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jackbeeby
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node_modules/graphql-tools/dist/stitching/makeRemoteExecutableSchema.js
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186
node_modules/graphql-tools/dist/stitching/makeRemoteExecutableSchema.js
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __generator = (this && this.__generator) || function (thisArg, body) {
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var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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function verb(n) { return function (v) { return step([n, v]); }; }
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function step(op) {
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if (f) throw new TypeError("Generator is already executing.");
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while (_) try {
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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;
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if (y = 0, t) op = [op[0] & 2, t.value];
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switch (op[0]) {
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case 0: case 1: t = op; break;
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case 4: _.label++; return { value: op[1], done: false };
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case 5: _.label++; y = op[1]; op = [0]; continue;
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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default:
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if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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if (t[2]) _.ops.pop();
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_.trys.pop(); continue;
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}
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op = body.call(thisArg, _);
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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}
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};
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var __spreadArrays = (this && this.__spreadArrays) || function () {
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for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
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for (var r = Array(s), k = 0, i = 0; i < il; i++)
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for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
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r[k] = a[j];
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return r;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var graphql_1 = require("graphql");
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var linkToFetcher_1 = require("./linkToFetcher");
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var isEmptyObject_1 = require("../isEmptyObject");
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var makeExecutableSchema_1 = require("../makeExecutableSchema");
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var schemaRecreation_1 = require("./schemaRecreation");
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var resolveFromParentTypename_1 = require("./resolveFromParentTypename");
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var defaultMergedResolver_1 = require("./defaultMergedResolver");
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var errors_1 = require("./errors");
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var observableToAsyncIterable_1 = require("./observableToAsyncIterable");
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function makeRemoteExecutableSchema(_a) {
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var _b;
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var schema = _a.schema, link = _a.link, fetcher = _a.fetcher, _c = _a.createResolver, customCreateResolver = _c === void 0 ? createResolver : _c, buildSchemaOptions = _a.buildSchemaOptions, _d = _a.printSchemaOptions, printSchemaOptions = _d === void 0 ? { commentDescriptions: true } : _d;
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if (!fetcher && link) {
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fetcher = linkToFetcher_1.default(link);
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}
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var typeDefs;
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if (typeof schema === 'string') {
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typeDefs = schema;
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schema = graphql_1.buildSchema(typeDefs, buildSchemaOptions);
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}
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else {
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typeDefs = graphql_1.printSchema(schema, printSchemaOptions);
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}
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// prepare query resolvers
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var queryResolvers = {};
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var queryType = schema.getQueryType();
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var queries = queryType.getFields();
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Object.keys(queries).forEach(function (key) {
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queryResolvers[key] = customCreateResolver(fetcher);
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});
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// prepare mutation resolvers
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var mutationResolvers = {};
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var mutationType = schema.getMutationType();
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if (mutationType) {
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var mutations = mutationType.getFields();
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Object.keys(mutations).forEach(function (key) {
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mutationResolvers[key] = customCreateResolver(fetcher);
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});
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}
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// prepare subscription resolvers
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var subscriptionResolvers = {};
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var subscriptionType = schema.getSubscriptionType();
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if (subscriptionType) {
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var subscriptions = subscriptionType.getFields();
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Object.keys(subscriptions).forEach(function (key) {
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subscriptionResolvers[key] = {
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subscribe: createSubscriptionResolver(key, link)
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};
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});
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}
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// merge resolvers into resolver map
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var resolvers = (_b = {}, _b[queryType.name] = queryResolvers, _b);
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if (!isEmptyObject_1.default(mutationResolvers)) {
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resolvers[mutationType.name] = mutationResolvers;
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}
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if (!isEmptyObject_1.default(subscriptionResolvers)) {
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resolvers[subscriptionType.name] = subscriptionResolvers;
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}
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// add missing abstract resolvers (scalar, unions, interfaces)
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var typeMap = schema.getTypeMap();
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var types = Object.keys(typeMap).map(function (name) { return typeMap[name]; });
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var _loop_1 = function (type) {
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if (type instanceof graphql_1.GraphQLInterfaceType || type instanceof graphql_1.GraphQLUnionType) {
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resolvers[type.name] = {
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__resolveType: function (parent, context, info) {
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return resolveFromParentTypename_1.default(parent, info.schema);
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}
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};
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}
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else if (type instanceof graphql_1.GraphQLScalarType) {
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if (!(type === graphql_1.GraphQLID ||
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type === graphql_1.GraphQLString ||
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type === graphql_1.GraphQLFloat ||
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type === graphql_1.GraphQLBoolean ||
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type === graphql_1.GraphQLInt)) {
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resolvers[type.name] = schemaRecreation_1.recreateType(type, function (name) { return null; }, false);
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}
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}
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else if (type instanceof graphql_1.GraphQLObjectType &&
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type.name.slice(0, 2) !== '__' &&
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type !== queryType &&
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type !== mutationType &&
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type !== subscriptionType) {
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var resolver_1 = {};
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Object.keys(type.getFields()).forEach(function (field) {
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resolver_1[field] = defaultMergedResolver_1.default;
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});
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resolvers[type.name] = resolver_1;
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}
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};
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for (var _i = 0, types_1 = types; _i < types_1.length; _i++) {
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var type = types_1[_i];
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_loop_1(type);
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}
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return makeExecutableSchema_1.makeExecutableSchema({
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typeDefs: typeDefs,
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resolvers: resolvers
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});
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}
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exports.default = makeRemoteExecutableSchema;
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function createResolver(fetcher) {
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var _this = this;
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return function (root, args, context, info) { return __awaiter(_this, void 0, void 0, function () {
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var fragments, document, result;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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fragments = Object.keys(info.fragments).map(function (fragment) { return info.fragments[fragment]; });
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document = {
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kind: graphql_1.Kind.DOCUMENT,
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definitions: __spreadArrays([info.operation], fragments)
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};
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return [4 /*yield*/, fetcher({
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query: document,
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variables: info.variableValues,
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context: { graphqlContext: context }
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})];
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case 1:
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result = _a.sent();
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return [2 /*return*/, errors_1.checkResultAndHandleErrors(result, info)];
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}
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});
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}); };
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}
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exports.createResolver = createResolver;
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function createSubscriptionResolver(name, link) {
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return function (root, args, context, info) {
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var fragments = Object.keys(info.fragments).map(function (fragment) { return info.fragments[fragment]; });
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var document = {
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kind: graphql_1.Kind.DOCUMENT,
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definitions: __spreadArrays([info.operation], fragments)
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};
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var operation = {
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query: document,
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variables: info.variableValues,
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context: { graphqlContext: context }
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};
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var observable = linkToFetcher_1.execute(link, operation);
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return observableToAsyncIterable_1.observableToAsyncIterable(observable);
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};
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}
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//# sourceMappingURL=makeRemoteExecutableSchema.js.map
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