Class: Hanami::PapercraftView

Inherits:
View
  • Object
show all
Extended by:
Helpers::AssetsHelper
Includes:
Helpers::AssetsHelper
Defined in:
lib/hanami/papercraft_view.rb

Constant Summary collapse

CONTENT_SECURITY_POLICY_NONCE_REQUEST_KEY = 
"hanami.content_security_policy_nonce"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

._absolute_url?(source) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hanami/papercraft_view.rb', line 31

def _absolute_url?(source)
  ABSOLUTE_URL_MATCHER.match?(source.respond_to?(:url) ? source.url : source)
end

._append_extension?(source, ext) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hanami/papercraft_view.rb', line 20

def _append_extension?(source, ext)
  source !~ QUERY_STRING_MATCHER && source !~ /#{Regexp.escape(ext)}\z/
end

._nonce(context, source, nonce_option) ⇒ Object 



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# File 'lib/hanami/papercraft_view.rb', line 35

def _nonce(context, source, nonce_option)
  if nonce_option == false
    nil
  elsif nonce_option == true || (nonce_option.nil? && !_absolute_url?(source))
    content_security_policy_nonce(context)
  else
    nonce_option
  end
end

._subresource_integrity_value(context, source, ext) ⇒ Object 



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# File 'lib/hanami/papercraft_view.rb', line 53

def _subresource_integrity_value(context, source, ext)
  return if _absolute_url?(source)

  source = "#{source}#{ext}" unless /#{Regexp.escape(ext)}\z/.match?(source)
  context.assets[source].sri
end

._typed_url(context, source, ext) ⇒ Object 



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# File 'lib/hanami/papercraft_view.rb', line 15

def _typed_url(context, source, ext)
  source = "#{source}#{ext}" if source.is_a?(String) && _append_extension?(source, ext)
  asset_url(context, source)
end

.asset_url(context, source) ⇒ Object 



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# File 'lib/hanami/papercraft_view.rb', line 24

def asset_url(context, source)
  return source.url if source.respond_to?(:url)
  return source if _absolute_url?(source)

  context.assets[source].url
end

.content_security_policy_nonce(context) ⇒ Object 



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# File 'lib/hanami/papercraft_view.rb', line 47

def content_security_policy_nonce(context)
  return unless context.request

  context.request.env[CONTENT_SECURITY_POLICY_NONCE_REQUEST_KEY]
end

Instance Method Details

#call(context:, layout: nil, **props) ⇒ Object 



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# File 'lib/hanami/papercraft_view.rb', line 108

def call(context:, layout: nil, **props)
  layout ||= config.layout

  locals = exposures.(context:, **props) do |value, exposure|
    # TODO: what is decorate? and how do we support this without a rendering object
    # if exposure.decorate? && value
    #   rendering.part(exposure.name, value, as: exposure.options[:as])
    # else
      value
    # end
  end
  
  template_params = {
    context: context,
    config: config,
    **props,
    **locals
  }

  puts '*' * 40
  p params: template_params.keys
  puts

  template = load_template(config.template)
  puts template.compiled_code
  puts

  if layout
    layout_template = load_layout_template(layout)
    layout_template.render(**template_params, &template)
  else
    template.render(**template_params)
  end
end

#load_layout_template(name) ⇒ Object 



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# File 'lib/hanami/papercraft_view.rb', line 143

def load_layout_template(name)
  root ||= config.paths.first.root
  fn = File.join(root, "layouts/#{name}.papercraft.rb")
  source = IO.read(fn)
  eval(source, binding, fn)
end

#load_template(name) ⇒ Object 



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# File 'lib/hanami/papercraft_view.rb', line 150

def load_template(name)
  root ||= config.paths.first.root
  fn = File.join(root, "#{name}.papercraft.rb")
  source = IO.read(fn)
  eval(source, binding, fn)
end