acud/lib/form/hooks/useItemRef.js

acg react 组件库

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof3 = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = useItemRef;
var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
var React = _interopRequireWildcard(require("react"));
var _ref = require("rc-util/lib/ref");
var _context = require("../context");
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, "default": e }; if (null === e || "object" != _typeof3(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
/**
 * @file form item ref manager
 * @author chenqiang(chenqiang03)
 */

function useItemRef() {
  var _React$useContext = React.useContext(_context.FormContext),
    itemRef = _React$useContext.itemRef;
  var cacheRef = React.useRef({});
  function getRef(name, children) {
    var childrenRef = children && (0, _typeof2["default"])(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;
}