From 5550fad366b32ea45eb578359086fd0b0d26b220 Mon Sep 17 00:00:00 2001
From: Samy Pesse <samypesse@gmail.com>
Date: Sat, 16 Apr 2016 19:24:50 +0200
Subject: [PATCH 1/2] Add "offset" property

---
 index.js | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/index.js b/index.js
index 04ba4d1..9873876 100644
--- a/index.js
+++ b/index.js
@@ -14,6 +14,7 @@ var Dissolve = module.exports = function Dissolve(options) {
 
   stream.Transform.call(this, options);
 
+  this.offset = 0;
   this.jobs = [];
   this.vars = Object.create(null);
   this.vars_list = [];
@@ -122,6 +123,11 @@ Dissolve.prototype._transform = function _transform(input, encoding, done) {
 
   this._buffer.append(input);
 
+  function moveOffset(value) {
+    offset += value;
+    this.offset += value;
+  }
+
   while (this.jobs.length) {
     var job = this.jobs[0];
 
@@ -158,19 +164,19 @@ Dissolve.prototype._transform = function _transform(input, encoding, done) {
 
     if (job.type === "buffer") {
       this._exec_buffer(job, offset, length);
-      offset += length;
+      moveOffset(length);
       continue;
     }
 
     if (job.type === "string") {
       this._exec_string(job, offset, length);
-      offset += length;
+      moveOffset(length);
       continue;
     }
 
     if (job.type === "skip") {
       this.jobs.shift();
-      offset += length;
+      moveOffset(length);
       continue;
     }
 
@@ -200,7 +206,7 @@ Dissolve.prototype._transform = function _transform(input, encoding, done) {
 
     this.jobs.shift();
 
-    offset += length;
+    moveOffset(length);
   }
 
   this._buffer.consume(offset);

From 4fd1556d0199a27dd0a6f9f22cb6648194301454 Mon Sep 17 00:00:00 2001
From: Samy Pesse <samypesse@gmail.com>
Date: Sat, 16 Apr 2016 19:28:41 +0200
Subject: [PATCH 2/2] Fix binding of this.offset

---
 index.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 9873876..95d12a2 100644
--- a/index.js
+++ b/index.js
@@ -119,13 +119,14 @@ Dissolve.prototype._exec_buffer = function _exec_buffer(job, offset, length) {
 };
 
 Dissolve.prototype._transform = function _transform(input, encoding, done) {
+  var that = this;
   var offset = 0;
 
   this._buffer.append(input);
 
   function moveOffset(value) {
     offset += value;
-    this.offset += value;
+    that.offset += value;
   }
 
   while (this.jobs.length) {