"use strict";
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 = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, 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 schemaGenerator_1 = require("../schemaGenerator");
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;
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 schemaGenerator_1.makeExecutableSchema({
typeDefs: typeDefs,
resolvers: resolvers,
});
var _c;
}
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