feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 80 insertions, 0 deletions

diff --git a/vanilla/node_modules/tldts-core/src/lookup/fast-path.ts b/vanilla/node_modules/tldts-core/src/lookup/fast-path.ts
new file mode 100644
index 0000000..f80898f
--- /dev/null
+++ b/vanilla/node_modules/tldts-core/src/lookup/fast-path.ts
@@ -0,0 +1,80 @@
+import { IPublicSuffix, ISuffixLookupOptions } from './interface';
+
+export default function (
+  hostname: string,
+  options: ISuffixLookupOptions,
+  out: IPublicSuffix,
+): boolean {
+  // Fast path for very popular suffixes; this allows to by-pass lookup
+  // completely as well as any extra allocation or string manipulation.
+  if (!options.allowPrivateDomains && hostname.length > 3) {
+    const last: number = hostname.length - 1;
+    const c3: number = hostname.charCodeAt(last);
+    const c2: number = hostname.charCodeAt(last - 1);
+    const c1: number = hostname.charCodeAt(last - 2);
+    const c0: number = hostname.charCodeAt(last - 3);
+
+    if (
+      c3 === 109 /* 'm' */ &&
+      c2 === 111 /* 'o' */ &&
+      c1 === 99 /* 'c' */ &&
+      c0 === 46 /* '.' */
+    ) {
+      out.isIcann = true;
+      out.isPrivate = false;
+      out.publicSuffix = 'com';
+      return true;
+    } else if (
+      c3 === 103 /* 'g' */ &&
+      c2 === 114 /* 'r' */ &&
+      c1 === 111 /* 'o' */ &&
+      c0 === 46 /* '.' */
+    ) {
+      out.isIcann = true;
+      out.isPrivate = false;
+      out.publicSuffix = 'org';
+      return true;
+    } else if (
+      c3 === 117 /* 'u' */ &&
+      c2 === 100 /* 'd' */ &&
+      c1 === 101 /* 'e' */ &&
+      c0 === 46 /* '.' */
+    ) {
+      out.isIcann = true;
+      out.isPrivate = false;
+      out.publicSuffix = 'edu';
+      return true;
+    } else if (
+      c3 === 118 /* 'v' */ &&
+      c2 === 111 /* 'o' */ &&
+      c1 === 103 /* 'g' */ &&
+      c0 === 46 /* '.' */
+    ) {
+      out.isIcann = true;
+      out.isPrivate = false;
+      out.publicSuffix = 'gov';
+      return true;
+    } else if (
+      c3 === 116 /* 't' */ &&
+      c2 === 101 /* 'e' */ &&
+      c1 === 110 /* 'n' */ &&
+      c0 === 46 /* '.' */
+    ) {
+      out.isIcann = true;
+      out.isPrivate = false;
+      out.publicSuffix = 'net';
+      return true;
+    } else if (
+      c3 === 101 /* 'e' */ &&
+      c2 === 100 /* 'd' */ &&
+      c1 === 46 /* '.' */
+    ) {
+      out.isIcann = true;
+      out.isPrivate = false;
+      out.publicSuffix = 'de';
+      return true;
+    }
+  }
+
+  return false;
+}