@antmjs/vantui/lib/form/core/useForm.js

一套适用于Taro3及React的vantui组件库

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useForm;
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _react = require("react");
var _formstore = _interopRequireDefault(require("./formstore"));
function useForm(form) {
  var defaultFormValue = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var formRef = (0, _react.useRef)(null);
  var _useState = (0, _react.useState)({}),
    _useState2 = (0, _slicedToArray2.default)(_useState, 2),
    forceUpdate = _useState2[1];
  var isInit = (0, _react.useRef)(false);
  (0, _react.useEffect)(function () {
    if (formRef.current && !isInit.current && defaultFormValue) {
      formRef.current.setFields(defaultFormValue);
      forceUpdate({});
      isInit.current = true;
    }
  }, [defaultFormValue]);
  if (!formRef.current) {
    if (form) {
      formRef.current = form;
    } else {
      var formStoreCurrent = new _formstore.default(forceUpdate, defaultFormValue);
      formRef.current = formStoreCurrent.getForm();
    }
  }
  return formRef.current;
}