tdesign-react/lib/form/hooks/useFormItemInitialData.js

TDesign Component for React

/**
 * tdesign v1.16.6
 * (c) 2026 tdesign
 * @license MIT
 */

import { _ as _toArray } from '../../_chunks/dep-3bc65c4e.js';
import React, { useEffect } from 'react';
import { isEmpty, get, has, unset } from 'lodash-es';
import { useFormContext, useFormListContext } from '../FormContext.js';
import { TD_DEFAULT_VALUE_MAP } from '../const.js';
import '../../_chunks/dep-054b5858.js';
import '../../_chunks/dep-045f6f97.js';
import '../../_chunks/dep-3d8e28be.js';

function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function useFormItemInitialData(name, fullPath, initialData, children) {
  var hadReadFloatingFormData = false;
  var _useFormContext = useFormContext(),
    form = _useFormContext.form,
    floatingFormDataRef = _useFormContext.floatingFormDataRef,
    formContextInitialData = _useFormContext.initialData;
  var _useFormListContext = useFormListContext(),
    formListName = _useFormListContext.name,
    formListInitialData = _useFormListContext.initialData;
  useEffect(function () {
    if (hadReadFloatingFormData) {
      var nameList = formListName ? [formListName, name].flat() : name;
      unset(floatingFormDataRef.current, nameList);
    }
  }, [hadReadFloatingFormData, floatingFormDataRef, formListName, name]);
  var defaultInitialData = getDefaultInitialData(children, initialData);
  function getDefaultInitialData(children2, initialData2) {
    if (name && floatingFormDataRef !== null && floatingFormDataRef !== void 0 && floatingFormDataRef.current && !isEmpty(floatingFormDataRef.current)) {
      var nameList = formListName ? [formListName, name].flat() : name;
      var defaultInitialData2 = get(floatingFormDataRef.current, nameList);
      if (typeof defaultInitialData2 !== "undefined") {
        hadReadFloatingFormData = true;
        return defaultInitialData2;
      }
    }
    if (typeof initialData2 !== "undefined") {
      return initialData2;
    }
    if (formListName && Array.isArray(fullPath)) {
      var pathPrefix = fullPath.slice(0, -1);
      var pathExisted = has(form.store, pathPrefix);
      if (pathExisted) {
        return get(form.store, fullPath);
      }
    }
    if (Array.isArray(name) && formListInitialData !== null && formListInitialData !== void 0 && formListInitialData.length) {
      var _defaultInitialData;
      var _name = _toArray(name),
        index = _name[0],
        relativePath = _arrayLikeToArray(_name).slice(1);
      if (formListInitialData[index]) {
        _defaultInitialData = get(formListInitialData[index], relativePath);
      }
      if (typeof _defaultInitialData !== "undefined") return _defaultInitialData;
    }
    if (name && formContextInitialData) {
      var _defaultInitialData2 = get(formContextInitialData, name);
      if (typeof _defaultInitialData2 !== "undefined") return _defaultInitialData2;
    }
    if (typeof children2 !== "function") {
      var childList = React.Children.toArray(children2);
      var lastChild = childList[childList.length - 1];
      if (lastChild && /*#__PURE__*/React.isValidElement(lastChild)) {
        var _lastChild$props;
        var isMultiple = lastChild === null || lastChild === void 0 || (_lastChild$props = lastChild.props) === null || _lastChild$props === void 0 ? void 0 : _lastChild$props.multiple;
        var componentName = lastChild.type.displayName;
        return isMultiple ? [] : TD_DEFAULT_VALUE_MAP.get(componentName);
      }
    }
  }
  return {
    defaultInitialData: defaultInitialData
  };
}

export { useFormItemInitialData as default };
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