@oobleck/fluid-backend/lib/services/fluidBackend.js

Fluid Framework backend for nteract RTC

import { execute, subscribe } from "graphql";
import { makeExecutableSchema } from "@graphql-tools/schema";
import { mergeTypeDefs } from "@graphql-tools/merge";
import { ExecuteError } from "../types";
import { ResolverContext } from "./context";
import { NotebookResolvers } from "./resolvers";
import queriesSchema from "../schema/gql/queries.gql";
import mutationsSchema from "../schema/gql/mutations.gql";
import subscriptionsSchema from "../schema/gql/subscriptions.gql";
export class FluidBackend {
    constructor() {
        this.context = new ResolverContext();
        const typeDefs = mergeTypeDefs([queriesSchema, mutationsSchema, subscriptionsSchema]);
        this.schema = makeExecutableSchema({ typeDefs, resolvers: NotebookResolvers });
    }
    dispose() {
        this.context.dispose();
    }
    async execute(document, variableValues) {
        var _a;
        const valueOrPromise = execute({ schema: this.schema, document, variableValues, contextValue: this.context });
        const result = await Promise.resolve(valueOrPromise);
        if (result.errors) {
            throw new ExecuteError(result.errors);
        }
        return (_a = result.data) !== null && _a !== void 0 ? _a : {};
    }
    async subscribe(document, variableValues) {
        const result = subscribe({
            schema: this.schema,
            document,
            variableValues,
            contextValue: this.context
        });
        return result;
    }
}
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