Use class_names to Conditionally Apply CSS Classes - Andy Croll
15-May-2026 188
Stop interpolating CSS classes with ternaries in your ERB templates.When you’re building views in Rails, you often need to apply CSS classes conditionally. Maybe a nav link should look different when it’s the current page, or a form field needs error styling. Since Rails 6.1, the class_names helper does this cleanly.
.
Use class_names to Conditionally Apply CSS Classes - Andy Croll #ruby #rubydeveloper #rubyonrails #class_names #Conditionally #Apply #Classes #Croll #class_names #css https://rubyonrails.ba/link/use-class_names-to-conditionally-apply-css-classes-andy-croll
