add warning

joshgoebel · joshgoebel · commit d571b235c0c0 · 2020-11-18T11:43:55.000-05:00
diff --git a/src/highlight.js b/src/highlight.js
@@ -28,6 +28,11 @@ https://highlightjs.org/
   }
 
 }(function(hljs) {
+
+  var warn = console.warn || console.log;
+  warn("Verion 9 of Highlight.js has reached EOL and is no longer supported. Please upgrade to version 10.");
+
+
   // Convenience variables for build-in objects
   var ArrayProto = [],
       objectKeys = Object.keys;
