Pass snippet chooser URL via data attribute instead of chooserUrls

client/tests/stubs.js

@@ -61,7 +61,6 @@ global.chooserUrls = {
   externalLinkChooser: '/admin/choose-external-link/',
   imageChooser: '/admin/images/chooser/',
   pageChooser: '/admin/choose-page/',
-  snippetChooser: '/admin/snippets/choose/',
 };
 
 /* use dummy content for onload handlers just so that we can verify that we've chosen the right one */

wagtail/admin/templates/wagtailadmin/widgets/chooser.html

@@ -6,7 +6,7 @@
     when clicked.
 {% endcomment %}
 
-<div id="{{ attrs.id }}-chooser" class="chooser {% block chooser_class %}page-chooser{% endblock %} {% if not value %}blank{% endif %}">
+<div id="{{ attrs.id }}-chooser" class="chooser {% block chooser_class %}page-chooser{% endblock %} {% if not value %}blank{% endif %}" {% block chooser_attributes %}{% endblock %}>
 
     <div class="chosen">
         {% block chosen_state_view %}{% endblock %}

wagtail/snippets/static_src/wagtailsnippets/js/snippet-chooser.js

@@ -6,7 +6,7 @@ function createSnippetChooser(id, modelString) {
 
     $('.action-choose', chooserElement).on('click', function() {
         ModalWorkflow({
-            url: window.chooserUrls.snippetChooser + modelString + '/',
+            url: chooserElement.data('chooserUrl') + modelString + '/',
             onload: SNIPPET_CHOOSER_MODAL_ONLOAD_HANDLERS,
             responses: {
                 snippetChosen: function(snippetData) {

wagtail/snippets/templates/wagtailsnippets/widgets/snippet_chooser.html

@@ -2,6 +2,7 @@
 {% load wagtailadmin_tags %}
 
 {% block chooser_class %}snippet-chooser{% endblock %}
+{% block chooser_attributes %}data-chooser-url="{% url 'wagtailsnippets:choose_generic' %}"{% endblock %}
 
 {% block chosen_state_view %}
     <span class="title">{{ item }}</span>

wagtail/snippets/wagtail_hooks.py

@@ -2,7 +2,6 @@ from django.contrib.admin.utils import quote
 from django.contrib.auth.models import Permission
 from django.contrib.contenttypes.models import ContentType
 from django.urls import include, path, reverse
-from django.utils.html import format_html
 from django.utils.translation import gettext_lazy as _
 
 from wagtail.admin.menu import MenuItem
@@ -36,16 +35,6 @@ def register_snippets_menu_item():
     )
 
 
-@hooks.register('insert_editor_js')
-def editor_js():
-    return format_html(
-        """
-            <script>window.chooserUrls.snippetChooser = '{0}';</script>
-        """,
-        reverse('wagtailsnippets:choose_generic')
-    )
-
-
 @hooks.register('register_permissions')
 def register_permissions():
     content_types = ContentType.objects.get_for_models(*get_snippet_models()).values()