Rails font awesome xlink

gistfile1.txt

# app/helpers/application_helper.rb

module ApplicationHelper
  def declare_fa_icon(options, anchor_name)
    fa_icon(options, data: { 'fa-symbol': anchor_name })
  end

  def use_fa_icon(anchor_name, text)
    %Q(<svg class="icon-fa-xs"><use xlink:href="##{anchor_name}"></use></svg>#{text}).html_safe
  end
end

# app/views/*/*.html.erb

# Declare commonly used icons
<%= declare_fa_icon('eye', 'fa-eye') %>
<%= declare_fa_icon('edit', 'fa-edit') %>
<%= declare_fa_icon('trash', 'fa-trash') %>

...

# Use icons declared above
<% @users.each do |user| %>
  <%= link_to use_fa_icon('fa-eye', 'Show'), user_path(user), class: 'btn btn-sm btn-info' %>
  <%= link_to use_fa_icon('fa-edit', 'Edit'), edit_user_path(user), class: 'btn btn-sm btn-warning' %>
  <%= link_to use_fa_icon('fa-trash', "Delete"), user_path(user),
              class: 'btn btn-sm btn-danger',
              method: :delete, data: { confirm: 'Are you sure?' } %>
<% end %>