Class: Jekyll::Spaceship::EmojiProcessor

Inherits:
Processor
  • Object
show all
Defined in:
lib/jekyll-spaceship/processors/emoji-processor.rb

Constant Summary

Constants inherited from Processor

Processor::DEFAULT_PRIORITY, Processor::PRIORITY_MAP

Instance Attribute Summary

Attributes inherited from Processor

#config, #exclusions, #handled, #logger, #page, #priority, #registers

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Processor

#after_exclude, #converter, #dispatch, escape_html, exclude, #ext, #filename, #initialize, #initialize_exclusions, #initialize_priority, #initialize_register, #name, #on_handle_html_block, #on_handled, #output_ext, #pre_exclude, priority, #process?, register

Constructor Details

This class inherits a constructor from Jekyll::Spaceship::Processor

Class Method Details

.config ⇒ Object 



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# File 'lib/jekyll-spaceship/processors/emoji-processor.rb', line 9

def self.config
  {
    'css' => {
      'class' => 'emoji'
    },
    'src' => 'https://github.githubassets.com/images/icons/emoji/'
  }
end

Instance Method Details

#on_handle_html(content) ⇒ Object 



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# File 'lib/jekyll-spaceship/processors/emoji-processor.rb', line 18

def on_handle_html(content)
  # handle emoji markup
  content.scan(/:([\w\d+-]+):/) do |match|
    emoji = Emoji.find_by_alias match[0]
    next if emoji.nil?
    self.handled = true

    # escape plus sign
    emoji_name = emoji.name.gsub('+', '\\\+')
    css_class = self.config['css']['class']

    content = content.gsub(
      /(?<!\=")\s*:#{emoji_name}:\s*(?!"\s)/,
      "<img class=\"#{css_class}\""\
        " title=\":#{emoji.name}:\""\
        " alt=\":#{emoji.name}:\""\
        " raw=\"#{emoji.raw}\""\
        " src=\"#{config['src']}#{emoji.image_filename}\""\
        " style=\"vertical-align: middle; display: inline;"\
        " max-width: 1em; visibility: hidden;\""\
        " onload=\"this.style.visibility='visible'\""\
        " onerror=\"this.replaceWith(this.getAttribute('raw'))\">"\
      "</img>"
    )
  end
  content
end