Puppet Function: array_suffix

Defined in:
lib/puppet/parser/functions/array_suffix.rb
Function type:
Ruby 3.x API

Overview

array_suffix() ⇒ Any

Returns:

  • (Any) 


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# File 'lib/puppet/parser/functions/array_suffix.rb', line 5

newfunction(
  :array_suffix,
  type: :rvalue,
  doc: <<~EOS,
    This function applies a suffix to all elements in an array.

    *Examples:*

        array_suffix(['a','b','c'], 'p')

    Will return: ['ap','bp','cp']

    @return Array
  EOS
) do |arguments|
  # Technically we support two arguments but only first is mandatory ...
  if arguments.empty?
    raise(Puppet::ParseError, 'array_suffix(): Wrong number of arguments ' \
                              "given (#{arguments.size} for 1)")
  end

  array = arguments[0]

  raise Puppet::ParseError, "array_suffix(): expected first argument to be an Array, got #{array.inspect}" unless array.is_a?(Array)

  suffix = arguments[1] if arguments[1]

  raise Puppet::ParseError, "array_suffix(): expected second argument to be a String, got #{suffix.inspect}" if suffix && !(suffix.is_a? String)

  # Turn everything into string same as join would do ...
  result = array.map do |i|
    i = i.to_s
    suffix ? i + suffix : i
  end

  return result
end