Ensure boot.js can only be parsed as a module

Closure compiler likes this
Polymer · Aug 15, 2018 · a64dfb0 · a64dfb0
1 parent 6dc0184
commit a64dfb0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/utils/boot.js b/lib/utils/boot.js
@@ -9,3 +9,5 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 */
 
 window.JSCompiler_renameProperty = function(prop) { return prop; };
+
+export {};