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Contents
# frozen_string_literal: true
module Dato
module Utils
class FaviconTagsBuilder
attr_reader :theme_color, :site
APPLE_TOUCH_ICON_SIZES = [57, 60, 72, 76, 114, 120, 144, 152, 180].freeze
ICON_SIZES = [16, 32, 96, 192].freeze
WINDOWS_SIZES = [[70, 70], [150, 150], [310, 310], [310, 150]].freeze
def initialize(site, theme_color)
@site = site
@theme_color = theme_color
end
def meta_tags
[
build_icon_tags,
build_apple_icon_tags,
build_windows_tags,
build_color_tags,
build_app_name_tag
].flatten.compact
end
def build_apple_icon_tags
return unless site.favicon
APPLE_TOUCH_ICON_SIZES.map do |size|
link_tag(
'apple-touch-icon',
url(size),
sizes: "#{size}x#{size}"
)
end
end
def build_icon_tags
return unless site.favicon
ICON_SIZES.map do |size|
link_tag(
'icon',
url(size),
sizes: "#{size}x#{size}",
type: "image/#{site.favicon.format}"
)
end
end
def build_windows_tags
return unless site.favicon
WINDOWS_SIZES.map do |(w, h)|
meta_tag("msapplication-square#{w}x#{h}logo", url(w, h))
end
end
def build_app_name_tag
meta_tag('application-name', site.name)
end
def build_color_tags
return unless theme_color
[
meta_tag('theme-color', theme_color),
meta_tag('msapplication-TileColor', theme_color)
]
end
def url(width, height = width)
site.favicon.url(w: width, h: height)
end
def meta_tag(name, value)
{ tag_name: 'meta', attributes: { name: name, content: value } }
end
def link_tag(rel, href, attrs = {})
{ tag_name: 'link', attributes: attrs.merge(rel: rel, href: href) }
end
end
end
end
Version data entries
49 entries across 49 versions & 1 rubygems