ezsystems/ezjscore — pull request #21 by dpobel (2012-06-19 19:24:39+00:00)
Title: Fixed #19487: Packer template operators do not execute optimizer when called with only one file

Actually, it seems like it's done like this on purpose [1] However, IMHO even with one file, executing the optimizer(s) might be useful but obviously one might have another opinion :)

[1] https://github.com/ezsystems/ezjscore/commit/e99dc53ea3bb01a1a857af00ec15f50878fa5626