form-render/es/models/flattenSchema.js

通过 JSON Schema 生成标准 Form，常用于自定义搭建配置界面生成

function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
import { _cloneDeep, isObjType, isListType } from '../utils/index';
import sortProperties from './sortProperties';
export var getKeyFromPath = function getKeyFromPath() {
  var path = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '#';
  try {
    var arr = path.split('.');
    var last = arr.slice(-1)[0];
    var result = last.replace('[]', '');
    return result;
  } catch (error) {
    console.error(error, 'getKeyFromPath');
    return '';
  }
};
export function getSchemaFromFlatten(flatten) {
  var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '#';
  var schema = {};
  var item = _cloneDeep(flatten[path]);
  if (!item) {
    return schema;
  }
  schema = item.schema;
  // schema.$id && delete schema.$id;
  if (item.children.length > 0) {
    item.children.forEach(function (child) {
      if (!flatten[child]) return;
      var key = getKeyFromPath(child);
      if (isObjType(schema)) {
        schema.properties[key] = getSchemaFromFlatten(flatten, child);
      }
      if (isListType(schema)) {
        schema.items.properties[key] = getSchemaFromFlatten(flatten, child);
      }
    });
  }
  return schema;
}
// TODO: more tests to make sure weird & wrong schema won't crush
export function flattenSchema() {
  var _schema = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var name = arguments.length > 1 ? arguments[1] : undefined;
  var parent = arguments.length > 2 ? arguments[2] : undefined;
  var _result = arguments.length > 3 ? arguments[3] : undefined;
  // 排序
  // _schema = orderBy(_schema, item => item.order, ['asc']);
  var result = _result || {};
  var schema = _cloneDeep(_schema) || {};
  var _name = name || '#';
  if (!schema.$id) {
    schema.$id = _name; // path as $id, for easy access to path in schema
  }
  var children = [];
  if (isObjType(schema)) {
    sortProperties(Object.entries(schema.properties)).forEach(function (_ref) {
      var _ref2 = _slicedToArray(_ref, 2),
        key = _ref2[0],
        value = _ref2[1];
      var _key = isListType(value) ? key + '[]' : key;
      var uniqueName = _name === '#' ? _key : _name + '.' + _key;
      children.push(uniqueName);
      flattenSchema(value, uniqueName, _name, result);
    });
    schema.properties = {};
  }
  if (isListType(schema)) {
    sortProperties(Object.entries(schema.items.properties)).forEach(function (_ref3) {
      var _ref4 = _slicedToArray(_ref3, 2),
        key = _ref4[0],
        value = _ref4[1];
      var _key = isListType(value) ? key + '[]' : key;
      var uniqueName = _name === '#' ? _key : _name + '.' + _key;
      children.push(uniqueName);
      flattenSchema(value, uniqueName, _name, result);
    });
    schema.items.properties = {};
  }
  if (schema.type) {
    result[_name] = {
      parent: parent,
      schema: schema,
      children: children
    };
  }
  return result;
}