Fix global jQuery usage

app/javascript/manager/fields/features.js

@@ -0,0 +1,19 @@
+// Administrate injects its own copy of jQuery, and it is the one
+// configured by rails to send csrf-token
+const $ = window.$;
+
+$(document).on('change', '#features input[type=checkbox]', ({ target }) => {
+  target = $(target);
+  const url = target.data('url');
+  const key = target.data('key');
+  const value = target.prop('checked');
+
+  $.ajax(url, {
+    method: 'put',
+    contentType: 'application/json',
+    dataType: 'json',
+    data: JSON.stringify({
+      features: { [key]: value }
+    })
+  });
+});

app/javascript/packs/manager.js

@@ -0,0 +1 @@
+import '../manager/fields/features';

app/views/champs/siret/index.js.erb

@@ -4,5 +4,5 @@
   <% else %>
     var html = "<%= escape_javascript(render partial: 'shared/champs/siret/etablissement', locals: { position: @champ.order_place, etablissement: @etablissement }) %>";
   <% end %>
-  $("#etablissement-for-<%= @champ.id %>").html(html);
+  document.querySelector("#etablissement-for-<%= @champ.id %>").innerHTML = html;
 })();

app/views/fields/features_field/_show.html.haml

@@ -5,22 +5,3 @@
         %td= feature.title
         %td
           = check_box_tag "enable-feature", "enable", field.data[feature.name], data: { url: enable_feature_manager_administrateur_path(field.resource.id), key: feature.key }
-
-:javascript
-  window.onload = function() {
-    $('#features input[type=checkbox]').on('change', function(evt) {
-      let url = $(evt.target).data('url');
-      let key = $(evt.target).data('key');
-      let features = {};
-      features[key] = $(evt.target).prop('checked');
-      $.ajax(url, {
-        method: 'put',
-        contentType: 'application/json',
-        dataType: 'json',
-        data: JSON.stringify({
-          features: features
-        })
-      });
-    });
-  };
-

app/views/manager/application/_javascript.html.erb

@@ -0,0 +1,23 @@
+<%#
+# Javascript Partial
+
+This partial imports the necessary javascript on each page.
+By default, it includes the application JS,
+but each page can define additional JS sources
+by providing a `content_for(:javascript)` block.
+%>
+
+<% Administrate::Engine.javascripts.each do |js_path| %>
+  <%= javascript_include_tag js_path %>  
+<% end %>
+
+<%= javascript_pack_tag 'manager' %>
+
+<%= yield :javascript %>
+
+<% if Rails.env.test? %>
+  <%= javascript_tag do %>
+    $.fx.off = true;
+    $.ajaxSetup({ async: false });
+  <% end %>
+<% end %>