From 5826c7f39d62716c69820be7746aff70be89cfae Mon Sep 17 00:00:00 2001
From: "Sparrow.jang" <sparrow.jang@gmail.com>
Date: Wed, 20 Dec 2017 23:10:17 +0800
Subject: [PATCH 1/3] Fixed an error that stop unshift when position less than
 max length

---
 lib/simple-undo.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/simple-undo.js b/lib/simple-undo.js
index 81d7f51..f721609 100644
--- a/lib/simple-undo.js
+++ b/lib/simple-undo.js
@@ -51,7 +51,7 @@ SimpleUndo.prototype.clear = function() {
 
 SimpleUndo.prototype.save = function() {
 	this.provider(function(current) {
-		truncate(this.stack, this.maxLength);
+		if (this.position >= this.maxLength) truncate(this.stack, this.maxLength);
 		this.position = Math.min(this.position,this.stack.length - 1);
 
 		this.stack = this.stack.slice(0, this.position + 1);

From a39d104fdf051cb0d424927c739508dce6c10bc5 Mon Sep 17 00:00:00 2001
From: "Sparrow.jang" <sparrow.jang@gmail.com>
Date: Wed, 20 Dec 2017 23:13:06 +0800
Subject: [PATCH 2/3] Release 1.0.2 version

---
 bower.json   | 2 +-
 package.json | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/bower.json b/bower.json
index 863a2fa..e6de093 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-undo",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "authors": [
     "Matthias Jouan <matthias.jouan@gmail.com>"
   ],
diff --git a/package.json b/package.json
index 3a6ef95..69931e8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-undo",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "a very basic javascript undo/redo stack for managing histories of basically anything",
   "main": "./lib/simple-undo.js",
   "scripts": {

From 735755eff6b97a99ec30ed995a436a9b015f434d Mon Sep 17 00:00:00 2001
From: "Sparrow.jang" <sparrow.jang@gmail.com>
Date: Thu, 21 Dec 2017 12:56:41 +0800
Subject: [PATCH 3/3] Add a test case for
 https://github.com/mattjmattj/simple-undo/pull/3

---
 tests/simple-undo.js | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/tests/simple-undo.js b/tests/simple-undo.js
index a892b6f..825503d 100644
--- a/tests/simple-undo.js
+++ b/tests/simple-undo.js
@@ -151,4 +151,31 @@ describe('SimpleUndo', function() {
 		});
 		
 	});
-})
\ No newline at end of file
+
+	it('should reserve initial when undo position to be 0 and save', function() {
+		var count = 0;
+		var provider = function(done) {
+			done(count++);
+		}
+
+		var history = new SimpleUndo({
+			provider: provider,
+			maxLength: 3
+		});
+
+		history.initialize('initial');
+		history.save();
+		history.save();
+		history.save();
+		history.undo();
+		history.undo();
+		history.undo();
+
+		history.canUndo().should.be.false;
+		history.count().should.equal(3);
+		history.save();
+		history.stack.length.should.equal(2);
+		history.stack[0].should.equal('initial');
+		history.stack[1].should.equal(3);
+	});
+})