Add speculation rules for pre-fetching and rendering

slices/main/views/context.rb

@@ -0,0 +1,33 @@
+module Main
+  module Views
+    class Context < Adamantium::Context
+      include Deps["repos.page_repo"]
+
+      def speculation_rules
+        {"prerender": [
+          {
+            "where": {
+              "and": [
+                {"href_matches": "/*"},
+              ]
+            }
+          }
+        ],
+        "prefetch": [
+          {
+            "urls": ["bookmarks", "posts", "photos", "statuses", "uses"],
+            "referrer_policy": "no-referrer"
+          }
+        ]}.to_json
+      end
+
+      def pages
+        page_repo.for_main_nav
+      end
+
+      def current_path
+        request.fullpath
+      end
+    end
+  end
+end