fix(repl): panic when user deleted globalThis

Author: CyanChanges

cli/tools/repl/mod.rs

@@ -63,9 +63,13 @@ impl Repl {
 
           // We check for close and break here instead of making it a loop condition to get
           // consistent behavior in when the user evaluates a call to close().
-          if self.session.closing().await? {
-            break;
-          }
+          match self.session.closing().await {
+            Ok(closing) if closing => break,
+            Ok(_) => {}
+            Err(err) => {
+              println!("Error: {:?}", err)
+            }
+          };
 
           println!("{}", output);
         }

cli/tools/repl/session.rs

@@ -312,12 +312,10 @@ impl ReplSession {
 
   pub async fn closing(&mut self) -> Result<bool, AnyError> {
     let expression = format!(r#"{}.closed"#, *REPL_INTERNALS_NAME);
-    let closed = self
-      .evaluate_expression(&expression)
-      .await?
-      .result
+    let result = self.evaluate_expression(&expression).await?.result;
+    let closed = result
       .value
-      .unwrap()
+      .ok_or_else(|| anyhow!(result.description.unwrap()))?
       .as_bool()
       .unwrap();