Chore: more refactor to the bun

Build/lib/domain-deduper.ts

@@ -0,0 +1,25 @@
+import createTrie from './trie';
+
+const domainDeduper = (inputDomains: string[]): string[] => {
+  const trie = createTrie(inputDomains);
+  const sets = new Set(inputDomains);
+
+  for (let j = 0, len = inputDomains.length; j < len; j++) {
+    const d = inputDomains[j];
+    if (d[0] !== '.') {
+      continue;
+    }
+
+    trie.find(d, false).forEach(f => sets.delete(f));
+
+    const a: string = d.slice(1);
+
+    if (sets.has(a)) {
+      sets.delete(a);
+    }
+  }
+
+  return Array.from(sets);
+};
+
+export default domainDeduper;