fix: allow datasets to be inputs to stores to align with RDF/JS DatasetFactory interface (#505)

* fix: allow datasets to be inputs to stores

* chore: use addAll

* chore: cleanup

Author: jeswr

src/N3Store.js

@@ -163,7 +163,7 @@ export default class N3Store {
     this._graphs = Object.create(null);
 
     // Shift parameters if `quads` is not given
-    if (!options && quads && !quads[0])
+    if (!options && quads && !quads[0] && !(typeof quads.match === 'function'))
       options = quads, quads = null;
     options = options || {};
     this._factory = options.factory || N3DataFactory;
@@ -175,7 +175,7 @@ export default class N3Store {
 
     // Add quads if passed
     if (quads)
-      this.addQuads(quads);
+      this.addAll(quads);
   }
 
   // ## Public properties

test/N3Store-test.js

@@ -2463,6 +2463,16 @@ describe('Store', () => {
       });
     });
   });
+
+  it('should initialize the store correctly with a another store', () => {
+    const quads = new Store([
+      new Quad(new NamedNode('s1'), new NamedNode('p1'), new NamedNode('o1')),
+      new Quad(new NamedNode('s1'), new NamedNode('p1'), new NamedNode('o2')),
+    ]);
+    const store = new Store(quads);
+    expect(store.size).toEqual(2);
+    expect(store.getQuads()).toHaveLength(2);
+  });
 });
 
 describe('EntityIndex', () => {