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Contents
module Koala
module Utils
# Utility methods used by Koala.
require 'logger'
require 'forwardable'
extend Forwardable
extend self
def_delegators :logger, :debug, :info, :warn, :error, :fatal, :level, :level=
# The Koala logger, an instance of the standard Ruby logger, pointing to STDOUT by default.
# In Rails projects, you can set this to Rails.logger.
attr_accessor :logger
self.logger = Logger.new(STDOUT)
self.logger.level = Logger::ERROR
# @private
DEPRECATION_PREFIX = "KOALA: Deprecation warning: "
# Prints a deprecation message.
# Each individual message will only be printed once to avoid spamming.
def deprecate(message)
@posted_deprecations ||= []
unless @posted_deprecations.include?(message)
# only include each message once
Kernel.warn("#{DEPRECATION_PREFIX}#{message}")
@posted_deprecations << message
end
end
# Ensures that a hash uses symbols as opposed to strings
# Useful for allowing either syntax for end users
def symbolize_hash(hash)
return hash unless hash.is_a?(Hash)
hash.inject({}){ |memo,(key,value)| memo[key.to_sym] = symbolize_hash(value); memo }
end
end
end
Version data entries
26 entries across 26 versions & 1 rubygems