Puppet Function: camelcase

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

Overview

camelcase()Any

Converts the case of a string or all strings in an array to camel case.

Returns:

  • (Any)


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# File 'modules/stdlib/lib/puppet/parser/functions/camelcase.rb', line 6

newfunction(:camelcase, :type => :rvalue, :doc => <<-DOC
  Converts the case of a string or all strings in an array to camel case.
DOC
           ) do |arguments|

  raise(Puppet::ParseError, "camelcase(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?

  value = arguments[0]
  klass = value.class

  unless [Array, String].include?(klass)
    raise(Puppet::ParseError, 'camelcase(): Requires either array or string to work with')
  end

  result = if value.is_a?(Array)
             # Numbers in Puppet are often string-encoded which is troublesome ...
             value.map { |i| i.is_a?(String) ? i.split('_').map { |e| e.capitalize }.join : i }
           else
             value.split('_').map { |e| e.capitalize }.join
           end

  return result
end