Coffeescript / Underscore form serialization

formserialization.coffee

  serializeForm: ($el) ->
    return _.reduce($el.serializeArray(), (memo, v) -> 
      if v.name.match(/\[\]/)
        v.name = v.name.replace(/\[\]/,'')
        memo[v.name] ?= []
        memo[v.name].push(v.value)
      else
        memo[v.name] = v.value
      memo
    , {});