From f1963a719812202374854922fd1eb29235338fdf Mon Sep 17 00:00:00 2001
From: LaunchDarklyCI <dev@launchdarkly.com>
Date: Tue, 30 Jun 2020 00:48:01 +0000
Subject: [PATCH] Releasing version 1.3.1

---
 CHANGELOG.md                    |  4 ++++
 example/eventsource-polyfill.js | 11 +++++++++--
 package.json                    |  2 +-
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1fa81fe..1180812 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to this package will be documented in this file.
 
+## [1.3.1] - 2020-06-29
+### Fixed:
+- Incorporated [a fix](https://github.com/EventSource/eventsource/pull/130) from the upstream repository that avoids unnecessary delays when parsing a long message that is received in multiple chunks.
+
 ## [1.3.0] - 2020-04-23
 ### Added:
 - A Node.js `http.Agent` can be specified using the `agent` option.
diff --git a/example/eventsource-polyfill.js b/example/eventsource-polyfill.js
index 0d55aa2..5d5d1bb 100644
--- a/example/eventsource-polyfill.js
+++ b/example/eventsource-polyfill.js
@@ -6666,6 +6666,8 @@ function EventSource (url, eventSourceInitDict) {
       // Source/WebCore/page/EventSource.cpp
       var isFirst = true
       var buf
+      var startingPos = 0
+      var startingFieldLength = -1
       res.on('data', function (chunk) {
         buf = buf ? Buffer.concat([buf, chunk]) : chunk
         if (isFirst && hasBom(buf)) {
@@ -6685,10 +6687,10 @@ function EventSource (url, eventSourceInitDict) {
           }
 
           var lineLength = -1
-          var fieldLength = -1
+          var fieldLength = startingFieldLength
           var c
 
-          for (var i = pos; lineLength < 0 && i < length; ++i) {
+          for (var i = startingPos; lineLength < 0 && i < length; ++i) {
             c = buf[i]
             if (c === colon) {
               if (fieldLength < 0) {
@@ -6703,7 +6705,12 @@ function EventSource (url, eventSourceInitDict) {
           }
 
           if (lineLength < 0) {
+            startingPos = length - pos
+            startingFieldLength = fieldLength
             break
+          } else {
+            startingPos = 0
+            startingFieldLength = -1
           }
 
           parseEventStreamLine(buf, pos, fieldLength, lineLength)
diff --git a/package.json b/package.json
index 65a61db..91a42c7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "launchdarkly-eventsource",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "Fork of eventsource package - W3C compliant EventSource client for Node.js and browser (polyfill)",
   "keywords": [
     "eventsource",