Parameters of function as filename parameter are null/undefined about rotating-file-stream HOT 11 CLOSED

Hi, sorry for my late reply, I have been so busy on the past months.

Are you speaking about the first time your generator is called?
If your answer is yes, my answer is: yes, it is normal, the module calls your generator with null parameters at beginning in order to know the not rotated file name .

If your generator is always called with null parameters (first time and later ones), there is some problem.

If you are still interested, can you be more precise?
Thank you

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Closing due to lack of feedback

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@iccicci I'm having the same issue.
what does this mean:

"in order to know the not rotated file name ."

from rotating-file-stream.

Hi @ArtixZ,

can you please share the piece of code causing the issue?

Thank you,
iCC

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function generator(time, idx) {
    return `cmnportal-${time.getFullYear()}-${time.getMonth()}_${time.getDate()}.log`
  }
const accessLogStream = rfs(generator, {
    interval: '1d', // rotate daily
    path: logDirectory
  })

I'm creating log with morgan. It will have the error when trying to run up the node server.

from rotating-file-stream.

Sure @ArtixZ !

Please take a look at this paragraph:
https://www.npmjs.com/package/rotating-file-stream#function-filenametime-index
Looking at your code I guess you probably could be interested to this other paragraph:
https://www.npmjs.com/package/rotating-file-stream#immutable

Please give me some feedback; closing the issue if those readings solve your problem is enough.

Thank you,
iCC

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Hi @ArtixZ ,

any news on this topic?

Thank you,
iCC

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Thanks for replying & sorry for responding late.
I've read these previously, but still wondering why the starting date is null. What if I want the the starting date when starting my server.

from rotating-file-stream.

Hi @ArtixZ ,

have you tried the immutable option?

Please let me know,
iCC

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Yep. Immutable is working.
Can you confirm if it works in this way without immutable:
time will be null, and I'm going to return a static file name. Once this rotation period is over, this static file will be renamed and a timestamp will be there in the name. Which means, the file will become a history.

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Hi @ArtixZ ,

I confirm, it works exactly as you described.

Thank you,
iCC

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