Render only useful content when displaying modals

tfjm/templates/base.html

@@ -259,7 +259,7 @@
             if (!modalBody.innerHTML.trim()) {
                 if (url instanceof Function) url = url()
 
-                fetch(url)
+                fetch(url, {headers: {'CONTENT-ONLY': '1'}})
                     .then(resp => resp.text())
                     .then(resp => new DOMParser().parseFromString(resp, 'text/html'))
                     .then(res => modalBody.innerHTML = res.getElementById(content_id).outerHTML)

tfjm/templates/empty.html

@@ -0,0 +1 @@
+{% block content %}{% endblock content %}

tfjm/templates/registration/login.html

@@ -1,4 +1,4 @@
-{% extends "base.html" %}
+{% extends request.content_only|yesno:"empty.html,base.html" %}
 {% comment %}
 SPDX-License-Identifier: GPL-2.0-or-later
 {% endcomment %}

tfjm/templates/search/search.html

@@ -1,4 +1,4 @@
-{% extends 'base.html' %}
+{% extends request.content_only|yesno:"empty.html,base.html" %}
 
 {% load crispy_forms_filters highlight i18n search_results_tables django_tables2 %}