Module: Volt::ReactiveAccessors::ClassMethods
- Defined in:
- lib/volt/reactive/reactive_accessors.rb
Instance Method Summary collapse
-
#__reactive_dependency_get(var_name) ⇒ Object
Create a method to read a reactive value from an instance value.
- #reactive_accessor(*names) ⇒ Object
- #reactive_reader(*names) ⇒ Object
- #reactive_writer(*names) ⇒ Object
Instance Method Details
#__reactive_dependency_get(var_name) ⇒ Object
Create a method to read a reactive value from an instance value. If it is not setup, create it so it can be updated through the reactive value at a later point.
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# File 'lib/volt/reactive/reactive_accessors.rb', line 7 def __reactive_dependency_get(var_name) value_dep = instance_variable_get(:"@__#{var_name}_dependency") value_dep ||= instance_variable_set(:"@__#{var_name}_dependency", Dependency.new) end |
#reactive_accessor(*names) ⇒ Object
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# File 'lib/volt/reactive/reactive_accessors.rb', line 36 def reactive_accessor(*names) reactive_reader(*names) reactive_writer(*names) end |
#reactive_reader(*names) ⇒ Object
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# File 'lib/volt/reactive/reactive_accessors.rb', line 12 def reactive_reader(*names) names.each do |name| var_name = :"@#{name}" define_method(name.to_sym) do value = instance_variable_get(var_name) self.class.__reactive_dependency_get(name).depend value end end end |
#reactive_writer(*names) ⇒ Object
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# File 'lib/volt/reactive/reactive_accessors.rb', line 25 def reactive_writer(*names) names.each do |name| var_name = :"@#{name}" define_method(:"#{name}=") do |new_value| instance_variable_set(var_name, new_value) self.class.__reactive_dependency_get(name).changed! end end end |