From a01c2896eb3d82dc4704b4c98f91822af6edd1f2 Mon Sep 17 00:00:00 2001
From: Tim Lancina <tim@drifty.com>
Date: Thu, 11 Jun 2015 12:33:40 -0500
Subject: [PATCH] get in the zone

---
 scripts/e2e/ionic.template.html            |  9 +--
 scripts/resources/long-stack-trace-zone.js | 88 ++++++++++++++++++++++
 2 files changed, 91 insertions(+), 6 deletions(-)
 create mode 100644 scripts/resources/long-stack-trace-zone.js

diff --git a/scripts/e2e/ionic.template.html b/scripts/e2e/ionic.template.html
index acabaf6b2c..3b51532362 100644
--- a/scripts/e2e/ionic.template.html
+++ b/scripts/e2e/ionic.template.html
@@ -22,12 +22,7 @@
 
   <!-- web animations polyfill for non-chrome browsers -->
   <script src="/../../../../dist/vendor/web-animations-js/web-animations.min.js"></script>
-
-  <script src="/../../../../scripts/resources/zone-microtask.js" type="text/javascript"></script>
-  <!-- <script src="long-stack-trace-zone.js" type="text/javascript"></script> -->
-  <!-- <script src="traceur-runtime.js" type="text/javascript"></script>
-  <script src="system.src.js" type="text/javascript"></script>
-  <script src="extension-register.js" type="text/javascript"></script>
+  <!--<script src="extension-register.js" type="text/javascript"></script>
   <script src="extension-cjs.js" type="text/javascript"></script>
   <script src="runtime_paths.js" type="text/javascript"></script> -->
   <script src="/../../../../scripts/resources/traceur-runtime.js" type="text/javascript"></script>
@@ -36,6 +31,8 @@
   <script src="/../../../../config.js"></script>
   <script src="/../../../../dist/js/dependencies.js"></script>
   <script src="/../../../../dist/js/ionic.bundle.js"></script>
+  <script src="/../../../../scripts/resources/zone-microtask.js" type="text/javascript"></script>
+  <script src="/../../../../scripts/resources/long-stack-trace-zone.js" type="text/javascript"></script>
 <!-- <script src="../../../../bundle.js"></script> -->
   <script type="text/javascript">System.import(window.location.pathname.substring(1) + 'index').then(function(m) { m.main(); }, console.error.bind(console))</script>
 </body>
diff --git a/scripts/resources/long-stack-trace-zone.js b/scripts/resources/long-stack-trace-zone.js
new file mode 100644
index 0000000000..47d1c127de
--- /dev/null
+++ b/scripts/resources/long-stack-trace-zone.js
@@ -0,0 +1,88 @@
+/*
+ * Wrapped stacktrace
+ *
+ * We need this because in some implementations, constructing a trace is slow
+ * and so we want to defer accessing the trace for as long as possible
+ */
+Zone.Stacktrace = function (e) {
+  this._e = e;
+};
+Zone.Stacktrace.prototype.get = function () {
+  if (zone.stackFramesFilter) {
+    return this._e.stack.
+        split('\n').
+        filter(zone.stackFramesFilter).
+        join('\n');
+  }
+  return this._e.stack;
+}
+
+Zone.getStacktrace = function () {
+  function getStacktraceWithUncaughtError () {
+    return new Zone.Stacktrace(new Error());
+  }
+
+  function getStacktraceWithCaughtError () {
+    try {
+      throw new Error();
+    } catch (e) {
+      return new Zone.Stacktrace(e);
+    }
+  }
+
+  // Some implementations of exception handling don't create a stack trace if the exception
+  // isn't thrown, however it's faster not to actually throw the exception.
+  var stack = getStacktraceWithUncaughtError();
+  if (stack && stack._e.stack) {
+    Zone.getStacktrace = getStacktraceWithUncaughtError;
+    return stack;
+  } else {
+    Zone.getStacktrace = getStacktraceWithCaughtError;
+    return Zone.getStacktrace();
+  }
+};
+
+Zone.longStackTraceZone = {
+  getLongStacktrace: function (exception) {
+    var trace = [];
+    var zone = this;
+    if (exception) {
+      if (zone.stackFramesFilter) {
+        trace.push(exception.stack.split('\n').
+            filter(zone.stackFramesFilter).
+            join('\n'));
+      } else {
+        trace.push(exception.stack);
+      }
+    }
+    var now = Date.now();
+    while (zone && zone.constructedAtException) {
+      trace.push(
+          '--- ' + (Date(zone.constructedAtTime)).toString() +
+            ' - ' + (now - zone.constructedAtTime) + 'ms ago',
+          zone.constructedAtException.get());
+      zone = zone.parent;
+    }
+    return trace.join('\n');
+  },
+
+  stackFramesFilter: function (line) {
+    return line.indexOf('zone.js') === -1;
+  },
+
+  onError: function (exception) {
+    var reporter = this.reporter || console.log.bind(console);
+    reporter(exception.toString());
+    reporter(this.getLongStacktrace(exception));
+  },
+
+  '$fork': function (parentFork) {
+    return function() {
+      var newZone = parentFork.apply(this, arguments);
+      newZone.constructedAtException = Zone.getStacktrace();
+      newZone.constructedAtTime = Date.now();
+      return newZone;
+    }
+  }
+};
+