local-time.js: convert times into user's timezone

1 files changed, 42 insertions, 0 deletions

diff --git a/js/local-time.js b/js/local-time.js
new file mode 100644
index 00000000..6d0a163a
--- /dev/null
+++ b/js/local-time.js
@@ -0,0 +1,42 @@
+/*
+ * local-time.js
+ * https://github.com/savetheinternet/Tinyboard-Tools/blob/master/js/local-time.js
+ *
+ * Released under the MIT license
+ * Copyright (c) 2012 Michael Save <savetheinternet@tinyboard.org>
+ *
+ * Usage:
+ *   $config['quick_reply'] = true;
+ *   $config['additional_javascript'][] = 'js/jquery.min.js';
+ *   $config['additional_javascript'][] = 'js/local-time.js';
+ *
+ */
+
+$(document).ready(function(){
+	var iso8601 = function(s) {
+		s = s.replace(/\.\d\d\d+/,""); // remove milliseconds
+		s = s.replace(/-/,"/").replace(/-/,"/");
+		s = s.replace(/T/," ").replace(/Z/," UTC");
+		s = s.replace(/([\+\-]\d\d)\:?(\d\d)/," $1$2"); // -04:00 -> -0400
+		return new Date(s);
+	};
+	var zeropad = function(num, count) {
+		return [Math.pow(10, count - num.toString().length), num].join('').substr(1);
+	};
+	
+	$('time').each(function() {
+		if(!$(this).text().match(/^\d+\/\d+\/\d+ \(\w+\) \d+:\d+:\d+$/))
+			return;
+		
+		var t = iso8601($(this).attr('datetime'));
+		
+		$(this).text(
+			// date
+			zeropad(t.getMonth() + 1, 2) + "/" + zeropad(t.getDate(), 2) + "/" + t.getFullYear().toString().substring(2) +
+			" (" + ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"][t.getDay()]  + ") " +
+			// time
+			zeropad(t.getHours(), 2) + ":" + zeropad(t.getMinutes(), 2) + ":" + zeropad(t.getSeconds(), 2)
+		);
+	});
+});
+