/stop slash command to stop generation

public/script.js

@@ -520,6 +520,7 @@ const chatElement = $('#chat');
 let dialogueResolve = null;
 let dialogueCloseStop = false;
 export let chat_metadata = {};
+/** @type {StreamingProcessor} */
 export let streamingProcessor = null;
 let crop_data = undefined;
 let is_delete_mode = false;
@@ -837,6 +838,7 @@ export let main_api;// = "kobold";
 //novel settings
 export let novelai_settings;
 export let novelai_setting_names;
+/** @type {AbortController} */
 let abortController;
 
 //css
@@ -4380,6 +4382,25 @@ export async function Generate(type, { automatic_trigger, force_name2, quiet_pro
     }
 }
 
+/**
+ * Stops the generation and any streaming if it is currently running.
+ */
+export function stopGeneration() {
+    let stopped = false;
+    if (streamingProcessor) {
+        streamingProcessor.onStopStreaming();
+        streamingProcessor = null;
+        stopped = true;
+    }
+    if (abortController) {
+        abortController.abort('Clicked stop button');
+        hideStopButton();
+        stopped = true;
+    }
+    eventSource.emit(event_types.GENERATION_STOPPED);
+    return stopped;
+}
+
 /**
  * Injects extension prompts into chat messages.
  * @param {object[]} messages Array of chat messages
@@ -10342,15 +10363,7 @@ jQuery(async function () {
     });
 
     $(document).on('click', '.mes_stop', function () {
-        if (streamingProcessor) {
-            streamingProcessor.onStopStreaming();
-            streamingProcessor = null;
-        }
-        if (abortController) {
-            abortController.abort('Clicked stop button');
-            hideStopButton();
-        }
-        eventSource.emit(event_types.GENERATION_STOPPED);
+        stopGeneration();
     });
 
     $(document).on('click', '#form_sheld .stscript_continue', function () {
@@ -10839,3 +10852,4 @@ jQuery(async function () {
 
     initCustomSelectedSamplers();
 });
+

public/scripts/slash-commands.js

@@ -33,6 +33,7 @@ import {
     setCharacterName,
     setExtensionPrompt,
     setUserName,
+    stopGeneration,
     substituteParams,
     system_avatar,
     system_message_types,
@@ -898,6 +899,24 @@ export function initDefaultSlashCommands() {
         ],
         helpString: 'Adds a swipe to the last chat message.',
     }));
+    SlashCommandParser.addCommandObject(SlashCommand.fromProps({
+        name: 'stop',
+        callback: () => {
+            const stopped = stopGeneration();
+            return String(stopped);
+        },
+        returns: 'true/false, whether the generation was running and got stopped',
+        helpString: `
+            <div>
+                Stops the generation and any streaming if it is currently running.
+            </div>
+            <div>
+                Note: This command cannot be executed from the chat input, as sending any message or script from there is blocked during generation.
+                But it can be executed via automations or QR scripts/buttons.
+            </div>
+        `,
+        aliases: ['generate-stop'],
+    }));
     SlashCommandParser.addCommandObject(SlashCommand.fromProps({
         name: 'abort',
         callback: abortCallback,