2024-11-28 08:54:39 +01:00

45 lines
1.2 KiB
Ruby

module Jekyll
module HomeAssistant
class Icon < Liquid::Tag
def initialize(tag_name, args, tokens)
super
if args.strip =~ SYNTAX
@icon = Regexp.last_match[:icon].downcase
@title = Regexp.last_match[:title]
else
raise SyntaxError, <<~MSG
Syntax error in tag 'icon' while parsing the following options:
#{args}
Valid syntax:
{% icon "<icon-set>:<icon-name>" [title="<title>"] %}
MSG
end
end
def default_title(icon)
# split away "mdi:" part
icon_name = icon.split(':').last
# remove dashes and capitalize e.g. "water-polo" to "Water polo"
parts = icon_name.split('-')
parts[0] = parts[0].capitalize
parts.join(' ')
end
def render(_context)
title = @title || default_title(@icon)
"<iconify-icon inline icon='#{@icon}' title='#{title}'></iconify-icon>"
end
private
SYNTAX = %r!^"(?<icon>[a-z0-9]+(?:-[a-z0-9]+)*:[a-z0-9]+(?:-[a-z0-9]+)*)"(?:\s+title="(?<title>[^"]+)")?$!.freeze
end
end
end
Liquid::Template.register_tag('icon', Jekyll::HomeAssistant::Icon)