gen-id v0.1.1

GenID

var genId = require('gen-id')('nnnnnnnc')
  , orderId = genId.generate()

console.log(orderId)

Initial available formats:

• n - numeric 0-9
• a - alphabetical a-z
• A - alphabetical (case inclusive) a-zA-Z
• h - hexadecimal 0-9a-f
• x - alpha-numeric 0-9a-z
• X - alpha-numeric (case inclusive) 0-9a-zA-Z
• c - checksum

You can change the format at any point by using genId.setFormat()