3 files changed, 7 insertions, 0 deletions
diff --git a/cli/js/lib.deno.ns.d.ts b/cli/js/lib.deno.ns.d.ts
index be4b1f15d..63e9b342e 100644
--- a/cli/js/lib.deno.ns.d.ts
+++ b/cli/js/lib.deno.ns.d.ts
@@ -1545,6 +1545,9 @@ declare namespace Deno {
     /** Return the address of the `Listener`. */
     readonly addr: Addr;
 
+    /** Return the rid of the `Listener`. */
+    readonly rid: number;
+
     [Symbol.asyncIterator](): AsyncIterableIterator<Conn>;
   }
 
diff --git a/cli/js/net.ts b/cli/js/net.ts
index 0c40cceae..2de44c2ac 100644
--- a/cli/js/net.ts
+++ b/cli/js/net.ts
@@ -26,6 +26,8 @@ export interface Listener extends AsyncIterable<Conn> {
 
   addr: Addr;
 
+  rid: number;
+
   [Symbol.asyncIterator](): AsyncIterableIterator<Conn>;
 }
 
diff --git a/cli/tests/unit/net_test.ts b/cli/tests/unit/net_test.ts
index 9e9a1e5e8..4fd253a6c 100644
--- a/cli/tests/unit/net_test.ts
+++ b/cli/tests/unit/net_test.ts
@@ -4,6 +4,7 @@ import {
   assert,
   assertEquals,
   createResolvable,
+  assertNotEquals,
 } from "./test_util.ts";
 
 unitTest({ perms: { net: true } }, function netTcpListenClose(): void {
@@ -11,6 +12,7 @@ unitTest({ perms: { net: true } }, function netTcpListenClose(): void {
   assert(listener.addr.transport === "tcp");
   assertEquals(listener.addr.hostname, "127.0.0.1");
   assertEquals(listener.addr.port, 3500);
+  assertNotEquals(listener.rid, 0);
   listener.close();
 });