From 60b66b3c17f25aec53aadae45754ac90efdd5677 Mon Sep 17 00:00:00 2001
From: Dominic Farolino <domfarolino@gmail.com>
Date: Fri, 10 Nov 2023 15:17:45 -0500
Subject: [PATCH] Add `Subscriber#active` boolean

---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.md b/README.md
index 77e7cb3..75b1a61 100644
--- a/README.md
+++ b/README.md
@@ -314,6 +314,11 @@ interface Subscriber {
   undefined error(any error);
   undefined addTeardown(VoidFunction teardown);
 
+  // True after the Subscriber is created, up until either
+  // `complete()`/`error()` are invoked, or the subscriber unsubscribes. Inside
+  // `complete()`/`error()`, this attribute is true.
+  readonly attribute boolean active;
+
   readonly attribute AbortSignal signal;
 };