@solid-data-modules/rdflib-utils/dist/queries/PreferencesQuery.js

Utility functions for the development of Solid Data Modules for RDFLib.js

import { isNamedNode } from "rdflib";
import { solid } from "../namespaces/index.js";
/**
 * Used query data from a user's preferences file
 */
export class PreferencesQuery {
    constructor(store, 
    /**
     * The WebID of the user
     */
    webIdNode, 
    /**
     * The preferences file
     */
    preferencesDoc) {
        this.store = store;
        this.webIdNode = webIdNode;
        this.preferencesDoc = preferencesDoc;
    }
    /**
     * Look up the private type index. Returns null if none is found or if the predicated does not link to a proper named node
     */
    queryPrivateTypeIndex() {
        const node = this.store.any(this.webIdNode, solid("privateTypeIndex"), null, this.preferencesDoc);
        if (isNamedNode(node)) {
            return node;
        }
        return null;
    }
}
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