Make the (very minimal) CLI official

README.md

@@ -53,6 +53,15 @@ toRegistrableDomain("192.168.0.1");                      // => null
 - `isRegistered(domain, options?) => Promise<boolean>`
 - `isAvailable(domain, options?) => Promise<boolean>`
 
+### CLI
+
+For quick checks, a minimal CLI is included:
+
+```bash
+npx rdapper example.com
+echo "example.com" | npx rdapper
+```
+
 ### Edge runtimes (e.g., Vercel Edge)
 
 WHOIS requires a raw TCP connection over port 43 via `node:net`, which is not available on edge runtimes. This package lazily loads `node:net` only when the WHOIS code path runs. To use rdapper safely on edge:
@@ -196,7 +205,7 @@ Project layout:
 - `src/whois/` – WHOIS TCP client, discovery/referral, normalization, exceptions
 - `src/lib/` – utilities for dates, text parsing, domain processing, async
 - `src/types.ts` – public types; `src/index.ts` re‑exports API and types
-- `cli.mjs` – local CLI helper for quick testing
+- `bin/cli.js` – simple CLI for quick checks
 
 ## Caveats
 

bin/cli.js

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+
+// Quick informal command-line interface for rdapper
+// Usage:
+//   npx rdapper example.com
+//   echo "example.com" | npx rdapper
+
+import { createInterface } from "node:readline";
+import { lookupDomain } from "../dist/index.js";
+
+async function main() {
+  if (process.argv.length > 2) {
+    // URL(s) specified in the command arguments
+    console.log(
+      JSON.stringify(
+        await lookupDomain(process.argv[process.argv.length - 1]),
+        null,
+        2,
+      ),
+    );
+  } else {
+    // No domain passed as argument, read from each line of stdin
+    const rlInterface = createInterface({
+      input: process.stdin,
+    });
+    rlInterface.on("line", async (line) => {
+      console.log(JSON.stringify(await lookupDomain(line), null, 2));
+    });
+  }
+}
+
+main();

cli.mjs

@@ -1,28 +0,0 @@
-#!/usr/bin/env node
-
-// Quick informal test runner for rdapper
-// Usage:
-//   npm run build && node cli.mjs example.com
-// Env:
-//   RDAP_ONLY=1 | WHOIS_ONLY=1 | TIMEOUT_MS=15000 | FOLLOW_REFERRAL=0 | INCLUDE_RAW=1
-
-import { lookupDomain } from "./dist/index.js";
-
-const domain = process.argv[2] ?? "example.com";
-
-const options = {
-  timeoutMs: process.env.TIMEOUT_MS ? Number(process.env.TIMEOUT_MS) : 15000,
-  followWhoisReferral: process.env.FOLLOW_REFERRAL !== "0",
-  rdapOnly: process.env.RDAP_ONLY === "1",
-  whoisOnly: process.env.WHOIS_ONLY === "1",
-  includeRaw: process.env.INCLUDE_RAW === "1",
-};
-
-const result = await lookupDomain(domain, options);
-
-if (!result.ok) {
-  console.error("Error:", result.error);
-  process.exitCode = 1;
-} else {
-  console.log(JSON.stringify(result.record, null, 2));
-}

package.json

@@ -15,15 +15,19 @@
     "email": "jake@jarv.is",
     "url": "https://jarv.is"
   },
+  "publishConfig": {
+    "access": "public"
+  },
   "type": "module",
   "main": "./dist/index.js",
   "module": "./dist/index.js",
   "types": "./dist/index.d.ts",
+  "bin": "./bin/cli.js",
   "exports": {
     ".": {
-      "types": "./dist/index.d.ts",
+      "default": "./dist/index.js",
       "import": "./dist/index.js",
-      "default": "./dist/index.js"
+      "types": "./dist/index.d.ts"
     }
   },
   "files": [
@@ -32,6 +36,7 @@
   "scripts": {
     "build": "tsdown",
     "dev": "tsdown --watch",
+    "cli": "node bin/cli.cjs",
     "typecheck": "tsc --noEmit",
     "test": "vitest",
     "test:run": "vitest run",

src/whois/client.ts

@@ -34,10 +34,9 @@ async function queryTcp(
   query: string,
   options?: LookupOptions,
 ): Promise<string> {
-  let net: typeof import("net") | null;
+  let net: typeof import("node:net") | null;
   try {
-    // biome-ignore lint/style/useNodejsImportProtocol: compatibility
+    net = await import("node:net");
-    net = await import("net");
   } catch {
     net = null;
   }

tsdown.config.ts

@@ -1,8 +1,9 @@
 import { defineConfig } from "tsdown";
 
 export default defineConfig({
-  entry: ["src/index.ts"],
   platform: "node",
+  entry: ["src/index.ts"],
   dts: true,
+  nodeProtocol: "strip",
   external: ["tldts"],
 });