Add ranges to /cut slash command

public/script.js

@@ -1205,7 +1205,7 @@ async function replaceCurrentChat() {
 
 const TRUNCATION_THRESHOLD = 100;
 
-function showMoreMessages() {
+export function showMoreMessages() {
     let messageId = Number($('#chat').children('.mes').first().attr('mesid'));
     let count = TRUNCATION_THRESHOLD;
 
@@ -6217,8 +6217,8 @@ async function importCharacterChat(formData) {
     });
 }
 
-function updateViewMessageIds() {
+function updateViewMessageIds(startFromZero = false) {
-    const minId = getFirstDisplayedMessageId();
+    const minId = startFromZero ? 0 : getFirstDisplayedMessageId();
 
     $('#chat').find(".mes").each(function (index, element) {
         $(element).attr("mesid", minId + index);
@@ -6231,7 +6231,7 @@ function updateViewMessageIds() {
     updateEditArrowClasses();
 }
 
-function getFirstDisplayedMessageId() {
+export function getFirstDisplayedMessageId() {
     const allIds = Array.from(document.querySelectorAll('#chat .mes')).map(el => Number(el.getAttribute('mesid'))).filter(x => !isNaN(x));
     const minId = Math.min(...allIds);
     return minId;
@@ -8520,15 +8520,17 @@ jQuery(async function () {
             count_view_mes--;
         }
 
+        let startFromZero = Number(this_edit_mes_id) === 0;
+
         this_edit_mes_id = undefined;
 
-        updateViewMessageIds();
+        updateViewMessageIds(startFromZero);
-        await saveChatConditional();
+        saveChatDebounced();
-
-        eventSource.emit(event_types.MESSAGE_DELETED, count_view_mes);
 
         hideSwipeButtons();
         showSwipeButtons();
+
+        await eventSource.emit(event_types.MESSAGE_DELETED, count_view_mes);
     });
 
     $(document).on("click", ".mes_edit_done", async function () {

public/scripts/power-user.js

@@ -15,6 +15,9 @@ import {
     setCharacterId,
     setEditedMessageId,
     renderTemplate,
+    chat,
+    getFirstDisplayedMessageId,
+    showMoreMessages,
 } from "../script.js";
 import { isMobile, initMovingUI, favsToHotswap } from "./RossAscends-mods.js";
 import {
@@ -30,7 +33,7 @@ import {
 import { registerSlashCommand } from "./slash-commands.js";
 import { tokenizers } from "./tokenizers.js";
 
-import { countOccurrences, debounce, delay, isOdd, resetScrollHeight, sortMoments, timestampToMoment } from "./utils.js";
+import { countOccurrences, debounce, delay, isOdd, resetScrollHeight, sortMoments, stringToRange, timestampToMoment } from "./utils.js";
 
 export {
     loadPowerUserSettings,
@@ -1750,25 +1753,49 @@ function doRandomChat() {
 
 async function doMesCut(_, text) {
     console.debug(`was asked to cut message id #${text}`)
+    const range = stringToRange(text, 0, chat.length - 1);
+
     //reject invalid args or no args
-    if (text && isNaN(text) || !text) {
+    if (!range) {
-        toastr.error(`Must enter a single number only, non-number characters disallowed.`)
+        toastr.warning(`Must provide a Message ID or a range to cut.`)
         return
     }
 
-    let mesIDToCut = Number(text).toFixed(0)
+    let totalMesToCut = (range.end - range.start) + 1;
+    let mesIDToCut = range.start;
+
+    for (let i = 0; i < totalMesToCut; i++) {
+        let done = false;
         let mesToCut = $("#chat").find(`.mes[mesid=${mesIDToCut}]`)
 
+        if (!mesToCut.length) {
+            while (getFirstDisplayedMessageId() > mesIDToCut && getFirstDisplayedMessageId() !== 0) {
+                showMoreMessages();
+                await delay(1);
+                mesToCut = $("#chat").find(`.mes[mesid=${mesIDToCut}]`);
+
+                if (mesToCut.length) {
+                    break;
+                }
+            }
+
             if (!mesToCut.length) {
                 toastr.error(`Could not find message with ID: ${mesIDToCut}`)
-        return
+                return;
+            }
         }
 
         setEditedMessageId(mesIDToCut);
+        eventSource.once(event_types.MESSAGE_DELETED, () => {
+            done = true;
+        });
         mesToCut.find('.mes_edit_delete').trigger('click', { fromSlashCommand: true });
+        while (!done) {
+            await delay(1);
+        }
+    }
 }
 
-
 async function doDelMode(_, text) {
 
     //first enter delmode
@@ -2671,7 +2698,7 @@ $(document).ready(() => {
     registerSlashCommand('newchat', doNewChat, [], '– start a new chat with current character', true, true);
     registerSlashCommand('random', doRandomChat, [], '– start a new chat with a random character', true, true);
     registerSlashCommand('delmode', doDelMode, ['del'], '<span class="monospace">(optional number)</span> – enter message deletion mode, and auto-deletes N messages if numeric argument is provided', true, true);
-    registerSlashCommand('cut', doMesCut, [], '<span class="monospace">(number)</span> – cuts the specified message from the chat', true, true);
+    registerSlashCommand('cut', doMesCut, [], '<span class="monospace">(number or range)</span> – cuts the specified message or continuous chunk from the chat, e.g. <tt>/cut 0-10</tt>. Ranges are inclusive!', true, true);
     registerSlashCommand('resetpanels', doResetPanels, ['resetui'], '– resets UI panels to original state.', true, true);
     registerSlashCommand('bgcol', setAvgBG, [], '– WIP test of auto-bg avg coloring', true, true);
 });

public/scripts/utils.js

@@ -27,6 +27,33 @@ export function isValidUrl(value) {
     }
 }
 
+/**
+ * Parses ranges like 10-20 or 10.
+ * Range is inclusive. Start must be less than end.
+ * Returns null if invalid.
+ * @param {string} input The input string.
+ * @param {number} min The minimum value.
+ * @param {number} max The maximum value.
+ * @returns {{ start: number, end: number }} The parsed range.
+ */
+export function stringToRange(input, min, max) {
+    let start, end;
+
+    if (input.includes('-')) {
+        const parts = input.split('-');
+        start = parts[0] ? parseInt(parts[0], 10) : NaN;
+        end = parts[1] ? parseInt(parts[1], 10) : NaN;
+    } else {
+        start = end = parseInt(input, 10);
+    }
+
+    if (isNaN(start) || isNaN(end) || start > end || start < min || end > max) {
+        return null;
+    }
+
+    return { start, end };
+}
+
 /**
  * Determines if a value is unique in an array.
  * @param {any} value Current value.