tdesign-react/es/select/hooks/useKeyboardControl.js

TDesign Component for React

/**
 * tdesign v1.16.2
 * (c) 2025 tdesign
 * @license MIT
 */

import { _ as _slicedToArray } from '../../_chunks/dep-10d5731f.js';
import { useRef, useState, useMemo, useEffect } from 'react';
import useConfig from '../../hooks/useConfig.js';
import { g as getKeyMapping, b as getSelectValueArr } from '../../_chunks/dep-80300655.js';
import '../../_chunks/dep-74a10cfb.js';
import '../../config-provider/ConfigContext.js';
import '../../_chunks/dep-d67deb2c.js';
import '../../_chunks/dep-8abcbcbc.js';
import 'lodash-es';
import '../../locale/zh_CN.js';
import '../../_chunks/dep-751cada9.js';
import 'dayjs';
import '../../_chunks/dep-37c4dbb1.js';
import '../../_chunks/dep-a3a3e527.js';
import 'classnames';
import '../../hooks/useDomRefCallback.js';
import '../../hooks/useRipple.js';
import '../../_chunks/dep-79351403.js';
import '../../hooks/useAnimation.js';
import '../../_chunks/dep-ca8d3fa0.js';
import '../base/OptionGroup.js';
import '../defaultProps.js';
import '../../hooks/useDefaultProps.js';

function useKeyboardControl(_ref) {
  var max = _ref.max,
    multiple = _ref.multiple,
    keys = _ref.keys,
    value = _ref.value,
    valueType = _ref.valueType,
    handleChange = _ref.handleChange,
    innerPopupVisible = _ref.innerPopupVisible,
    handlePopupVisibleChange = _ref.handlePopupVisibleChange,
    displayOptions = _ref.displayOptions,
    onCheckAllChange = _ref.onCheckAllChange,
    selectInputRef = _ref.selectInputRef,
    toggleIsScrolling = _ref.toggleIsScrolling;
  var _useConfig = useConfig(),
    classPrefix = _useConfig.classPrefix;
  var isCheckAll = useRef(false);
  var _useState = useState(-1),
    _useState2 = _slicedToArray(_useState, 2),
    hoverIndex = _useState2[0],
    changeHoverIndex = _useState2[1];
  var isObjectType = useMemo(function () {
    return valueType === "object";
  }, [valueType]);
  var _useMemo = useMemo(function () {
      return getKeyMapping(keys);
    }, [keys]),
    valueKey = _useMemo.valueKey,
    disabledKey = _useMemo.disabledKey;
  useEffect(function () {
    if (!innerPopupVisible) {
      changeHoverIndex(-1);
    } else if (!multiple) {
      var index = displayOptions.findIndex(function (option) {
        return option.value === value;
      });
      changeHoverIndex(index >= 0 ? index : -1);
    } else {
      changeHoverIndex(-1);
    }
  }, [innerPopupVisible, displayOptions]);
  useEffect(function () {
    if (!Array.isArray(value)) return;
    isCheckAll.current = value.length === displayOptions.filter(function (v) {
      return !((v.disabled || v.checkAll) && !value.includes(v.value));
    }).length;
  }, [value, displayOptions]);
  var handleKeyboardScroll = function handleKeyboardScroll(hoverIndex2) {
    var popupContent = selectInputRef.current.getPopupContentElement();
    var optionSelector = ".".concat(classPrefix, "-select-option");
    var selector = ".".concat(classPrefix, "-select-option__hover");
    var firstSelectedNode = popupContent.querySelector(selector);
    if (firstSelectedNode) {
      toggleIsScrolling(true);
      var scrollHeight = popupContent.querySelector(optionSelector).clientHeight * hoverIndex2;
      popupContent.scrollTo({
        top: scrollHeight,
        behavior: "smooth"
      });
    }
  };
  var handleKeyDown = function handleKeyDown(_value, _ref2) {
    var _displayOptions$newIn, _displayOptions$newIn2;
    var e = _ref2.e;
    var optionsListLength = displayOptions.length;
    var newIndex = hoverIndex;
    switch (e.code) {
      case "ArrowUp":
        e.preventDefault();
        if (hoverIndex === -1) newIndex = 0;else if (hoverIndex === 0 || hoverIndex > optionsListLength - 1) newIndex = optionsListLength - 1;else newIndex -= 1;
        if ((_displayOptions$newIn = displayOptions[newIndex]) !== null && _displayOptions$newIn !== void 0 && _displayOptions$newIn[disabledKey]) newIndex -= 1;
        changeHoverIndex(newIndex);
        handleKeyboardScroll(newIndex);
        break;
      case "ArrowDown":
        e.preventDefault();
        if (hoverIndex === -1 || hoverIndex >= optionsListLength - 1) newIndex = 0;else newIndex += 1;
        if ((_displayOptions$newIn2 = displayOptions[newIndex]) !== null && _displayOptions$newIn2 !== void 0 && _displayOptions$newIn2.disabled) newIndex += 1;
        changeHoverIndex(newIndex);
        handleKeyboardScroll(newIndex);
        break;
      case "Enter":
        {
          if (!innerPopupVisible) {
            handlePopupVisibleChange(true, {
              e: e
            });
            break;
          }
          if (hoverIndex === -1) return;
          if (displayOptions[hoverIndex].checkAll) {
            onCheckAllChange(!isCheckAll.current, e);
            return;
          }
          var selectedOptions = displayOptions[hoverIndex];
          var optionValue = isObjectType ? selectedOptions : selectedOptions[valueKey];
          if (!multiple) {
            handleChange(optionValue, {
              trigger: "check",
              e: e
            });
            handlePopupVisibleChange(false, {
              e: e
            });
            changeHoverIndex(-1);
            handleKeyboardScroll(0);
          } else {
            var valueIndex = value.indexOf(optionValue);
            var isSelected = valueIndex > -1;
            var values = getSelectValueArr(value, optionValue, isSelected, valueType, keys, selectedOptions);
            if (max > 0 && values.length > max) return;
            handleChange(values, {
              trigger: !isSelected ? "check" : "uncheck",
              e: e
            });
          }
          break;
        }
      case "Escape":
        handlePopupVisibleChange(false, {
          e: e
        });
        changeHoverIndex(-1);
        handleKeyboardScroll(0);
    }
  };
  return {
    hoverIndex: hoverIndex,
    handleKeyDown: handleKeyDown
  };
}

export { useKeyboardControl as default };
//# sourceMappingURL=useKeyboardControl.js.map