From 66dcc27e28abe01ba9cc9e758ddc2a7d36b22b6e Mon Sep 17 00:00:00 2001
From: Isaac Parker <58576757+isaacparker2@users.noreply.github.com>
Date: Tue, 20 Oct 2020 12:23:55 -0400
Subject: [PATCH] fix: supportMark accepts ExtendedChannel (#6982)

---
 src/channel.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/channel.ts b/src/channel.ts
index 8c1f7a3b80..64937e1b63 100644
--- a/src/channel.ts
+++ b/src/channel.ts
@@ -450,7 +450,7 @@ export type SupportedMark = Partial<Record<Mark, 'always' | 'binned'>>;
  * @param mark the mark type
  * @return whether the mark supports the channel
  */
-export function supportMark(channel: Channel, mark: Mark) {
+export function supportMark(channel: ExtendedChannel, mark: Mark) {
   return getSupportedMark(channel)[mark];
 }