module Toys::Completion

def self.create(spec = nil, **options, &block)

Returns:
  • (Toys::Completion::Base, Proc) -

Parameters:
  • block (Proc) -- See the description for recognized forms.
  • options (Hash) -- Additional options to pass to the completion.
  • spec (Object) -- See the description for recognized values. 
def self.create(spec = nil, **options, &block)
  if spec.is_a?(::Hash)
    options = options.merge(spec)
    spec = nil
  end
  spec ||= options.delete(:"") || block
  case spec
  when nil, :empty, :default
    EMPTY
  when ::Proc, Base
    spec
  when ::Array
    Enum.new(spec, **options)
  when :file_system
    FileSystem.new(**options)
  when ::Class
    spec.new(**options)
  else
    if spec.respond_to?(:call)
      spec
    else
      raise ToolDefinitionError, "Illegal completion spec: #{spec.inspect}"
    end
  end
end

def self.scalarize_spec(spec, options, block)

# @private 
def self.scalarize_spec(spec, options, block)
  spec ||= block
  if options.empty?
    spec
  elsif spec
    options.merge({"": spec})
  else
    options
  end
end