Sha256: c2c9dca373acb2f7716a9958584deb7ab3860e9ff7aa21921d3aa95c521594c7
Contents?: true
Size: 1.73 KB
Versions: 10
Compression:
Stored size: 1.73 KB
Contents
require 'forwardable'
module Wright
# Configuration container, wraps a regular Ruby hash.
#
# Useful for getting and setting configuration values, such as
# logging verbosity, color output and provider configuration.
#
# @example
# Wright::Config[:foo] = { bar: :baz }
# Wright::Config[:foo][:bar]
# # => :baz
class Config
@config_hash = {}
class << self
extend Forwardable
def_delegators :@config_hash, :[], :[]=, :size
end
private_class_method :new
# Checks if a (nested) configuration value is set.
#
# @param path [Array<Symbol>] the configuration key
#
# @example
# Wright::Config[:foo] = { bar: :baz }
# Wright::Config.nested_key?(:foo, :bar)
# # => true
#
# Wright::Config.nested_key?(:this, :doesnt, :exist)
# # => false
#
# @return [Bool] true if the configuration value is set and false
# otherwise.
def self.nested_key?(*path)
last_key = path.pop
last_hash = path.reduce(@config_hash) do |hash, key|
return false unless hash.respond_to?(:fetch)
hash.fetch(key, {})
end
last_hash.respond_to?(:key?) && last_hash.key?(last_key)
end
# Retrieves a (nested) configuration value.
#
# @param path [Array<Symbol>] the configuration key
#
# @example
# Wright::Config[:foo] = { bar: :baz }
# Wright::Config.nested_value(:foo, :bar)
# # => :baz
#
# Wright::Config.nested_value(:this, :doesnt, :exist)
# # => nil
#
# @return the configuration value or nil if the value is not set
def self.nested_value(*path)
nested_key?(*path) ? path.reduce(@config_hash) { |a, e| a[e] } : nil
end
end
end
Wright::Config[:resources] ||= {}
Version data entries
10 entries across 10 versions & 1 rubygems