Created
          July 14, 2011 02:34 
        
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  | selectors: -> | |
| today = new Date() | |
| today.setMinutes(0) | |
| today.setHours(0) | |
| today.setSeconds(0) | |
| day = 1000*60*60*24 | |
| yesterday = today - day | |
| lastSunday = today - today.getDay() * day | |
| firstOfMonth = (date) -> | |
| date - day * new Date(date).getDate() + day | |
| beginningOfMonth = firstOfMonth(today) | |
| endOfMonth = firstOfMonth(beginningOfMonth + 31 * day) - day | |
| endOfLastMonth = beginningOfMonth - day | |
| beginningOfLastMonth = firstOfMonth(endOfLastMonth) | |
| return { | |
| "Yesterday": [yesterday, yesterday], | |
| "Last 7 days": [yesterday - 7 * day, yesterday] | |
| "This Week": [lastSunday, lastSunday + 7 * day] | |
| "Last Week": [lastSunday - 7 * day, lastSunday] | |
| "This Month": [beginningOfMonth, endOfMonth] | |
| "Last Month": [beginningOfLastMonth, endOfLastMonth] | |
| } | 
  
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