rdf-stores/lib/dataset/DatasetCoreWrapper.js

A TypeScript/JavaScript implementation of the RDF/JS store interface with support for quoted triples.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.DatasetCoreWrapper = void 0;
const RdfStore_1 = require("../RdfStore");
/**
 * A DatasetCoreWrapper exposes an RdfStore inside an RDF.DatasetCore.
 */
class DatasetCoreWrapper {
    constructor(store) {
        this.store = store;
    }
    get size() {
        return this.store.size;
    }
    add(quad) {
        this.store.addQuad(quad);
        return this;
    }
    delete(quad) {
        this.store.removeQuad(quad);
        return this;
    }
    has(quad) {
        // eslint-disable-next-line no-unreachable-loop
        for (const result of this.store.readQuads(quad.subject, quad.predicate, quad.object, quad.graph)) {
            return true;
        }
        return false;
    }
    match(subject, predicate, object, graph) {
        const newStore = new RdfStore_1.RdfStore(this.store.options);
        for (const quad of this.store.readQuads(subject, predicate, object, graph)) {
            newStore.addQuad(quad);
        }
        return new DatasetCoreWrapper(newStore);
    }
    [Symbol.iterator]() {
        return this.store.readQuads();
    }
}
exports.DatasetCoreWrapper = DatasetCoreWrapper;
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