'use strict'

module.exports = orderedItems

var lineFeed = '\n'
var dot = '.'

var blank = lineFeed + lineFeed

// Visit ordered list items.
//
// Starts the list with
// `node.start` and increments each following list item
// bullet by one:
//
//     2. foo
//     3. bar
//
// In `incrementListMarker: false` mode, does not increment
// each marker and stays on `node.start`:
//
//     1. foo
//     1. bar
function orderedItems(node) {
  var self = this
  var fn = self.visitors.listItem
  var increment = self.options.incrementListMarker
  var values = []
  var start = node.start
  var children = node.children
  var length = children.length
  var index = -1
  var bullet

  start = start == null ? 1 : start

  while (++index < length) {
    bullet = (increment ? start + index : start) + dot
    values[index] = fn.call(self, children[index], node, index, bullet)
  }

  return values.join(node.spread ? blank : lineFeed)
}