fix(console): missing cause property on non-error objects (#26061)

Fixes https://github.com/denoland/deno/issues/26047

2 files changed, 18 insertions, 1 deletions

diff --git a/ext/console/01_console.js b/ext/console/01_console.js
index 1ca23d5a4..d9acc958a 100644
--- a/ext/console/01_console.js
+++ b/ext/console/01_console.js
@@ -1301,7 +1301,9 @@ function getKeys(value, showHidden) {
       ArrayPrototypePushApply(keys, ArrayPrototypeFilter(symbols, filter));
     }
   }
-  keys = ArrayPrototypeFilter(keys, (key) => key !== "cause");
+  if (ObjectPrototypeIsPrototypeOf(ErrorPrototype, value)) {
+    keys = ArrayPrototypeFilter(keys, (key) => key !== "cause");
+  }
   return keys;
 }
 
diff --git a/tests/unit/console_test.ts b/tests/unit/console_test.ts
index 201d18f00..878d17ae3 100644
--- a/tests/unit/console_test.ts
+++ b/tests/unit/console_test.ts
@@ -1913,6 +1913,21 @@ Deno.test(function consoleLogWhenCauseIsAssignedShouldNotPrintCauseTwice() {
   });
 });
 
+Deno.test(function consoleLogCauseNotFilteredOnNonError() {
+  mockConsole((console, out) => {
+    const foo = {
+      a: 1,
+      b: 2,
+      cause: 3,
+    };
+    console.log(foo);
+
+    const result = stripAnsiCode(out.toString());
+    const expected = "{ a: 1, b: 2, cause: 3 }\n";
+    assertEquals(result.trim(), expected.trim());
+  });
+});
+
 // console.log(new Proxy(new RegExp(), {}))
 Deno.test(function consoleLogShouldNotThrowErrorWhenInputIsProxiedRegExp() {
   mockConsole((console, out) => {