lunr.TokenSet.fromString = function()

in miredot/lib/lunr/js/lunr.js [1380:1417]

• 23 lines of code
• 4 McCabe index (conditional complexity)

lunr.TokenSet.fromString = function (str) {
  var node = new lunr.TokenSet,
      root = node,
      wildcardFound = false

  /*
   * Iterates through all characters within the passed string
   * appending a node for each character.
   *
   * As soon as a wildcard character is found then a self
   * referencing edge is introduced to continually match
   * any number of any characters.
   */
  for (var i = 0, len = str.length; i < len; i++) {
    var char = str[i],
        final = (i == len - 1)

    if (char == "*") {
      wildcardFound = true
      node.edges[char] = node
      node.final = final

    } else {
      var next = new lunr.TokenSet
      next.final = final

      node.edges[char] = next
      node = next

      // TODO: is this needed anymore?
      if (wildcardFound) {
        node.edges["*"] = root
      }
    }
  }

  return root
}