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# frozen_string_literal: true
# Top-level Puppet functions
module Puppet::Parser::Functions
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
end
# vim: set ts=2 sw=2 et :
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