text: var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
      return new (P || (P = Promise))(function (resolve, reject) {
          function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
          function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
          function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
          step((generator = generator.apply(thisArg, _arguments || [])).next());
      });
  };
  var __generator = (this && this.__generator) || function (thisArg, body) {
      var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
      return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
      function verb(n) { return function (v) { return step([n, v]); }; }
      function step(op) {
          if (f) throw new TypeError("Generator is already executing.");
          while (_) try {
              if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
              if (y = 0, t) op = [op[0] & 2, t.value];
              switch (op[0]) {
                  case 0: case 1: t = op; break;
                  case 4: _.label++; return { value: op[1], done: false };
                  case 5: _.label++; y = op[1]; op = [0]; continue;
                  case 7: op = _.ops.pop(); _.trys.pop(); continue;
                  default:
                      if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                      if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                      if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                      if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                      if (t[2]) _.ops.pop();
                      _.trys.pop(); continue;
              }
              op = body.call(thisArg, _);
          } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
          if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
      }
  };
  Object.defineProperty(exports, "__esModule", { value: true });
  var graphql_1 = require("graphql");
  var linkToFetcher_1 = require("./linkToFetcher");
  var isEmptyObject_1 = require("../isEmptyObject");
  var makeExecutableSchema_1 = require("../makeExecutableSchema");
  var schemaRecreation_1 = require("./schemaRecreation");
  var resolveFromParentTypename_1 = require("./resolveFromParentTypename");
  var defaultMergedResolver_1 = require("./defaultMergedResolver");
  var errors_1 = require("./errors");
  var observableToAsyncIterable_1 = require("./observableToAsyncIterable");
  function makeRemoteExecutableSchema(_a) {
      var schema = _a.schema, link = _a.link, fetcher = _a.fetcher, _b = _a.createResolver, customCreateResolver = _b === void 0 ? createResolver : _b;
      var _c;
      if (!fetcher && link) {
          fetcher = linkToFetcher_1.default(link);
      }
      var typeDefs;
      var printOptions = { commentDescriptions: true };
      if (typeof schema === 'string') {
          typeDefs = schema;
          schema = graphql_1.buildSchema(typeDefs);
      }
      else {
          // TODO fix types https://github.com/apollographql/graphql-tools/issues/542
          typeDefs = graphql_1.printSchema(schema, printOptions);
      }
      // prepare query resolvers
      var queryResolvers = {};
      var queryType = schema.getQueryType();
      var queries = queryType.getFields();
      Object.keys(queries).forEach(function (key) {
          queryResolvers[key] = customCreateResolver(fetcher);
      });
      // prepare mutation resolvers
      var mutationResolvers = {};
      var mutationType = schema.getMutationType();
      if (mutationType) {
          var mutations = mutationType.getFields();
          Object.keys(mutations).forEach(function (key) {
              mutationResolvers[key] = customCreateResolver(fetcher);
          });
      }
      // prepare subscription resolvers
      var subscriptionResolvers = {};
      var subscriptionType = schema.getSubscriptionType();
      if (subscriptionType) {
          var subscriptions = subscriptionType.getFields();
          Object.keys(subscriptions).forEach(function (key) {
              subscriptionResolvers[key] = {
                  subscribe: createSubscriptionResolver(key, link),
              };
          });
      }
      // merge resolvers into resolver map
      var resolvers = (_c = {}, _c[queryType.name] = queryResolvers, _c);
      if (!isEmptyObject_1.default(mutationResolvers)) {
          resolvers[mutationType.name] = mutationResolvers;
      }
      if (!isEmptyObject_1.default(subscriptionResolvers)) {
          resolvers[subscriptionType.name] = subscriptionResolvers;
      }
      // add missing abstract resolvers (scalar, unions, interfaces)
      var typeMap = schema.getTypeMap();
      var types = Object.keys(typeMap).map(function (name) { return typeMap[name]; });
      var _loop_1 = function (type) {
          if (type instanceof graphql_1.GraphQLInterfaceType ||
              type instanceof graphql_1.GraphQLUnionType) {
              resolvers[type.name] = {
                  __resolveType: function (parent, context, info) {
                      return resolveFromParentTypename_1.default(parent, info.schema);
                  },
              };
          }
          else if (type instanceof graphql_1.GraphQLScalarType) {
              if (!(type === graphql_1.GraphQLID ||
                  type === graphql_1.GraphQLString ||
                  type === graphql_1.GraphQLFloat ||
                  type === graphql_1.GraphQLBoolean ||
                  type === graphql_1.GraphQLInt)) {
                  resolvers[type.name] = schemaRecreation_1.recreateType(type, function (name) { return null; }, false);
              }
          }
          else if (type instanceof graphql_1.GraphQLObjectType &&
              type.name.slice(0, 2) !== '__' &&
              type !== queryType &&
              type !== mutationType &&
              type !== subscriptionType) {
              var resolver_1 = {};
              Object.keys(type.getFields()).forEach(function (field) {
                  resolver_1[field] = defaultMergedResolver_1.default;
              });
              resolvers[type.name] = resolver_1;
          }
      };
      for (var _i = 0, types_1 = types; _i < types_1.length; _i++) {
          var type = types_1[_i];
          _loop_1(type);
      }
      return makeExecutableSchema_1.makeExecutableSchema({
          typeDefs: typeDefs,
          resolvers: resolvers,
      });
  }
  exports.default = makeRemoteExecutableSchema;
  function createResolver(fetcher) {
      var _this = this;
      return function (root, args, context, info) { return __awaiter(_this, void 0, void 0, function () {
          var fragments, document, result;
          return __generator(this, function (_a) {
              switch (_a.label) {
                  case 0:
                      fragments = Object.keys(info.fragments).map(function (fragment) { return info.fragments[fragment]; });
                      document = {
                          kind: graphql_1.Kind.DOCUMENT,
                          definitions: [info.operation].concat(fragments),
                      };
                      return [4 /*yield*/, fetcher({
                              query: document,
                              variables: info.variableValues,
                              context: { graphqlContext: context },
                          })];
                  case 1:
                      result = _a.sent();
                      return [2 /*return*/, errors_1.checkResultAndHandleErrors(result, info)];
              }
          });
      }); };
  }
  exports.createResolver = createResolver;
  function createSubscriptionResolver(name, link) {
      return function (root, args, context, info) {
          var fragments = Object.keys(info.fragments).map(function (fragment) { return info.fragments[fragment]; });
          var document = {
              kind: graphql_1.Kind.DOCUMENT,
              definitions: [info.operation].concat(fragments),
          };
          var operation = {
              query: document,
              variables: info.variableValues,
              context: { graphqlContext: context },
          };
          var observable = linkToFetcher_1.execute(link, operation);
          return observableToAsyncIterable_1.observableToAsyncIterable(observable);
      };
  }
  //# sourceMappingURL=makeRemoteExecutableSchema.js.map