import 'dayjs';
import '../hooks/useLatest.js';
import '../hooks/useLayoutEffect.js';
import '../_chunks/dep-3a09424a.js';

var TabBar = function TabBar(props) {
  var tabPosition = props.tabPosition,
    activeId = props.activeId,
    containerRef = props.containerRef,
    navsWrapRef = props.navsWrapRef;
  var _useConfig = useConfig(),
    classPrefix = _useConfig.classPrefix;
  var _useState = useState({}),
    _useState2 = _slicedToArray(_useState, 2),
    barStyle = _useState2[0],
    setBarStyle = _useState2[1];
  var tabsClassPrefix = "".concat(classPrefix, "-tabs");
  var currentActiveIdRef = useRef(activeId);
  useEffect(function () {
    currentActiveIdRef.current = activeId;
  }, [activeId]);
  var computeStyle = React.useCallback(function () {
    var isHorizontal = ["bottom", "top"].includes(tabPosition);
    var transformPosition = isHorizontal ? "translateX" : "translateY";
    var itemProp = isHorizontal ? "width" : "height";
    var barBorderProp = isHorizontal ? "width" : "height";
    var offset = 0;
    if (containerRef.current) {
      var _containerRef$current;
      var itemsRef = (_containerRef$current = containerRef.current) === null || _containerRef$current === void 0 ? void 0 : _containerRef$current.querySelectorAll(".".concat(tabsClassPrefix, "__nav-item"));
      if (itemsRef.length - 1 >= currentActiveIdRef.current) {
        itemsRef.forEach(function (item, itemIndex) {
          if (itemIndex < currentActiveIdRef.current) {
            offset += Number(getComputedStyle(item)[itemProp].replace("px", ""));
          }
        });
        var computedItem = itemsRef[currentActiveIdRef.current];
        if (!computedItem) {
          setBarStyle(_defineProperty({
            transform: "".concat(transformPosition, "(", 0, "px)")
          }, barBorderProp, 0));
          return;
        }
        var itemPropValue = getComputedStyle(computedItem)[itemProp];
        setBarStyle(_defineProperty({
          transform: "".concat(transformPosition, "(").concat(offset, "px)")
        }, barBorderProp, itemPropValue || 0));
      }
    }
  }, [currentActiveIdRef, containerRef, tabPosition, tabsClassPrefix]);
  useEffect(function () {
    if (containerRef.current) {
      setTimeout(function () {
        return computeStyle();
      });
    }
  }, [tabPosition, activeId, containerRef.current]);
  var handleMutationObserver = React.useCallback(function (mutations) {
    mutations.forEach(function (mutation) {
      if (mutation.type === "characterData") {
        computeStyle();
      }
    });
  }, [computeStyle]);
  useMutationObservable(containerRef.current, handleMutationObserver);
  useResizeObserver(navsWrapRef, computeStyle);
  return /* @__PURE__ */React.createElement("div", {
    className: classNames(_defineProperty(_defineProperty({}, "".concat(tabsClassPrefix, "__bar"), true), "".concat(classPrefix, "-is-").concat(tabPosition), true)),
    style: barStyle
  });
};
TabBar.displayName = "TabBar";

export { TabBar as default };
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