Pass filename to babelCore#parse

Author: Kai Cataldo

lib/parse.js

@@ -7,6 +7,7 @@ module.exports = function(code, options) {
   const opts = {
     sourceType: options.sourceType,
     configFile: options.configFile,
+    filename: options.filePath,
     parserOpts: {
       allowImportExportEverywhere: options.allowImportExportEverywhere, // consistent with espree
       allowReturnOutsideFunction: true,