Simplify kwfilter

Build/lib/aho-corasick.test.ts

@@ -0,0 +1,12 @@
+// eslint-disable-next-line import/no-unresolved -- bun
+import { describe, expect, it } from 'bun:test';
+import createKeywordFilter from './aho-corasick';
+
+describe('AhoCorasick', () => {
+  it('basic', () => {
+    const kwfilter = createKeywordFilter(['ap', 'an']);
+    expect(kwfilter('bananan')).toBeTrue();
+    expect(kwfilter('apple')).toBeTrue();
+    expect(kwfilter('melon')).toBeFalse();
+  });
+});