Handle unknown error line for whatever reason

source-academy · Nov 7, 2020 · 26a81cd · 26a81cd
1 parent 4839317
commit 26a81cd
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/index.ts b/src/index.ts
@@ -338,11 +338,12 @@ const handleResult = (
         }
 
         const lines = program.split('\n')
+        const errorLine = (lines[line - 1] || '(unknown)').trim()
         return {
           errorType: err.type.toLowerCase() as 'syntax' | 'runtime',
           line,
           location,
-          errorLine: lines[line - 1].trim(),
+          errorLine,
           errorExplanation: err.explain()
         }
       })