class React::Component::PropsWrapper
Attributes
props[R]
Public Class Methods
define_param(name, param_type, owner)
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# File lib/react/component/props_wrapper.rb, line 6 def self.define_param(name, param_type, owner) owner.define_method("#{name}") do |*args, &block| deprecated_params_method("#{name}", *args, &block) end if param_type == Observable owner.define_method("#{name}!") do |*args| deprecated_params_method("#{name}!", *args) end define_method("#{name}") do value_for(name) end define_method("#{name}!") do |*args| current_value = value_for(name) if args.count > 0 props[name].call args[0] current_value else # rescue in case we in middle of render... What happens during a # render that causes exception? # Where does `dont_update_state` come from? props[name].call current_value unless @dont_update_state rescue nil props[name] end end elsif param_type == Proc define_method("#{name}") do |*args, &block| props[name].call(*args, &block) if props[name] end else define_method("#{name}") do if @processed_params.has_key? name @processed_params[name] else @processed_params[name] = if param_type.respond_to? :_react_param_conversion param_type._react_param_conversion props[name] elsif param_type.is_a?(Array) && param_type[0].respond_to?(:_react_param_conversion) props[name].collect do |param| param_type[0]._react_param_conversion param end else props[name] end end end end end
new(props, current_props_wrapper=nil)
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# File lib/react/component/props_wrapper.rb, line 62 def initialize(props, current_props_wrapper=nil) @props = props || {} @processed_params = if current_props_wrapper current_props_wrapper.unchanged_processed_params(props) else {} end end
Public Instance Methods
[](prop)
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# File lib/react/component/props_wrapper.rb, line 71 def [](prop) props[prop] end
unchanged_processed_params(new_props)
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# File lib/react/component/props_wrapper.rb, line 54 def unchanged_processed_params(new_props) Hash[ *@processed_params.collect do |key, value| [key, value] if @props[key].equal? new_props[key] # `#{@props[key]} == #{new_props[key]}` end.compact.flatten(1) ] end
Private Instance Methods
value_for(name)
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# File lib/react/component/props_wrapper.rb, line 77 def value_for(name) self[name].instance_variable_get("@value") if self[name] end