hubot-decide/src/decide.coffee

A decider-in-chief for hubot

# Description:
#   Decides between two or more options mentioned in a chat room.
#
# Commands:
#   [decide|choose|pick] between(:) <option 1> and|or <option 2> (and|or <option #> ...)
#
# Author:
#   Michi Kono
 
module.exports = (robot) ->
    robot.hear new RegExp('((decide|choose|pick)\\s*(between):?)\\s+([^.?!]+\\s+(or|and)\\s+[^.?!]+)', 'i'), (msg) ->
        msg.send ('Let\'s go with ') + msg.random(
            msg.match[4].split(' ' + msg.match[5] + ' ').map(
                # trim and strip special trailing/starting characters
                (s) -> s.replace(/^\s+|\s+$/g, '').replace(/\b[^\w]+$|^[^\w]+\b/i, '')
            ).filter((x) -> !!x) # filter empty choices
        )