graphql-ld-comunica-solid/lib/QueryEngineComunicaSolid.js

A GraphQL-LD engine that is backed by Comunica with Solid authentication

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    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) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.QueryEngineComunicaSolid = void 0;
const actor_init_sparql_solid_1 = require("@comunica/actor-init-sparql-solid");
const stringifyStream = require("stream-to-string");
/**
 * A GraphQL-LD engine that is backed by Comunica.
 */
class QueryEngineComunicaSolid {
    constructor(context) {
        this.comunicaEngine = (0, actor_init_sparql_solid_1.newEngine)();
        this.context = context;
    }
    query(query, options = {}) {
        return __awaiter(this, void 0, void 0, function* () {
            const context = Object.assign(Object.assign({}, options), this.context);
            if (context.session) {
                context['@comunica/actor-http-inrupt-solid-client-authn:session'] = context.session;
            }
            const { data } = yield this.comunicaEngine.resultToString(yield this.comunicaEngine.query(query, context), 'application/sparql-results+json');
            return JSON.parse(yield stringifyStream(data));
        });
    }
}
exports.QueryEngineComunicaSolid = QueryEngineComunicaSolid;
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