Class: Jekyll::TimelineEventTag

Inherits:
Liquid::Block
  • Object
show all
Defined in:
lib/jekyll/timeline_tag.rb

Overview

Inner block tag — registered so Liquid knows about it. When rendered standalone (excerpt, search.json), outputs nothing silently. When rendered inside timeline %, its output is collected by the outer tag.

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, markup, tokens) ⇒ TimelineEventTag

Returns a new instance of TimelineEventTag.



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# File 'lib/jekyll/timeline_tag.rb', line 18

def initialize(tag_name, markup, tokens)
  super
  @attributes = Jekyll.parse_attrs(markup)
end

Instance Method Details

#render(context) ⇒ Object



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# File 'lib/jekyll/timeline_tag.rb', line 23

def render(context)
  site   = context.registers[:site]
  config = site.config["timeline"] || {}
  default_prefix = config["default_icon_prefix"] || "fa-solid"

  content = super.strip

  rendered_content = begin
    converter = site.find_converter_instance(Jekyll::Converters::Markdown)
    converter.convert(content)
  rescue StandardError
    content
  end

  date  = @attributes["date"]  || ""
  title = @attributes["title"] || ""
  icon  = @attributes["icon"]
  color = @attributes["color"]

  color_style = color ? %( style="--timeline-event-color: #{color};") : ""

  icon_html = if icon.nil? || icon.strip.empty?
    '<span class="timeline__icon timeline__icon--empty"></span>'
  elsif !icon.match?(/[a-zA-Z]/) || (icon.length <= 4 && !icon.include?("-"))
    %(<span class="timeline__icon timeline__icon--text">#{icon}</span>)
  else
    classes = icon.include?(" ") ? icon : "#{default_prefix} #{icon}"
    %(<span class="timeline__icon"><i class="#{classes}" aria-hidden="true"></i></span>)
  end

  html = <<~HTML
    <div class="timeline__event"#{color_style}>
      #{icon_html}
      <div class="timeline__content">
        <div class="timeline__date">#{date}</div>
        <div class="timeline__title">#{title}</div>
        <div class="timeline__body">#{rendered_content.strip}</div>
      </div>
    </div>
  HTML

  # If inside a timeline, accumulate; otherwise silently drop
  if context.registers[:timeline_events]
    context.registers[:timeline_events] << html.strip
  end
  ""
end