Module: React::FunctionComponent::Resolution

Included in:
Runner
Defined in:
lib/react/function_component/resolution.rb

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(component_name, *args, &block) ⇒ Object 



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# File 'lib/react/function_component/resolution.rb', line 24

def method_missing(component_name, *args, &block)
  # html tags are defined as methods, so they will not end up here.
  # first check for native component and render it, we want to be fast for native components
  # second check for ruby component and render it, they are a bit slower anyway
  # third pass on method missing

  %x{
    var component = null;
    if (typeof Opal.global[component_name] == "function") {
      component = Opal.global[component_name];
    }
    else {
      try {
        var constant = self.$class().$const_get(component_name, true);
        if (typeof constant.react_component == "function") {
          component = constant.react_component;
        }
      }
      catch(err) {
        component = null;
      }
    }
    if (component) {
      var props = null;
      if (args.length > 0) {
        var last_arg = args[args.length - 1];
        if (typeof last_arg === 'string' || last_arg instanceof String) {
          if (args.length === 1) { Opal.React.internal_render(component, null, last_arg, null); }
          else { Opal.React.internal_render(component, args[0], last_arg, null); }
        } else { Opal.React.internal_render(component, args[0], null, block); }
      } else { Opal.React.internal_render(component, null, null, block); }
    } else {
      return #{_react_component_resolution_original_method_missing(component_name, *args, block)};
    }
  }
end

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/react/function_component/resolution.rb', line 4

def self.included(base)
  base.instance_exec do
    alias _react_component_resolution_original_const_missing const_missing

    def const_missing(const_name)
      %x{
        if (typeof Opal.global[const_name] == "object") {
          var new_const = #{React::NativeConstantWrapper.new(`Opal.global[const_name]`, const_name)};
          #{Object.const_set(const_name, `new_const`)};
          return new_const;
        } else {
          return #{_react_component_resolution_original_const_missing(const_name)};
        }
      }
    end
  end
end

Instance Method Details

#_react_component_resolution_original_method_missing ⇒ Object 



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# File 'lib/react/function_component/resolution.rb', line 22

alias _react_component_resolution_original_method_missing method_missing