module.exports = function()

in fqn.js [30:46]

• 15 lines of code
• 12 McCabe index (conditional complexity)

module.exports = function (name) {
  if (typeof name !== 'string') throw new Error('Name must be a string')
  if (name.trim().length === 0) throw new Error('Name is not valid')
  name = name.trim()
  const delimiter = '/'
  const parts = name.split(delimiter)
  const n = parts.length
  const leadingSlash = name[0] === delimiter
  // no more than /ns/p/a
  if (n < 1 || n > 4 || (leadingSlash && n === 2) || (!leadingSlash && n === 4)) throw new Error('Name is not valid')
  // skip leading slash, all parts must be non empty (could tighten this check to match EntityName regex)
  parts.forEach(function (part, i) { if (i > 0 && part.trim().length === 0) throw new Error('Name is not valid') })
  const newName = parts.join(delimiter)
  if (leadingSlash) return newName
  else if (n < 3) return `${delimiter}_${delimiter}${newName}`
  else return `${delimiter}${newName}`
}