From a5568066b3d979111134029f9e4f0c1b462b948e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Wed, 4 Oct 2023 21:42:17 +0200
Subject: refactor: use deno_core::FeatureChecker for unstable checks (#20765)

---
 ext/broadcast_channel/lib.rs | 16 +++-------------
 1 file changed, 3 insertions(+), 13 deletions(-)

(limited to 'ext/broadcast_channel')

diff --git a/ext/broadcast_channel/lib.rs b/ext/broadcast_channel/lib.rs
index 6ee10f9c0..49cc78415 100644
--- a/ext/broadcast_channel/lib.rs
+++ b/ext/broadcast_channel/lib.rs
@@ -40,8 +40,6 @@ pub trait BroadcastChannel: Clone {
 
 pub type Message = (String, Vec<u8>);
 
-struct Unstable(bool); // --unstable
-
 #[op2(fast)]
 #[smi]
 pub fn op_broadcast_subscribe<BC>(
@@ -50,15 +48,9 @@ pub fn op_broadcast_subscribe<BC>(
 where
   BC: BroadcastChannel + 'static,
 {
-  let unstable = state.borrow::<Unstable>().0;
-
-  if !unstable {
-    eprintln!(
-      "Unstable API 'BroadcastChannel'. The --unstable flag must be provided.",
-    );
-    std::process::exit(70);
-  }
-
+  state
+    .feature_checker
+    .check_legacy_unstable_or_exit("BroadcastChannel");
   let bc = state.borrow::<BC>();
   let resource = bc.subscribe()?;
   Ok(state.resource_table.add(resource))
@@ -118,11 +110,9 @@ deno_core::extension!(deno_broadcast_channel,
   esm = [ "01_broadcast_channel.js" ],
   options = {
     bc: BC,
-    unstable: bool,
   },
   state = |state, options| {
     state.put(options.bc);
-    state.put(Unstable(options.unstable));
   },
 );
 
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