<%% icon_sizes = Rails.configuration.serviceworker.icon_sizes %> {
"name": "My Progressive Rails App", "short_name": "Progressive", "start_url": "/", "icons": [ <%% icon_sizes.map { |s| "#{s}x#{s}" }.each.with_index do |dim, i| %> { "src": "<%%= image_path "serviceworker-rails/heart-#{dim}.png" %>", "sizes": "<%%= dim %>", "type": "image/png" }<%%= i == (icon_sizes.length - 1) ? '' : ',' %> <%% end %> ], "theme_color": "#000000", "background_color": "#FFFFFF", "display": "fullscreen", "orientation": "portrait"
}