[iframe] add iframe postMessage on input change

searx/static/js/gargantext.js

+'use strict';
+
+(() => {
+    $(document).on('ready', function() {
+        $('#q').on('change', function() {
+            if (document.referrer == '') {
+                return;
+            }
+            var $el = $(this);
+            window.parent.postMessage({
+                url: window.location.href,
+                term: $el.val()
+            }, document.referrer);
+        });
+    });
+})();

searx/templates/oscar/base.html

@@ -98,6 +98,7 @@
     {% if autocomplete %}    <script src="{{ url_for('static', filename='js/typeahead.bundle.min.js') }}"></script>{% endif %}
 
     <script src="{{ url_for('static', filename='js/require-2.1.15.min.js') }}"></script>
+    <script src="{{ url_for('static', filename='js/gargantext.js') }}"></script>
     <script src="{{ url_for('static', filename='js/searx.min.js') }}"
             data-method="{{ method or 'POST' }}"
             data-autocompleter="{% if autocomplete %}true{% else %}false{% endif %}"></script>