add js relative date calculator so that "3 minutes ago" will be updated when it gets to 4 minutes.

1 files changed, 152 insertions, 0 deletions

diff --git a/library/jquery.timeago.js b/library/jquery.timeago.js
new file mode 100644
index 000000000..c61405dfc
--- /dev/null
+++ b/library/jquery.timeago.js
@@ -0,0 +1,152 @@
+/**
+ * Timeago is a jQuery plugin that makes it easy to support automatically
+ * updating fuzzy timestamps (e.g. "4 minutes ago" or "about 1 day ago").
+ *
+ * @name timeago
+ * @version 0.11.4
+ * @requires jQuery v1.2.3+
+ * @author Ryan McGeary
+ * @license MIT License - http://www.opensource.org/licenses/mit-license.php
+ *
+ * For usage and examples, visit:
+ * http://timeago.yarp.com/
+ *
+ * Copyright (c) 2008-2012, Ryan McGeary (ryan -[at]- mcgeary [*dot*] org)
+ */
+(function($) {
+	$.timeago = function(timestamp) {
+		if (timestamp instanceof Date) {
+			return inWords(timestamp);
+		} else if (typeof timestamp === "string") {
+			return inWords($.timeago.parse(timestamp));
+		} else if (typeof timestamp === "number") {
+			return inWords(new Date(timestamp));
+		} else {
+			return inWords($.timeago.datetime(timestamp));
+		}
+	};
+	var $t = $.timeago;
+
+	$.extend($.timeago, {
+			settings: {
+				refreshMillis: 60000,
+					allowFuture: false,
+					strings: {
+					prefixAgo: null,
+						prefixFromNow: null,
+						suffixAgo: "ago",
+						suffixFromNow: "from now",
+						seconds: "less than a minute",
+						minute: "about a minute",
+						minutes: "%d minutes",
+						hour: "about an hour",
+						hours: "about %d hours",
+						day: "a day",
+						days: "%d days",
+						month: "about a month",
+						months: "%d months",
+						year: "about a year",
+						years: "%d years",
+						wordSeparator: " ",
+						numbers: []
+						}
+			},
+				inWords: function(distanceMillis) {
+				var $l = this.settings.strings;
+				var prefix = $l.prefixAgo;
+				var suffix = $l.suffixAgo;
+				if (this.settings.allowFuture) {
+					if (distanceMillis < 0) {
+						prefix = $l.prefixFromNow;
+						suffix = $l.suffixFromNow;
+					}
+				}
+
+				var seconds = Math.abs(distanceMillis) / 1000;
+				var minutes = seconds / 60;
+				var hours = minutes / 60;
+				var days = hours / 24;
+				var years = days / 365;
+
+				function substitute(stringOrFunction, number) {
+					var string = $.isFunction(stringOrFunction) ? stringOrFunction(number, distanceMillis) : stringOrFunction;
+					var value = ($l.numbers && $l.numbers[number]) || number;
+					return string.replace(/%d/i, value);
+				}
+
+				var words = seconds < 45 && substitute($l.seconds, Math.round(seconds)) ||
+					seconds < 90 && substitute($l.minute, 1) ||
+					minutes < 45 && substitute($l.minutes, Math.round(minutes)) ||
+					minutes < 90 && substitute($l.hour, 1) ||
+					hours < 24 && substitute($l.hours, Math.round(hours)) ||
+					hours < 42 && substitute($l.day, 1) ||
+					days < 30 && substitute($l.days, Math.round(days)) ||
+					days < 45 && substitute($l.month, 1) ||
+					days < 365 && substitute($l.months, Math.round(days / 30)) ||
+					years < 1.5 && substitute($l.year, 1) ||
+					substitute($l.years, Math.round(years));
+
+				var separator = $l.wordSeparator === undefined ?  " " : $l.wordSeparator;
+				return $.trim([prefix, words, suffix].join(separator));
+			},
+				parse: function(iso8601) {
+				var s = $.trim(iso8601);
+				s = s.replace(/\.\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);
+			},
+				datetime: function(elem) {
+				var iso8601 = $t.isTime(elem) ? $(elem).attr("datetime") : $(elem).attr("title");
+				return $t.parse(iso8601);
+			},
+				isTime: function(elem) {
+				// jQuery's `is()` doesn't play well with HTML5 in IE
+				return $(elem).get(0).tagName.toLowerCase() === "time"; // $(elem).is("time");
+			}
+		});
+
+	$.fn.timeago = function() {
+		var self = this;
+		self.each(refresh);
+
+		var $s = $t.settings;
+		if ($s.refreshMillis > 0) {
+			setInterval(function() { self.each(refresh); }, $s.refreshMillis);
+		}
+		return self;
+	};
+
+	function refresh() {
+		var data = prepareData(this);
+		if (!isNaN(data.datetime)) {
+			$(this).text(inWords(data.atetime));
+		}
+		return this;
+	}
+
+	function prepareData(element) {
+		element = $(element);
+		if (!element.data("timeago")) {
+			element.data("timeago", { datetime: $t.datetime(element) });
+			var text = $.trim(element.text());
+			if (text.length > 0 && !($t.isTime(element) && element.attr("title"))) {
+				element.attr("title", text);
+			}
+		}
+		return element.data("timeago");
+	}
+
+	function inWords(date) {
+		return $t.inWords(distance(date));
+	}
+
+	function distance(date) {
+		return (new Date().getTime() - date.getTime());
+	}
+
+	// fix for IE6 suckage
+	document.createElement("abbr");
+	document.createElement("time");
+}(jQuery));