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Contents
# frozen_string_literal: true
module Karafka
# Env management class to get and set environment for Karafka
class Env < String
# Keys where we look for environment details for Karafka
LOOKUP_ENV_KEYS = %w[
KARAFKA_ENV
RACK_ENV
RAILS_ENV
].freeze
# Default fallback env
DEFAULT_ENV = 'development'
private_constant :LOOKUP_ENV_KEYS, :DEFAULT_ENV
# @return [Karafka::Env] env object
# @note Will load appropriate environment automatically
def initialize
super('')
LOOKUP_ENV_KEYS
.map { |key| ENV[key] }
.compact
.first
.then { |env| env || DEFAULT_ENV }
.then { |env| replace(env) }
end
# @param method_name [String] method name
# @param include_private [Boolean] should we include private methods as well
# @return [Boolean] true if we respond to a given missing method, otherwise false
def respond_to_missing?(method_name, include_private = false)
(method_name[-1] == '?') || super
end
# Reacts to missing methods, from which some might be the env checks.
# If the method ends with '?' we assume, that it is an env check
# @param method_name [String] method name for missing or env name with question mark
# @param arguments [Array] any arguments that we pass to the method
def method_missing(method_name, *arguments)
method_name[-1] == '?' ? self == method_name[0..-2] : super
end
end
end
Version data entries
112 entries across 112 versions & 1 rubygems