Class: Curlybars::Node::Partial

Inherits:
Struct
  • Object
show all
Defined in:
lib/curlybars/node/partial.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#options ⇒ Object

Returns the value of attribute options

Returns:

  • (Object) —

    the current value of options



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# File 'lib/curlybars/node/partial.rb', line 3

def options
  @options
end

#path ⇒ Object

Returns the value of attribute path

Returns:

  • (Object) —

    the current value of path



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# File 'lib/curlybars/node/partial.rb', line 3

def path
  @path
end

#position ⇒ Object

Returns the value of attribute position

Returns:

  • (Object) —

    the current value of position



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# File 'lib/curlybars/node/partial.rb', line 3

def position
  @position
end

Instance Method Details

#cache_key ⇒ Object 



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# File 'lib/curlybars/node/partial.rb', line 98

def cache_key
  [
    path,
    options
  ].flatten.map(&:cache_key).push(position&.file_name, self.class.name).join("/")
end

#compile ⇒ Object 



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# File 'lib/curlybars/node/partial.rb', line 4

def compile
  compiled_options = options.map do |option|
    "options.merge!(#{option.compile})"
  end.join("\n")

  # NOTE: the following is a heredoc string, representing the ruby code fragment
  # outputted by this node.
  <<-RUBY
    options = ::ActiveSupport::HashWithIndifferentAccess.new
    #{compiled_options}

    partial_source = rendering.resolve_partial(#{path.path.inspect})
    if partial_source
      buffer.concat(rendering.render_partial(partial_source, #{path.path.inspect}, options).to_s)
    else
      buffer.concat(rendering.cached_call(#{path.compile}).to_s)
    end
  RUBY
end

#validate(branches, context: nil) ⇒ Object 



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# File 'lib/curlybars/node/partial.rb', line 24

def validate(branches, context: nil)
  # Validate option expressions in current scope
  errors = options.flat_map { |option| option.expression.validate(branches) }

  return errors unless context&.partial_resolver

  partial_source = begin
    context.partial_resolver.call(path.path)
  rescue StandardError
    nil
  end

  if partial_source
    if position.file_name == :"partials/#{path.path}"
      errors << Curlybars::Error::Validate.new(
        'self_referencing_partial',
        "'#{path.path}' cannot reference itself",
        position
      )
      return errors
    end

    options_tree = options.each_with_object({}) do |option, tree|
      expr = option.expression
      tree[option.key.to_sym] = if expr.respond_to?(:resolve)
        begin
          expr.resolve(branches)
        rescue Curlybars::Error::Validate
          nil
        end
      end
    end

    if context.valid?
      partial_errors = Curlybars.validate(
        options_tree,
        partial_source,
        :"partials/#{path.path}",
        validation_context: context.increment_depth,
        run_processors: false
      )
      inclusion_chain_entry = Curlybars::Position.new(
        position.file_name,
        position.line_number,
        position.line_offset,
        position.length
      )
      partial_errors.each do |e|
        e.metadata[:inclusion_chain] = (e.metadata[:inclusion_chain] || []).push(inclusion_chain_entry)
      end
      errors.concat(partial_errors)
    else
      errors << Curlybars::Error::Validate.new(
        'partial_nesting_limit_reached',
        "'#{path.path}' exceeds the partial nesting limit of #{Curlybars.configuration.partial_nesting_limit}",
        position
      )
    end
  else
    path_errors = Array(path.validate(branches, check_type: :partial))
    if path_errors.any? && context&.partial_resolver
      errors << Curlybars::Error::Validate.new(
        'partial_not_found',
        "'#{path.path}' partial could not be found",
        position
      )
    else
      errors.concat(path_errors)
    end
  end

  errors
end