From e51dd52f23b1dee554d059ef929ea09b076c102a Mon Sep 17 00:00:00 2001
From: Jason Chen <wonton.cc@gmail.com>
Date: Wed, 6 Dec 2017 16:32:52 +0800
Subject: [PATCH] Pass `sourcemap` option to the compiler.

---
 index.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index dae2e82..e06861f 100644
--- a/index.js
+++ b/index.js
@@ -13,8 +13,16 @@ module.exports = function surplus(options) {
 
 		transform: function (code, id) {
 			if (!filter(id)) return null;
-			
-		    return compiler.compile(code, { });
+
+			var map;
+			if (options.sourcemap) {
+				var map = compiler.compile(code, {sourcemap: options.sourcemap}).map;
+			}
+			var code = compiler.compile(code, {});
+			return {
+				code: code,
+				map: map
+			};
 		}
 	};
 }