app/assets/javascripts/modules/mod-time-ago.js.coffee
# Desc
# nn分前をjsで表示する
# `.js-time-ago`クラスのついた要素の`data-time-ago-at`属性を時刻に変換
# Usage:
# <abbr class="js-time-ago" data-time-ago-at="2014-03-12 00:27:57 +0900"></abbr>
# Example:
# <abbr class="js-time-ago" data-time-ago-at="2014-03-12 00:27:57 +0900">a minute ago</abbr>
$ ->
renderTimeAgo = ->
$('.js-time-ago').each ->
$this = $(@)
$this.text moment($this.data('time-ago-at')).fromNow()
setInterval(renderTimeAgo, 1000 * 10)
renderTimeAgo()