N3.js example for parsing RDF string, storing tuples to store and retrieving them from store

n3-test.js

const N3 = require('n3');
const { DataFactory } = N3;
const { namedNode, literal, defaultGraph, quad } = DataFactory;
const store = new N3.Store();

const parser = new N3.Parser();
parser.parse(
  `PREFIX c: <http://example.org/cartoons#>
   c:Tom a c:Cat.
   c:Jerry a c:Mouse;
           c:smarterThan c:Tom.
    c:Tom c:builds c:House.`,
  (error, quad, prefixes) => {
    if (quad) {
      console.log(quad);
      store.addQuad(quad);
    } else {
      console.log("# Parsing done!", prefixes);
      afterParsing();
    }
  });

function afterParsing() {
    console.log("# Output all tuples from store of Form (subject, predicate, object) == (c:Tom, <any>, <any>):");
    const tom = store.getQuads(namedNode('http://example.org/cartoons#Tom'), null, null);
    console.log(tom);
    console.log("Done");
}