Sets (and retrieves) option key names for initializer arguments to be recorded as. This takes care of 90% of the use cases for overriding the initializer in OmniAuth Strategies.
# File lib/omniauth/strategy.rb, line 82 def args(args = nil) if args @args = Array(args) return end existing = superclass.respond_to?(:args) ? superclass.args : [] return (instance_variable_defined?(:@args) && @args) || existing end
# File lib/omniauth/strategy.rb, line 104 def compile_stack(ancestors, method, context) stack = ancestors.inject([]) do |a, ancestor| a << context.instance_eval(&ancestor.send(method)) if ancestor.respond_to?(method) && ancestor.send(method) a end stack.reverse! end
This allows for more declarative subclassing of strategies by allowing default options to be set using a simple configure call.
@param options [Hash] If supplied, these will be the default options (deep-merged into the superclass’s default options). @yield [Options] The options Mash that allows you to set your defaults as you’d like.
@example Using a yield to configure the default options.
class MyStrategy include OmniAuth::Strategy configure do |c| c.foo = 'bar' end end
@example Using a hash to configure the default options.
class MyStrategy include OmniAuth::Strategy configure foo: 'bar' end
# File lib/omniauth/strategy.rb, line 52 def configure(options = nil) if block_given? yield default_options else default_options.deep_merge!(options) end end
Returns an inherited set of default options set at the class-level for each strategy.
# File lib/omniauth/strategy.rb, line 24 def default_options return @default_options if instance_variable_defined?(:@default_options) && @default_options existing = superclass.respond_to?(:default_options) ? superclass.default_options : {} @default_options = OmniAuth::Strategy::Options.new(existing) end
Directly declare a default option for your class. This is a useful from a documentation perspective as it provides a simple line-by-line analysis of the kinds of options your strategy provides by default.
@param name [Symbol] The key of the default option in your configuration hash. @param value [Object] The value your object defaults to. Nil if not provided.
@example
class MyStrategy include OmniAuth::Strategy option :foo, 'bar' option end
# File lib/omniauth/strategy.rb, line 75 def option(name, value = nil) default_options[name] = value end
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