Date manipulation with moment.js

In my recent project, I have a filter as the image bellow:

Screen Shot 2015-12-25 at 11.16.17 AM

The period dropdown field have some options:

  • Today
  • Yesterday
  • Week to date
  • Last week
  • Month to date
  • Last month

and when you change the Period, the Date From and Date To should be changed with corresponding data.

For example, let’s say today is 25/12/2015. So:

  • When we choose Today, the values will be 25/12/2015
  • When we choose Yesterday, the values will be 24/12/2015
  • When we choose Week to date, the values will be 21/12/2015 and 25/12/2015 respectively
  • When we choose Last week, the values will be 14/12/2015 and 20/12/2015 respectively
  • When we choose Month to date, the values will be 01/12/2015 and 25/12/2015 respectively
  • And finally, when we choose Last month, the values will be 01/11/2015 and 30/11/2015

If you implement this function by pure Javascript you may have some difficulty such as how to get the last day of specific month, how to get the begin & end date of a week…

Fortunately, we have moment.js library which help us manipulate with datetime in Javascript very easy.

The above requirements can be done by small line of codes (in my case, I use AngularJS)

Much easier, right?
 

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