Unblanknode

Unblanknode.js

const N3 = require('n3');

/**
 * Return the description of the `term`.
 * 
 * The description is:
 * - the term itself if it is not a blank node
 * - if it is a blank node, a list of every [predicate, object] for which
 * there exists a (term, predicate, object) quad in the default graph of the
 * store
 * 
 * @param {N3.Store} store The store
 * @param {*} term The term
 * @returns An array with the informations about the term
 */
function readInfo(store, term) {
    if (term.termType == "BlankNode") {
        const quads = store.getQuads(term, null, null, N3.DataFactory.defaultGraph());

        return quads.map(quad => [quad.predicate, readInfo(store, quad.object)]);
    } else {
        return term;
    }
}