From 46547aecbd429f5ab448bb839c83995b77e775c3 Mon Sep 17 00:00:00 2001
From: adiguba <frederic.martini@gmail.com>
Date: Sat, 15 Mar 2025 07:12:23 +0100
Subject: [PATCH] rune_invalid_arguments_length

---
 .changeset/two-spies-lie.md                               | 5 +++++
 .../compiler/phases/2-analyze/visitors/CallExpression.js  | 2 +-
 .../samples/runes-wrong-state-raw-args/_config.js         | 8 ++++++++
 .../samples/runes-wrong-state-raw-args/main.svelte        | 3 +++
 .../samples/runes-wrong-state-raw-args/main.svelte.js     | 1 +
 5 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/two-spies-lie.md
 create mode 100644 packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/_config.js
 create mode 100644 packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/main.svelte
 create mode 100644 packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/main.svelte.js

diff --git a/.changeset/two-spies-lie.md b/.changeset/two-spies-lie.md
new file mode 100644
index 000000000000..2ea7fd61364a
--- /dev/null
+++ b/.changeset/two-spies-lie.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: throw rune_invalid_arguments_length when $state.raw() is used with more than 1 arg
diff --git a/packages/svelte/src/compiler/phases/2-analyze/visitors/CallExpression.js b/packages/svelte/src/compiler/phases/2-analyze/visitors/CallExpression.js
index 6c2171785244..6ef323725b3f 100644
--- a/packages/svelte/src/compiler/phases/2-analyze/visitors/CallExpression.js
+++ b/packages/svelte/src/compiler/phases/2-analyze/visitors/CallExpression.js
@@ -117,7 +117,7 @@ export function CallExpression(node, context) {
 
 			if ((rune === '$derived' || rune === '$derived.by') && node.arguments.length !== 1) {
 				e.rune_invalid_arguments_length(node, rune, 'exactly one argument');
-			} else if (rune === '$state' && node.arguments.length > 1) {
+			} else if (node.arguments.length > 1) {
 				e.rune_invalid_arguments_length(node, rune, 'zero or one arguments');
 			}
 
diff --git a/packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/_config.js b/packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/_config.js
new file mode 100644
index 000000000000..af226559d11b
--- /dev/null
+++ b/packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/_config.js
@@ -0,0 +1,8 @@
+import { test } from '../../test';
+
+export default test({
+	error: {
+		code: 'rune_invalid_arguments_length',
+		message: '`$state.raw` must be called with zero or one arguments'
+	}
+});
diff --git a/packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/main.svelte b/packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/main.svelte
new file mode 100644
index 000000000000..2b50b43b9a2b
--- /dev/null
+++ b/packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/main.svelte
@@ -0,0 +1,3 @@
+<script>
+	const foo = $state.raw(1, 2, 3);
+</script>
diff --git a/packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/main.svelte.js b/packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/main.svelte.js
new file mode 100644
index 000000000000..442aaad14289
--- /dev/null
+++ b/packages/svelte/tests/compiler-errors/samples/runes-wrong-state-raw-args/main.svelte.js
@@ -0,0 +1 @@
+const foo = $state.raw(1, 2, 3);