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Inline SVGs and Webp picture tags
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| # frozen_string_literal: true | |
| # Useful methods for dealing with images | |
| module Imageable | |
| def inline_svg(filename, **options) | |
| filepath = File.join(Rails.root, 'public', asset_pack_path("media/images/#{filename}.svg")) | |
| Rails.cache.fetch(filepath) do | |
| file = File.read(filepath) | |
| doc = Nokogiri::HTML::DocumentFragment.parse file | |
| svg = doc.at_css 'svg' | |
| options.each { |attr, value| svg[attr.to_s] = value } | |
| doc.to_html.html_safe | |
| end | |
| end | |
| # @param filepath [String] A filepath with an extension. Will automatically search for webp | |
| def picture_tag(filepath, **options) | |
| path = proc { |path_to_asset| asset_pack_path(File.join("media/images/#{path_to_asset}")) } | |
| webp_file = path.call(to_webp(filepath)) | |
| tag.picture do | |
| concat( | |
| tag.source(srcset: webp_file, type: 'image/webp') + | |
| image_pack_tag(filepath, **options) | |
| ) | |
| end | |
| end | |
| def to_webp(filepath) | |
| basename = File.basename(filepath, '.*') | |
| dirname = File.dirname(filepath) | |
| if dirname == '.' | |
| dirname = '' | |
| else | |
| dirname += '/' | |
| end | |
| File.join("#{dirname}#{basename}.webp") | |
| end | |
| end |
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