Moved const creation into proper block.

Author: neogeek

lib/loaders.js

@@ -17,10 +17,10 @@ const HANDLEBARS_REGEX = /\.(hbs|handlebars)$/;
 
 const loadParser = config => new Promise((resolve, reject) => {
 
-    const parserString = `doxdox-parser-${config.parser}`;
-
     try {
 
+        const parserString = `doxdox-parser-${config.parser}`;
+
         if (require.resolve(parserString)) {
 
             resolve(require(parserString));