Convert jQuery's `serializeArray` output into an object that better matches the structure of an HTTP request or POST body.

serialize-form-as-object.coffee

module.exports = (serializeArrayResult) ->
  obj = {}
  arr = serializeArrayResult

  for pair in arr
    if obj[pair.name] isnt undefined
      if !Array.isArray obj[pair.name]
        # Convert existing single value to an array:
        obj[pair.name] = [obj[pair.name]]

      obj[pair.name].push(pair.value or '')
    else
      obj[pair.name] = pair.value or ''

  obj