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Versions: 7
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Contents
class ENVied
# Responsible for anything related to the ENV.
class EnvProxy
attr_reader :config, :coercer, :groups
private :config, :coercer, :groups
def initialize(config, **options)
@config = config
@coercer = options.fetch(:coercer, ENVied::Coercer.new)
@groups = options.fetch(:groups, [])
end
def missing_variables
variables.select(&method(:missing?))
end
def uncoercible_variables
variables.reject(&method(:coerced?)).reject(&method(:coercible?))
end
def [](name)
coerce(variables_by_name[name.to_sym])
end
def has_key?(name)
variables_by_name[name.to_sym]
end
def value_to_coerce(var)
return env_value_of(var) unless env_value_of(var).nil?
config.defaults_enabled? ? default_value_of(var) : nil
end
private
def coerce(var)
coerced?(var) ?
value_to_coerce(var) :
coercer.coerce(value_to_coerce(var), var.type)
end
def coerced?(var)
coercer.coerced?(value_to_coerce(var))
end
def coercible?(var)
coercer.coercible?(value_to_coerce(var), var.type)
end
def default_value_of(var)
var.default_value(ENVied, var)
end
def env_value_of(var)
ENV[var.name.to_s]
end
def missing?(var)
value_to_coerce(var).nil?
end
def variables
@variables ||= config.variables.select {|v| groups.include?(v.group) }
end
def variables_by_name
@variables_by_name ||= variables.map {|v| [v.name, v] }.to_h
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems