From 6a27c1bf7805e75febe107093b414ead45588121 Mon Sep 17 00:00:00 2001
From: Max Goodman <c@chromakode.com>
Date: Fri, 25 Apr 2014 14:15:25 -0700
Subject: [PATCH] Add iso8601 polyfill necessary for timetext in old browsers.

---
 r2/r2/lib/js.py                       |  1 +
 r2/r2/public/static/js/lib/iso8601.js | 41 +++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 r2/r2/public/static/js/lib/iso8601.js

diff --git a/r2/r2/lib/js.py b/r2/r2/lib/js.py
index 45466c1ba..6b898dad5 100755
--- a/r2/r2/lib/js.py
+++ b/r2/r2/lib/js.py
@@ -450,6 +450,7 @@ module["reddit"] = LocalizedModule("reddit.js",
     "lib/jquery.cookie.js",
     "lib/jquery.url.js",
     "lib/backbone-1.0.0.js",
+    "lib/iso8601.js",
     "templates.js",
     "scrollupdater.js",
     "timetext.js",
diff --git a/r2/r2/public/static/js/lib/iso8601.js b/r2/r2/public/static/js/lib/iso8601.js
new file mode 100644
index 000000000..8b2e9a810
--- /dev/null
+++ b/r2/r2/public/static/js/lib/iso8601.js
@@ -0,0 +1,41 @@
+/**
+ * Date.parse with progressive enhancement for ISO 8601 <https://github.com/csnover/js-iso8601>
+ * © 2011 Colin Snover <http://zetafleet.com>
+ * Released under MIT license.
+ */
+(function (Date, undefined) {
+    var origParse = Date.parse, numericKeys = [ 1, 4, 5, 6, 7, 10, 11 ];
+    Date.parse = function (date) {
+        var timestamp, struct, minutesOffset = 0;
+
+        // ES5 §15.9.4.2 states that the string should attempt to be parsed as a Date Time String Format string
+        // before falling back to any implementation-specific date parsing, so that’s what we do, even if native
+        // implementations could be faster
+        //              1 YYYY                2 MM       3 DD           4 HH    5 mm       6 ss        7 msec        8 Z 9 ±    10 tzHH    11 tzmm
+        if ((struct = /^(\d{4}|[+\-]\d{6})(?:-(\d{2})(?:-(\d{2}))?)?(?:T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d{3}))?)?(?:(Z)|([+\-])(\d{2})(?::(\d{2}))?)?)?$/.exec(date))) {
+            // avoid NaN timestamps caused by “undefined” values being passed to Date.UTC
+            for (var i = 0, k; (k = numericKeys[i]); ++i) {
+                struct[k] = +struct[k] || 0;
+            }
+
+            // allow undefined days and months
+            struct[2] = (+struct[2] || 1) - 1;
+            struct[3] = +struct[3] || 1;
+
+            if (struct[8] !== 'Z' && struct[9] !== undefined) {
+                minutesOffset = struct[10] * 60 + struct[11];
+
+                if (struct[9] === '+') {
+                    minutesOffset = 0 - minutesOffset;
+                }
+            }
+
+            timestamp = Date.UTC(struct[1], struct[2], struct[3], struct[4], struct[5] + minutesOffset, struct[6], struct[7]);
+        }
+        else {
+            timestamp = origParse ? origParse(date) : NaN;
+        }
+
+        return timestamp;
+    };
+}(Date));
\ No newline at end of file