From 773af07bf84d813eb05f1f1bf7742cc632eee504 Mon Sep 17 00:00:00 2001
From: Sam Beam <sbeam@syxyz.net>
Date: Wed, 12 Nov 2014 17:01:16 -0500
Subject: [PATCH] send deltas between sequential navigation.timing events

used standard set to avoid browser misimplementations or additions
(msFirstPaint). Ignored unloadEvent since that depends on the previous
document and is not always in the same sequence.
---
 bucky.coffee | 21 ++++++++++++++++-----
 bucky.js     | 16 +++++++++++++---
 bucky.min.js |  2 +-
 3 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/bucky.coffee b/bucky.coffee
index b5baa9a..a3ec955 100644
--- a/bucky.coffee
+++ b/bucky.coffee
@@ -82,9 +82,9 @@ exportDef = ->
           tagOptions[key] = true
         else if tagOptions[key]?.toString().toLowerCase is 'false'
           tagOptions[key] = null
-   
+
   options = extend {}, defaults, tagOptions
-    
+
   TYPE_MAP =
     'timer': 'ms'
     'gauge': 'g'
@@ -96,6 +96,11 @@ exportDef = ->
 
   HISTORY = []
 
+  EVENTS = ['navigationStart', 'redirectStart', 'redirectEnd', 'fetchStart', 'domainLookupStart', 'domainLookupEnd', \
+            'connectStart', 'connectEnd', 'secureConnectionStart', 'requestStart', 'responseStart', 'responseEnd', \
+            'domLoading', 'domInteractive', 'domContentLoadedEventStart', 'domContentLoadedEventEnd', \
+            'domComplete', 'loadEventStart', 'loadEventEnd']
+
   setOptions = (opts) ->
     extend options, opts
 
@@ -171,11 +176,11 @@ exportDef = ->
           sameOrigin = false
       else
         # Relative URL
-        
+
         sameOrigin = true
 
     sendStart = now()
-  
+
     body = ''
     for name, val of data
       body += "#{ name }:#{ val }\n"
@@ -384,9 +389,15 @@ exportDef = ->
       sentPerformanceData = true
 
       start = window.performance.timing.navigationStart
-      for key, time of window.performance.timing when typeof time is 'number'
+      for key, time of window.performance.timing when typeof time is 'number' and key != 'navigationStart'
         timer.send "#{ path }.#{ key }", (time - start)
 
+      for event in EVENTS
+        if typeof window.performance.timing[event] is 'number' and window.performance.timing[event] > 0
+          if typeof lastEvent != 'undefined'
+            timer.send "#{ path }.#{ event }.delta", (window.performance.timing[event] - window.performance.timing[lastEvent])
+          lastEvent = event
+
       return true
 
     requests = {
diff --git a/bucky.js b/bucky.js
index 360710a..47f52d6 100644
--- a/bucky.js
+++ b/bucky.js
@@ -50,7 +50,7 @@
   };
 
   exportDef = function() {
-    var $tag, ACTIVE, HISTORY, TYPE_MAP, client, considerSending, defaults, enqueue, flush, key, latencySent, makeClient, makeRequest, maxTimeout, options, queue, round, sendQueue, sendTimeout, setOptions, tagOptions, updateActive, updateLatency, _i, _len, _ref, _ref1, _ref2;
+    var $tag, ACTIVE, EVENTS, HISTORY, TYPE_MAP, client, considerSending, defaults, enqueue, flush, key, latencySent, makeClient, makeRequest, maxTimeout, options, queue, round, sendQueue, sendTimeout, setOptions, tagOptions, updateActive, updateLatency, _i, _len, _ref, _ref1, _ref2;
     defaults = {
       host: '/bucky',
       maxInterval: 30000,
@@ -91,6 +91,7 @@
       return ACTIVE = options.active && Math.random() < options.sample;
     })();
     HISTORY = [];
+    EVENTS = ['navigationStart', 'redirectStart', 'redirectEnd', 'fetchStart', 'domainLookupStart', 'domainLookupEnd', 'connectStart', 'connectEnd', 'secureConnectionStart', 'requestStart', 'responseStart', 'responseEnd', 'domLoading', 'domInteractive', 'domContentLoadedEventStart', 'domContentLoadedEventEnd', 'domComplete', 'loadEventStart', 'loadEventEnd'];
     setOptions = function(opts) {
       extend(options, opts);
       if ('sample' in opts || 'active' in opts) {
@@ -365,7 +366,7 @@
       };
       sentPerformanceData = false;
       sendPagePerformance = function(path) {
-        var start, time, _ref3, _ref4, _ref5,
+        var event, lastEvent, start, time, _j, _len1, _ref3, _ref4, _ref5,
           _this = this;
         if ((typeof window !== "undefined" && window !== null ? (_ref3 = window.performance) != null ? _ref3.timing : void 0 : void 0) == null) {
           return false;
@@ -391,10 +392,19 @@
         _ref5 = window.performance.timing;
         for (key in _ref5) {
           time = _ref5[key];
-          if (typeof time === 'number') {
+          if (typeof time === 'number' && key !== 'navigationStart') {
             timer.send("" + path + "." + key, time - start);
           }
         }
+        for (_j = 0, _len1 = EVENTS.length; _j < _len1; _j++) {
+          event = EVENTS[_j];
+          if (typeof window.performance.timing[event] === 'number' && window.performance.timing[event] > 0) {
+            if (typeof lastEvent !== 'undefined') {
+              timer.send("" + path + "." + event + ".delta", window.performance.timing[event] - window.performance.timing[lastEvent]);
+            }
+            lastEvent = event;
+          }
+        }
         return true;
       };
       requests = {
diff --git a/bucky.min.js b/bucky.min.js
index efd40ce..7d645d2 100644
--- a/bucky.min.js
+++ b/bucky.min.js
@@ -1,2 +1,2 @@
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