acud/es/form/hooks/useItemRef.js

acg react 组件库

import _typeof from "@babel/runtime/helpers/esm/typeof";
/**
 * @file form item ref manager
 * @author chenqiang(chenqiang03)
 */
import * as React from 'react';
import { composeRef } from "rc-util/es/ref";
import { FormContext } from '../context';
export default function useItemRef() {
  var _React$useContext = React.useContext(FormContext),
    itemRef = _React$useContext.itemRef;
  var cacheRef = React.useRef({});
  function getRef(name, children) {
    var childrenRef = children && _typeof(children) === 'object' && children.ref;
    var nameStr = name.join('_');
    if (cacheRef.current.name !== nameStr || cacheRef.current.originRef !== childrenRef) {
      cacheRef.current.name = nameStr;
      cacheRef.current.originRef = childrenRef;
      cacheRef.current.ref = composeRef(itemRef(name), childrenRef);
    }
    return cacheRef.current.ref;
  }
  return getRef;
}