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Contents
# Class represents a lono option that is possibly callable. Examples:
#
# config.allow.envs
# config.allow.regions
# config.deny.envs
# config.deny.regions
#
# Abstraction is definitely obtuse. Using it to get rid of duplication.
#
class Lono::App
class CallableOption
include Lono::Utils::Logging
def initialize(options={})
@options = options
# Example:
# config_name: config.allow.envs
# config_value: ["dev"]
# args: [@stack_name] # passed to object.call
@config_name = options[:config_name]
@config_value = options[:config_value]
@passed_args = options[:passed_args]
end
# Returns either an Array or nil
def object
case @config_value
when nil
return nil
when Array
return @config_value
when -> (c) { c.respond_to?(:public_instance_methods) && c.public_instance_methods.include?(:call) }
object= @config_value.new
when -> (c) { c.respond_to?(:call) }
object = @config_value
else
raise "Invalid option for #{@config_name}"
end
if object
result = @passed_args.empty? ? object.call : object.call(*@passed_args)
unless result.is_a?(Array) || result.is_a?(NilClass)
message = "ERROR: The #{@config_name} needs to return an Array or nil"
logger.info message.color(:yellow)
logger.info <<~EOL
The #{@config_name} when assigned a class, object, or proc must implement
the call method and return an Array or nil.
The current return value is a #{result.class}
EOL
raise message
end
end
result
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems