sunmao-sdk/es/component/FormRender/base/resolve.js

榫卯-开箱即用赋能-sdk

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); }

import { clone, isFunction } from "./utils"; // 获取当前字段默认值

function getDefaultValue(schema) {
  var def = schema.default,
      _schema$enum = schema.enum,
      enums = _schema$enum === void 0 ? [] : _schema$enum,
      type = schema.type;
  var defaultValue = {
    array: [],
    boolean: false,
    integer: "",
    null: null,
    number: "",
    object: {},
    string: "",
    range: null
  };

  if (isFunction(def)) {
    return defaultValue[type];
  }

  if (isFunction(enums)) {
    if (type === "array") {
      return [];
    }

    if (type === "string" || type === "number") {
      return "";
    }
  } // 如果设置默认值，优先从默认值中获取


  if (typeof def !== "undefined") {
    return def;
  } // array且enum的情况，为多选框，默认值[]


  if (type === "array" && enums.length) {
    return [];
  } // 如果enum是表达式，不处理
  // 如果设置枚举值，其次从枚举值中获取


  if (Array.isArray(enums) && typeof enums[0] !== "undefined") {
    if (schema.hasOwnProperty("default")) {
      return schema.default; // 就算default: undefined, 也用 undefined, 这样就可以清空了
    }

    return enums[0];
  } // 最后使用对应基础类型的默认值


  return defaultValue[type];
}

function resolve(schema, data) {
  var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  var type = schema.type,
      properties = schema.properties,
      items = schema.items,
      def = schema.default,
      _schema$required = schema.required,
      required = _schema$required === void 0 ? [] : _schema$required,
      widget = schema["ui:widget"];
  var _options$checkRequire = options.checkRequired,
      checkRequired = _options$checkRequire === void 0 ? false : _options$checkRequire;
  var value = typeof data === "undefined" ? getDefaultValue(schema) : clone(data);

  if (type === "object") {
    // 如果自定义组件
    if (widget) {
      if (def && _typeof(def) === "object") {
        return def;
      }

      return value;
    }

    var subs = properties || {};
    var ret = {};
    Object.keys(subs).forEach(function (name) {
      var checkAndPass = checkRequired && [].concat(required).indexOf(name) !== -1;

      if (!checkRequired || checkAndPass) {
        ret[name] = resolve(subs[name], value[name], options);
      }
    });
    return ret;
  }

  if (type === "array") {
    // 如果没有value且default有值，用default
    if (def && Array.isArray(def) && !value) {
      return def;
    } // 如果自定义组件


    if (widget) return value;

    var _subs = [].concat(items || []);

    var _ret = [];
    value.forEach && value.forEach(function (item, idx) {
      _ret[idx] = resolve(_subs[idx] || _subs[0], item, options);
    });
    return _ret;
  }

  return value;
}

export default resolve;