Class: Bridgetown::Converters::LiquidTemplates

Inherits:
Bridgetown::Converter show all
Defined in:
lib/bridgetown-core/converters/liquid_templates.rb

Class Attribute Summary collapse

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Bridgetown::Converter

#initialize, input, #inspect, #line_start, support_slots, supports_slots?

Methods inherited from Plugin

#initialize

Methods included from Prioritizable

#<=>, included

Constructor Details

This class inherits a constructor from Bridgetown::Converter

Class Attribute Details

.cached_partials ⇒ Object

Returns the value of attribute cached_partials.



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# File 'lib/bridgetown-core/converters/liquid_templates.rb', line 12

def cached_partials
  @cached_partials
end

Instance Attribute Details

#document ⇒ Object (readonly)

Returns the value of attribute document.



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# File 'lib/bridgetown-core/converters/liquid_templates.rb', line 9

def document
  @document
end

#layout ⇒ Object (readonly)

Returns the value of attribute layout.



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# File 'lib/bridgetown-core/converters/liquid_templates.rb', line 9

def layout
  @layout
end

#site ⇒ Object (readonly)

Returns the value of attribute site.



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# File 'lib/bridgetown-core/converters/liquid_templates.rb', line 9

def site
  @site
end

Instance Method Details

#configure_payload(content = nil) ⇒ Object

Set page content to payload and assign paginator if document has one.

Returns nothing



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# File 'lib/bridgetown-core/converters/liquid_templates.rb', line 87

def configure_payload(content = nil)
  payload["page"] = document.to_liquid
  payload["paginator"] = document.respond_to?(:paginator) ? document.paginator.to_liquid : nil
  payload["layout"] = @layout ? @layout.to_liquid.merge({ data: @layout.data }) : {}
  payload["content"] = content
  payload["data"] = payload["page"].data
end

#convert(content, convertible) ⇒ String

Logic to do the Liquid content conversion.

Parameters:

Returns:

  • (String) —

    The converted content.



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# File 'lib/bridgetown-core/converters/liquid_templates.rb', line 26

def convert(content, convertible)
  return content if convertible.data[:template_engine] != "liquid"

  self.class.cached_partials ||= {}
  @payload = nil

  @site = convertible.site
  if convertible.is_a?(Bridgetown::Layout)
    @document = convertible.current_document
    @layout = convertible
    configure_payload(layout.current_document_output)
  else
    @document = convertible
    @layout = site.layouts[document.data["layout"]]
    configure_payload
  end

  template = site.liquid_renderer.file(convertible.path).parse(content)
  template.warnings.each do |e|
    Bridgetown.logger.warn "Liquid Warning:",
                           LiquidRenderer.format_error(e, convertible.path)
  end
  template.render!(payload, liquid_context)
# rubocop: disable Lint/RescueException
rescue Exception => e
  Bridgetown.logger.error "Liquid Exception:",
                          LiquidRenderer.format_error(e, convertible.path)
  raise e
end

#liquid_context ⇒ Object 



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# File 'lib/bridgetown-core/converters/liquid_templates.rb', line 95

def liquid_context
  {
    registers: {
      site: site,
      page: payload["page"],
      cached_partials: self.class.cached_partials,
    },
    strict_filters: site.config["liquid"]["strict_filters"],
    strict_variables: site.config["liquid"]["strict_variables"],
  }
end

#matches(ext, convertible) ⇒ Object

Parameters:



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# File 'lib/bridgetown-core/converters/liquid_templates.rb', line 61

def matches(ext, convertible)
  if convertible.render_with_liquid?
    convertible.data[:template_engine] = "liquid"
    return true
  end

  super(ext).tap do |ext_matches|
    convertible.data[:template_engine] = "liquid" if ext_matches
  end
end

#output_ext(ext) ⇒ Object 



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# File 'lib/bridgetown-core/converters/liquid_templates.rb', line 72

def output_ext(ext)
  ext == ".liquid" ? ".html" : ext
end

#payload ⇒ Object

Fetches the payload used in Liquid rendering. Falls back to site.site_payload if no payload is set.

Returns a Bridgetown::Drops::UnifiedPayloadDrop



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# File 'lib/bridgetown-core/converters/liquid_templates.rb', line 80

def payload
  @payload ||= site.site_payload
end