Move trigger out of while loop

src/headless/shared/chat/utils.js

@@ -11,16 +11,16 @@ export function pruneHistory (model) {
             if (non_empty_messages.length > max_history) {
                 while (non_empty_messages.length > max_history) {
                     non_empty_messages.shift().destroy();
-                    /**
-                     * Triggered once the message history has been pruned, i.e.
-                     * once older messages have been removed to keep the
-                     * number of messages below the value set in `prune_messages_above`.
-                     * @event _converse#historyPruned
-                     * @type { _converse.ChatBox | _converse.ChatRoom }
-                     * @example _converse.api.listen.on('historyPruned', this => { ... });
-                     */
-                    api.trigger('historyPruned', model);
                 }
+                /**
+                 * Triggered once the message history has been pruned, i.e.
+                 * once older messages have been removed to keep the
+                 * number of messages below the value set in `prune_messages_above`.
+                 * @event _converse#historyPruned
+                 * @type { _converse.ChatBox | _converse.ChatRoom }
+                 * @example _converse.api.listen.on('historyPruned', this => { ... });
+                 */
+                api.trigger('historyPruned', model);
             }
         }
     }