Class: Interfacets::Client::Channels::React::Dom

Inherits:
Object
  • Object
show all
Defined in:
lib/interfacets/client/channels/react/dom.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(facet:) ⇒ Dom

Returns a new instance of Dom.



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# File 'lib/interfacets/client/channels/react/dom.rb', line 10

def initialize(facet:)
  @children = []
  @portals = []
  @handlers = {}
  @facet = facet
end

Instance Attribute Details

#children ⇒ Object

Returns the value of attribute children.



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# File 'lib/interfacets/client/channels/react/dom.rb', line 8

def children
  @children
end

#facet ⇒ Object

Returns the value of attribute facet.



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# File 'lib/interfacets/client/channels/react/dom.rb', line 8

def facet
  @facet
end

#handlers ⇒ Object

Returns the value of attribute handlers.



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# File 'lib/interfacets/client/channels/react/dom.rb', line 8

def handlers
  @handlers
end

Instance Method Details

#call(type, str = nil, **attrs) ⇒ Object 



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# File 'lib/interfacets/client/channels/react/dom.rb', line 49

def call(type, str = nil, **attrs)
  raise("cannot pass both a block and a string") if str && block_given?
  raise if type == :facet

  new_element = {
    type:,
    children: [],
    attributes: (
      attrs.transform_values { |value|
        if value.is_a?(Proc)
          register_handler(
            id: value.object_id.to_s,
            callback: value,
            facet:,
          )

          {
            type: "interfacets:react-dom:action",
            payload: { id: value.object_id.to_s },
          }
        else
          value
        end
      }
    ),
  }

  if block_given? || str
    # recurse
    original_children = @children
    @children = new_element[:children]
    yield if block_given?
    string_node(str) if str
    @children = original_children
  end

  @children << new_element
end

#handle(facet:, payload:) ⇒ Object 



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# File 'lib/interfacets/client/channels/react/dom.rb', line 23

def handle(facet:, payload:)
  handler_id = payload.fetch("id")
  handler = handlers.fetch(handler_id)
  callback = handler.fetch(:callback)
  og_facet = handler.fetch(:facet)

  Evaluator.call(og_facet, callback, payload["event"])
end

#register_handler(id:, callback:, facet:) ⇒ Object 



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# File 'lib/interfacets/client/channels/react/dom.rb', line 32

def register_handler(id:, callback:, facet:)
  @handlers[id] = { facet:, callback: }

  {
    type: "interfacets:react-dom:memoized-action",
    payload: { id: },

  }
end

#reset ⇒ Object 



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# File 'lib/interfacets/client/channels/react/dom.rb', line 17

def reset
  @children = []
  @portals = []
  @handlers = {}
end

#string_node(str) ⇒ Object 



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# File 'lib/interfacets/client/channels/react/dom.rb', line 42

def string_node(str)
  @children << {
    type: "interfacets:string-node",
    attributes: { value: str },
  }
end