From 0a6de8edb8b51906f4bb5f8e585789acc4e84433 Mon Sep 17 00:00:00 2001
From: eight <eight04@gmail.com>
Date: Mon, 16 Oct 2017 16:05:41 +0800
Subject: [PATCH] Add: make dirtyReporter.clear accept a key

---
 edit/util.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/edit/util.js b/edit/util.js
index 43325c27..84b2e7d2 100644
--- a/edit/util.js
+++ b/edit/util.js
@@ -46,8 +46,12 @@ function dirtyReporter() {
     }
   }
 
-  function clear() {
-    dirty.clear();
+  function clear(obj) {
+    if (obj === undefined) {
+      dirty.clear();
+    } else {
+      dirty.delete(obj);
+    }
   }
 
   function isDirty() {