Slash command to delete messages by name

public/scripts/slash-commands.js

@@ -20,6 +20,7 @@ import {
     replaceCurrentChat,
     setCharacterId,
     generateQuietPrompt,
+    reloadCurrentChat,
 } from "../script.js";
 import { humanizedDateTime } from "./RossAscends-mods.js";
 import { resetSelectedGroup } from "./group-chats.js";
@@ -125,11 +126,46 @@ parser.addCommand('flat', setFlatModeCallback, ['default'], ' – sets the messa
 parser.addCommand('continue', continueChatCallback, ['cont'], ' – continues the last message in the chat', true, true);
 parser.addCommand('go', goToCharacterCallback, ['char'], '<span class="monospace">(name)</span> – opens up a chat with the character by its name', true, true);
 parser.addCommand('sysgen', generateSystemMessage, [], '<span class="monospace">(prompt)</span> – generates a system message using a specified prompt', true, true);
+parser.addCommand('delname', deleteMessagesByNameCallback, ['cancel'], '<span class="monospace">(name)</span> – deletes all messages attributed to a specified name', true, true);
 
 const NARRATOR_NAME_KEY = 'narrator_name';
 const NARRATOR_NAME_DEFAULT = 'System';
 const COMMENT_NAME_DEFAULT = 'Note';
 
+async function deleteMessagesByNameCallback(_, name) {
+    if (!name) {
+        console.warn('WARN: No name provided for /delname command');
+        return;
+    }
+
+    name = name.trim();
+
+    const messagesToDelete = [];
+    chat.forEach((value) => {
+        if (value.name === name) {
+            messagesToDelete.push(value);
+        }
+    });
+
+    if (!messagesToDelete.length) {
+        console.debug('/delname: Nothing to delete');
+        return;
+    }
+
+    for (const message of messagesToDelete) {
+        const index = chat.indexOf(message);
+        if (index !== -1) {
+            console.debug(`/delname: Deleting message #${index}`, message);
+            chat.splice(index, 1);
+        }
+    }
+
+    await saveChatConditional();
+    await reloadCurrentChat();
+
+    toastr.info(`Deleted ${messagesToDelete.length} messages from ${name}`);
+}
+
 function findCharacterIndex(name) {
     const matchTypes = [
         (a, b) => a === b,