Module: ReactiveAccessors::ClassMethods
- Defined in:
- lib/volt/controllers/reactive_accessors.rb
Instance Method Summary collapse
- #reactive_accessor(*names) ⇒ Object
-
#reactive_reader(*names) ⇒ Object
Create a method to read a reactive value from an instance value.
- #reactive_writer(*names) ⇒ Object
Instance Method Details
#reactive_accessor(*names) ⇒ Object
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# File 'lib/volt/controllers/reactive_accessors.rb', line 39 def reactive_accessor(*names) reactive_reader(*names) reactive_writer(*names) end |
#reactive_reader(*names) ⇒ 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/controllers/reactive_accessors.rb', line 7 def reactive_reader(*names) names.each do |name| var_name = :"@#{name}" define_method(name.to_sym) do value = instance_variable_get(var_name) unless value value = ReactiveValue.new(nil) instance_variable_set(var_name, value) end value end end end |
#reactive_writer(*names) ⇒ Object
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# File 'lib/volt/controllers/reactive_accessors.rb', line 24 def reactive_writer(*names) names.each do |name| var_name = :"@#{name}" define_method(:"#{name}=") do |new_value| value = instance_variable_get(var_name) if value value.cur = new_value else instance_variable_set(var_name, ReactiveValue.new(value)) end end end end |