Fix/Perf: more efficient and correct whitelisting

Build/lib/trie.test.ts

@@ -208,6 +208,26 @@ describe('smol tree', () => {
     ]);
   });
 
+  it('should whitelist trie correctly', () => {
+    const trie = createTrie([
+      '.t.co',
+      't.co',
+      'example.t.co',
+      '.skk.moe'
+    ], true, true);
+
+    expect(trie.dump()).toStrictEqual([
+      '.skk.moe',
+      '.t.co'
+    ]);
+
+    trie.whitelist('.t.co');
+    expect(trie.dump()).toStrictEqual(['.skk.moe']);
+
+    trie.whitelist('skk.moe');
+    expect(trie.dump()).toStrictEqual([]);
+  });
+
   it('should efficiently whitelist domains', () => {
     const trie = createTrie([
       'skk.moe',
@@ -231,7 +251,6 @@ describe('smol tree', () => {
     ]);
 
     trie.whitelist('anotherskk.moe');
-
     expect(trie.dump()).toStrictEqual([
       'blog.anotherskk.moe'
     ]);