graphql-mocks/resolver/create-wrapper.js

Tools for setting up graphql test resolvers

'use strict';

function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
var graphql = require('graphql');
var constants = require('./constants.js');
function hasFieldResolverPackage(type, pkg) {
  return Boolean(graphql.isObjectType(type) && pkg);
}
function hasTypeResolverPackage(type, pkg) {
  return Boolean(graphql.isAbstractType(type) && pkg);
}
class InternalNamedWrapper {
  constructor(name, wrapperFor, wrapperFn) {
    _defineProperty(this, "name", void 0);
    _defineProperty(this, "wrapper", void 0);
    _defineProperty(this, "wrapperFor", void 0);
    if (typeof name !== 'string') {
      throw new Error('Specify a string for the name argument for createWrapper');
    }
    this.name = name;
    this.wrapper = wrapperFn;
    this.wrapperFor = wrapperFor;
  }
  async wrap(resolver, options) {
    const {
      type,
      field
    } = options;
    const wrapper = this.wrapper;
    const wrapperFor = this.wrapperFor;
    // for use with type guards `hasFieldResolverPackage` and `hasTypeResolverPackage`
    const wrapperPkg = {
      resolver,
      wrapper,
      options
    };
    if (hasFieldResolverPackage(type, wrapperPkg) && field && wrapperFor === constants.WrapperFor.FIELD) {
      const {
        wrapper,
        resolver,
        options
      } = wrapperPkg;
      const expandedOptions = _objectSpread(_objectSpread({}, options), {}, {
        type: options.type,
        field: options.field
      });
      return wrapper(resolver, expandedOptions);
    } else if (hasTypeResolverPackage(type, wrapperPkg) && !field && wrapperFor === constants.WrapperFor.TYPE) {
      const {
        wrapper,
        resolver,
        options
      } = wrapperPkg;
      const expandedOptions = _objectSpread(_objectSpread({}, options), {}, {
        type: type,
        field: undefined
      });
      return wrapper(resolver, expandedOptions);
    } else if (wrapperFor === constants.WrapperFor.ANY) {
      // eslint-disable-next-line @typescript-eslint/no-explicit-any
      return wrapper(resolver, options);
    }
    return resolver;
  }
}
function createWrapper(name, wrapperFor, wrapperFn) {
  return new InternalNamedWrapper(name, wrapperFor, wrapperFn);
}
exports.createWrapper = createWrapper;
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