Save timestamp to firesote using cloud functions

Question

How do I save a timestamp value to firestore using cloud functions.

I tried this (adding 30 days to the timestamp) but it ends up saving the value as a number

var now = new Date();

   await docRef.update({
       'subscription':{
          package:req.query.package,
          endDate: now.setTime(now.getTime()+(30 *24+60+60+1000))
        }
     })

Answer 1

If you want to add days to the date, then you should setDate() instead. By using setTime() you're setting the time instead of the date. See code below:

var now = new Date();
now.setDate(now.getDate() + 30);

   await docRef.update({
       'subscription':{
          package: req.query.package,
          endDate: now
        }
     })

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For more information, you should check out this documentations:

• Date.prototype.setDate()
• Date.prototype.getDate()