Puppet Function: compact_hash

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

Overview

compact_hash() ⇒ Any

Hash keys with empty or undef values are deleted. Returns resulting Hash.

Returns:

  • (Any) 


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# File 'lib/puppet/parser/functions/compact_hash.rb', line 2

newfunction(:compact_hash, :type => :rvalue, :doc => <<-EOS
Hash keys with empty or undef values are deleted. Returns resulting Hash.
  EOS
) do |args|

  e = "compact_hash(): Wrong number of args: #{args.size} for 1"
  raise(Puppet::ParseError, e) if args.size != 1

  the_hash = args.shift
  raise(Puppet::ParseError, "arg was not a Hash") unless the_hash.is_a? Hash

  the_hash.delete_if do |k,v|
    (v.empty? if v.respond_to? :empty?) or v == :undef or v.nil?
  end
end