antd/lib/form/hooks/useItemRef.js

An enterprise-class UI design language and React components implementation

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = useItemRef;

var React = _interopRequireWildcard(require("react"));

var _ref = require("rc-util/lib/ref");

var _context = require("../context");

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function useItemRef() {
  var _React$useContext = React.useContext(_context.FormContext),
      itemRef = _React$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 = (0, _ref.composeRef)(itemRef(name), childrenRef);
    }

    return cacheRef.current.ref;
  }

  return getRef;
}