From 5a5bf24ee3d6a685c628592d91d2548da633a960 Mon Sep 17 00:00:00 2001
From: Mustafa Senoglu <mmustafasenoglu0@gmail.com>
Date: Sun, 5 Jul 2026 14:38:47 +0300
Subject: [PATCH] Add console.exception() as alias for console.error()

WHATWG Console specification defines console.exception() as
identical to console.error(). This adds the alias registration
in Console::make_console() and a test to verify it works.

Closes #307
---
 core/runtime/src/console/mod.rs   |  5 +++++
 core/runtime/src/console/tests.rs | 20 ++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/core/runtime/src/console/mod.rs b/core/runtime/src/console/mod.rs
index 8bb4b3b892b..aa7fa9d2194 100644
--- a/core/runtime/src/console/mod.rs
+++ b/core/runtime/src/console/mod.rs
@@ -396,6 +396,11 @@ impl Console {
             js_string!("error"),
             0,
         )
+        .function(
+            console_method(Self::error, state.clone(), logger.clone()),
+            js_string!("exception"),
+            0,
+        )
         .function(
             console_method(Self::info, state.clone(), logger.clone()),
             js_string!("info"),
diff --git a/core/runtime/src/console/tests.rs b/core/runtime/src/console/tests.rs
index 6ff1de47430..4205e01263c 100644
--- a/core/runtime/src/console/tests.rs
+++ b/core/runtime/src/console/tests.rs
@@ -841,6 +841,26 @@ fn console_table_map_ignores_properties_filter() {
     assert!(logs.contains("Values"));
 }
 
+/// exception should be an alias for error.
+#[test]
+fn console_exception_is_alias_for_error() {
+    let mut context = Context::default();
+    let logger = RecordingLogger::default();
+    Console::register_with_logger(logger.clone(), &mut context).unwrap();
+
+    run_test_actions_with(
+        [
+            TestAction::run(indoc! {r#"
+                console.exception("hello world");
+            "#}),
+        ],
+        &mut context,
+    );
+
+    let logs = logger.log.borrow().clone();
+    assert_eq!(logs, "hello world\n");
+}
+
 /// Set should ignore the properties filter and keep its fixed column layout.
 #[test]
 fn console_table_set_ignores_properties_filter() {