add make test and Remove vue-cli serve

lib/service/metadata/event.ex

@@ -5,15 +5,6 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Events.Event do
   alias MobilizonWeb.JsonLD.ObjectView
 
   def build_tags(%Event{} = event) do
-    event
-    |> do_build_tags()
-    |> Enum.map(&HTML.safe_to_string/1)
-    |> Enum.reduce("", fn tag, acc -> acc <> tag end)
-    |> Kernel.<>(build_json_ld_schema(event))
-  end
-
-  # Build OpenGraph & Twitter Tags
-  defp do_build_tags(%Event{} = event) do
     [
       Tag.tag(:meta, property: "og:title", content: event.title),
       Tag.tag(:meta, property: "og:url", content: event.url),
@@ -21,14 +12,15 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Events.Event do
       Tag.tag(:meta, property: "og:type", content: "website"),
       Tag.tag(:meta, property: "og:image", content: event.thumbnail),
       Tag.tag(:meta, property: "og:image", content: event.large_image),
-      Tag.tag(:meta, property: "twitter:card", content: "summary_large_image")
+      Tag.tag(:meta, property: "twitter:card", content: "summary_large_image"),
+      ~s{<script type="application/ld+json">#{json(event)}</script>} |> HTML.raw()
     ]
   end
 
   # Insert JSON-LD schema by hand because Tag.content_tag wants to escape it
-  defp build_json_ld_schema(%Event{} = event) do
-    "<script type=\"application\/ld+json\">" <>
-      (ObjectView.render("event.json", %{event: event})
-       |> Jason.encode!()) <> "</script>"
+  defp json(%Event{} = event) do
+    "event.json"
+    |> ObjectView.render(%{event: event})
+    |> Jason.encode!()
   end
 end