From 373efcbe3e5edd52c03b74fd36df7cf96f9fc3bf Mon Sep 17 00:00:00 2001
From: James Bradbury <me@jamesbradbury.net>
Date: Mon, 27 Dec 2021 23:09:19 +0000
Subject: [PATCH] add a redundant roles compiler warning

---
 src/compiler/compile/compiler_warnings.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/compiler/compile/compiler_warnings.ts b/src/compiler/compile/compiler_warnings.ts
index bfcd779fc7..9413bce360 100644
--- a/src/compiler/compile/compiler_warnings.ts
+++ b/src/compiler/compile/compiler_warnings.ts
@@ -76,6 +76,10 @@ export default {
 		code: 'a11y-unknown-role',
 		message: `A11y: Unknown role '${role}'` + (suggestion ? ` (did you mean '${suggestion}'?)` : '')
 	}),
+	a11y_no_redundant_roles: (role: string | boolean , suggestion?: string) => ({
+		code: 'a11y-no-redundant-roles',
+		message: `A11y: Redundant role '${role}'` + (suggestion ? ` (did you mean '${suggestion})?'` : '')
+	}),
 	a11y_accesskey: {
 		code: 'a11y-accesskey',
 		message: 'A11y: Avoid using accesskey'