Check that the toString method is available on the error.

mochajs · Feb 8, 2024 · 3a11def · 3a11def
1 parent 8b7613c
commit 3a11def
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/cli/run.js b/lib/cli/run.js
@@ -369,7 +369,7 @@ exports.handler = async function (argv) {
   try {
     await runMocha(mocha, argv);
   } catch (err) {
-    if (!err) {
+    if (!err || !err.toString) {
       console.error('\n Undefined error:', err);
     } else {
       console.error('\n' + (err.stack || `Error: ${err.message || err}`));