@backland/schema/lib/extendType.js

TypeScript schema declaration and validation library with static type inference

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.extendType = extendType;
var _utils = require("@backland/utils");
var _CircularDeps = require("./CircularDeps");
var _ObjectType = require("./ObjectType");
var _MetaFieldField = require("./fields/MetaFieldField");
function extendType(input) {
  const clone = (0, _utils.wrapError)(() => {
    const parsed = (0, _ObjectType.parseField)(input);
    const withoutCache = (0, _ObjectType.deleteCachedFieldInstance)(parsed);
    return (0, _utils.simpleObjectClone)(withoutCache);
  }, extendType);
  const res = {
    def() {
      return clone;
    },
    extend(arg) {
      const ext = typeof arg === 'function' ? arg(res.def()) : arg;
      (0, _utils.assertEqual)((0, _utils.getTypeName)(ext), 'Object');
      return extendType({
        ...clone,
        ...arg
      });
    },
    graphType(name) {
      const def = res.def();
      return name ? _CircularDeps.CircularDeps.createType(name, def) : _CircularDeps.CircularDeps.createType(def);
    },
    objectType(name) {
      const {
        def,
        type
      } = res.def();
      if (type !== 'object') {
        throw new Error(`Can't convert "${type}" to ObjectType.`);
      }
      if (_MetaFieldField.objectMetaFieldKey in def) {
        delete def[_MetaFieldField.objectMetaFieldKey];
      }
      return name ? _CircularDeps.CircularDeps.ObjectType.createObjectType(name, def) : _CircularDeps.CircularDeps.ObjectType.createObjectType(def);
    },
    optional() {
      return extendType({
        ...clone,
        optional: true
      });
    },
    required() {
      return extendType({
        ...clone,
        optional: false
      });
    },
    list() {
      return extendType({
        array: {
          of: clone
        }
      });
    },
    single() {
      return extendType({
        ...clone,
        list: false
      });
    }
  };
  return res;
}
//# sourceMappingURL=extendType.js.map