Expose the original resolver if yearn overrides it

lib/yearn.js

@@ -35,6 +35,7 @@ var fs = require( 'fs' );
 var merge = require( 'merge' ).recursive;
 
 var _yearn = null;
+var original_resolver = module.constructor._resolveFilename;
 
 module.exports = function( config ){
 
@@ -44,8 +45,6 @@ module.exports = function( config ){
 
 	config = require( './utils/config' ).initialize( config );
 
-	var old_resolver = module.constructor._resolveFilename;
-
 	var yearn_map = { };
 	var package_dependencies = {};
 	var yutils = require( './utils/yearn-utils' )( config );
@@ -60,6 +59,7 @@ module.exports = function( config ){
 
 		_yearn = require;
 		_yearn.resolve = require.resolve;
+		_yearn._originalResolver = original_resolver;
 		return _yearn;
 	}
 
@@ -234,10 +234,10 @@ module.exports = function( config ){
 			case 'string':
 				if( yutils.isNativeModule( desired ) ){
 					yutils.LOGGER.info( 'Satiating native yearning for "' + desired + '".' );
-					return old_resolver( desired, parent );
+					return original_resolver( desired, parent );
 				} else if( yutils.isDirectYearning( desired ) ){
 					yutils.LOGGER.info( 'Satiating direct yearning for "' + desired + '".' );
-					return old_resolver( desired, parent );
+					return original_resolver( desired, parent );
 				} else {
 					yutils.LOGGER.info( 'Implicit yearning for "' + desired + '".' );
 					desired = yutils.extractYearningParts( desired );
@@ -252,7 +252,7 @@ module.exports = function( config ){
 		var path = determineYearningPath( desired, parent );
 
 		yutils.LOGGER.info( 'Satiating yearning for "' + yutils.constructYearningString( desired ) + '" with "' + path + '".' );
-		return old_resolver( path, parent );
+		return original_resolver( path, parent );
 	}
 
 	if( config.override === true ){
@@ -265,6 +265,7 @@ module.exports = function( config ){
 
 		_yearn = require;
 		_yearn.resolve = require.resolve;
+		_yearn._originalResolver = original_resolver;
 	} else {
 
 		_yearn = function( desired ){
@@ -275,6 +276,8 @@ module.exports = function( config ){
 		_yearn.resolve = function( desired ){
 			return yearn( desired, this );
 		};
+
+		_yearn._originalResolver = undefined;
 	}
 
 	yutils.setLOGGER( config.logger );