fix(repl): correctly print string exception (#19391)

Fixes a recent regression where `throw "hello"` in the repl prints
`Uncaught undefined` instead of `throw "hello"`

1 files changed, 9 insertions, 3 deletions

diff --git a/cli/tools/repl/session.rs b/cli/tools/repl/session.rs
index 40cf7d3b0..4a30c93c4 100644
--- a/cli/tools/repl/session.rs
+++ b/cli/tools/repl/session.rs
@@ -258,9 +258,15 @@ impl ReplSession {
           Ok(if let Some(exception_details) = exception_details {
             session.set_last_thrown_error(&result).await?;
             let description = match exception_details.exception {
-              Some(exception) => exception
-                .description
-                .unwrap_or_else(|| "undefined".to_string()),
+              Some(exception) => {
+                if let Some(description) = exception.description {
+                  description
+                } else if let Some(value) = exception.value {
+                  value.to_string()
+                } else {
+                  "undefined".to_string()
+                }
+              }
               None => "Unknown exception".to_string(),
             };
             EvaluationOutput::Error(format!(