Auto-scroll to selected Suno rows for UI downloads

chatgpt-suno-tampermonkey.user.js

@@ -1,7 +1,7 @@
 // ==UserScript==
 // @name         ChatGPT to Suno Prompt Copier
 // @namespace    local.suno-helper
-// @version      0.9.9
+// @version      0.10.0
 // @description  Copy structured ChatGPT song prompt versions into Suno fields.
 // @author       local
 // @match        https://chatgpt.com/*
@@ -30,7 +30,7 @@
 (function () {
   "use strict";
 
-  const SCRIPT_VERSION = "0.9.9";
+  const SCRIPT_VERSION = "0.10.0";
   const STORAGE_KEY = "chatgptSunoPromptSlots";
   const SLOT_COUNT = 2;
   const isChatGPT = location.hostname.includes("chatgpt.com") || location.hostname.includes("chat.openai.com");
@@ -972,7 +972,7 @@
     }) || null;
   }
 
-  function findTrackRowElement(track) {
+  function findTrackRowElementNow(track) {
     const rows = getVisibleLibraryRows();
     const index = getTrackVisibleIndex(track, rows);
     if (index >= 0) return rows[index].element;
@@ -981,6 +981,42 @@
     return rows.find((row) => row.normalized.includes(title))?.element || null;
   }
 
+  function getPageScroller() {
+    return document.scrollingElement || document.documentElement || document.body;
+  }
+
+  async function findTrackRowElement(track, statusTarget) {
+    const current = findTrackRowElementNow(track);
+    if (current) return current;
+
+    const scroller = getPageScroller();
+    const originalTop = scroller.scrollTop || window.scrollY || 0;
+    const maxSteps = 50;
+    const step = Math.max(260, Math.floor(window.innerHeight * 0.72));
+
+    setStatus(statusTarget, `SUNO 화면에서 곡 행 찾는 중: ${track.title || track.id}`);
+    scroller.scrollTop = 0;
+    window.scrollTo?.(0, 0);
+    await sleep(450);
+
+    for (let stepIndex = 0; stepIndex <= maxSteps; stepIndex += 1) {
+      const found = findTrackRowElementNow(track);
+      if (found) return found;
+
+      const before = scroller.scrollTop || window.scrollY || 0;
+      scroller.scrollTop = before + step;
+      window.scrollTo?.(0, before + step);
+      await sleep(260);
+      const after = scroller.scrollTop || window.scrollY || 0;
+      if (Math.abs(after - before) < 4) break;
+    }
+
+    scroller.scrollTop = originalTop;
+    window.scrollTo?.(0, originalTop);
+    await sleep(200);
+    return null;
+  }
+
   function findMoreButtonInRow(row) {
     if (!row) return null;
     const buttons = [...row.querySelectorAll("button, [role='button']")];
@@ -1004,8 +1040,8 @@
   }
 
   async function clickSunoUiDownload(track, format, statusTarget) {
-    const row = findTrackRowElement(track);
+    const row = await findTrackRowElement(track, statusTarget);
-    if (!row) throw new Error("현재 화면에서 곡 행을 못 찾았어. SUNO 목록에서 그 곡이 보이게 스크롤한 뒤 다시 눌러줘.");
+    if (!row) throw new Error("SUNO 화면을 훑어도 곡 행을 못 찾았어. 필터/검색 때문에 목록에 안 보이는지 확인해줘.");
     const moreButton = findMoreButtonInRow(row);
     if (!moreButton) throw new Error("곡의 ... 메뉴 버튼을 못 찾았어.");