From 79e9febf02c125aaaa8f18e0ab9ffbc023c6fa00 Mon Sep 17 00:00:00 2001
From: Masafumi Koba <473530+ybiquitous@users.noreply.github.com>
Date: Thu, 8 Jun 2023 23:36:26 +0900
Subject: [PATCH] Fix `max-nesting-depth` error for at-rules in Sass syntax

---
 .changeset/cyan-dingos-own.md                  |  5 +++++
 lib/rules/max-nesting-depth/__tests__/index.js | 17 +++++++++++++++++
 lib/rules/max-nesting-depth/index.js           |  4 ++--
 3 files changed, 24 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/cyan-dingos-own.md

diff --git a/.changeset/cyan-dingos-own.md b/.changeset/cyan-dingos-own.md
new file mode 100644
index 0000000000..f4e04ab8e7
--- /dev/null
+++ b/.changeset/cyan-dingos-own.md
@@ -0,0 +1,5 @@
+---
+"stylelint": patch
+---
+
+Fixed: `max-nesting-depth` error for at-rules in Sass syntax
diff --git a/lib/rules/max-nesting-depth/__tests__/index.js b/lib/rules/max-nesting-depth/__tests__/index.js
index 70ac1f909c..30a7629d74 100644
--- a/lib/rules/max-nesting-depth/__tests__/index.js
+++ b/lib/rules/max-nesting-depth/__tests__/index.js
@@ -1,5 +1,7 @@
 'use strict';
 
+const { stripIndent } = require('common-tags');
+
 const { messages, ruleName } = require('..');
 
 testRule({
@@ -281,3 +283,18 @@ testRule({
 		},
 	],
 });
+
+testRule({
+	ruleName,
+	config: [1],
+	customSyntax: 'postcss-sass',
+
+	accept: [
+		{
+			code: stripIndent`
+				@media print
+					color: white
+			`,
+		},
+	],
+});
diff --git a/lib/rules/max-nesting-depth/index.js b/lib/rules/max-nesting-depth/index.js
index d33df14b07..a1211c94f9 100644
--- a/lib/rules/max-nesting-depth/index.js
+++ b/lib/rules/max-nesting-depth/index.js
@@ -90,8 +90,8 @@ const rule = (primary, secondaryOptions) => {
 	function nestingDepth(node, level) {
 		const parent = node.parent;
 
-		if (parent == null) {
-			throw new Error('The parent node must exist');
+		if (!parent) {
+			return 0;
 		}
 
 		if (isIgnoreAtRule(parent)) {