1 files changed, 6 insertions, 1 deletions
diff --git a/scripts/run-tool.js b/scripts/run-tool.js
index 4a806f3..3a1c86e 100755
--- a/scripts/run-tool.js
+++ b/scripts/run-tool.js
@@ -28,10 +28,15 @@ function parseArgv(thisFileName) {
     toolData = process.argv[2];
   }
 
-  if (toolName.endsWith(".js")) {
+  if (toolName && toolName.endsWith(".js")) {
     toolName = toolName.slice(0, -3);
   }
 
+  if (!toolData || !toolName) {
+    console.log(`Usage: ./run-tools.js <tool-name> <tool-data>`);
+    process.exit(1);
+  }
+
   return [toolName, toolData];
 }