Verbose

If you want the installer to give you more detailed information of what it was doing during installation process, use install with verbose option:

installer.install([__dirname + '/modules'], true); // verbose set to true. False by default.

Output in console will look like:

DISCOVERING MODULES
Found 1 modules under '/home/projects/test/modules'
--------------------------------
Installing Module: [sample] at '/home/projects/test/modules/sample'
Pre-installation Check FOUND.
Pre-installation Check PASSED.
Installing module.
Module installed.
Post-installation Check FOUND.
Post-installation Check COMPLETED.
--------------------------------
All modules installed.
Found Final Check for [sample].
Final Check PASSED.
--------------------------------
INSTALLATION COMPLETED