Merge pull request #1710 from alphagov/fix-spelling-suggestions-analy…

…tics

Fix spelling suggestions analytics

app/assets/javascripts/live_search.js

@@ -38,11 +38,6 @@
       window.ga('set', 'transport', 'beacon')
     }
 
-    // track impressions of spelling suggestions
-    if (this.$suggestionsBlock) {
-      this.trackSpellingSuggestionsImpressions(this.$suggestionsBlock)
-    }
-
     if (GOVUK.support.history()) {
       this.saveState()
 
@@ -151,9 +146,11 @@
   }
 
   LiveSearch.prototype.trackSpellingSuggestionsImpressions = function trackSpellingSuggestionsImpressions ($suggestions) {
-    $($suggestions).find('a').each(function () {
-      GOVUK.SearchAnalytics.setDimension(81, $(this).data('track-options').dimension81)
-    })
+    var $spellingSuggestionMetaTag = $("meta[name='govuk:spelling-suggestion']")
+    // currently there's ever only one suggestion
+    var spellingSuggestionAvailable = this.$suggestionsBlock.find('a').length > 0
+    var suggestion = spellingSuggestionAvailable ? this.$suggestionsBlock.find('a').data('track-options').dimension81 : ''
+    $spellingSuggestionMetaTag.attr('content', suggestion)
   }
 
   /**

app/views/finders/_spelling_suggestion.html.erb

@@ -1,10 +1,16 @@
+<% # we want an empty string if there are no suggestions on page load %> 
+<% _spelling_suggestion = '' %>
 <% if @spelling_suggestion_presenter.suggestions.any? %>
 <p class="govuk-body">Did you mean
   <% @spelling_suggestion_presenter.suggestions.each do |suggestion| %>
     <%= link_to suggestion[:keywords], suggestion[:link],
       class: "govuk-link govuk-!-font-weight-bold",
       :data => suggestion[:data_attributes]
     %>
+    <% _spelling_suggestion = suggestion[:keywords] %>
   <% end %>
 </p>
-<% end %>
+<% end %>
+<% content_for :head do %>
+  <meta name="govuk:spelling-suggestion" content="<%= _spelling_suggestion %>">
+<% end %>