From 8b51e818a3e728f274ca600de7b9751e650cb6ba Mon Sep 17 00:00:00 2001
From: Patrick Steele-Idem <pnidem@gmail.com>
Date: Mon, 1 Feb 2016 16:34:16 -0700
Subject: [PATCH] Marko v3: Improved assertions

---
 compiler/Compiler.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/compiler/Compiler.js b/compiler/Compiler.js
index 1af6d799c..5fe75750c 100644
--- a/compiler/Compiler.js
+++ b/compiler/Compiler.js
@@ -71,8 +71,9 @@ class Compiler {
     }
 
     compile(src, filename) {
-        ok(src);
-        ok(filename);
+        ok(typeof src === 'string', '"src" argument should be a string');
+        ok(filename, '"filename" argument is required');
+        ok(typeof filename === 'string', '"filename" argument should be a string');
 
         var context = new CompileContext(src, filename, this.builder);