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https://github.com/OpenCut-app/OpenCut.git
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feat: bunx biome format --write .
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@@ -1,57 +1,61 @@
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import { useEffect, useRef } from "react";
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export interface TimelineScrollSyncProps {
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rulerScrollRef: React.RefObject<HTMLDivElement>;
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tracksScrollRef: React.RefObject<HTMLDivElement>;
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rulerScrollRef: React.RefObject<HTMLDivElement>;
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tracksScrollRef: React.RefObject<HTMLDivElement>;
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}
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export function useTimelineScrollSync({
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rulerScrollRef,
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tracksScrollRef,
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rulerScrollRef,
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tracksScrollRef,
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}: TimelineScrollSyncProps) {
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const isUpdatingRef = useRef(false);
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const lastSyncRef = useRef(0);
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const isUpdatingRef = useRef(false);
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const lastSyncRef = useRef(0);
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// --- Horizontal scroll synchronization between ruler and tracks ---
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useEffect(() => {
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const rulerViewport = rulerScrollRef.current?.querySelector(
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"[data-radix-scroll-area-viewport]"
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) as HTMLElement;
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const tracksViewport = tracksScrollRef.current?.querySelector(
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"[data-radix-scroll-area-viewport]"
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) as HTMLElement;
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// --- Horizontal scroll synchronization between ruler and tracks ---
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useEffect(() => {
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const rulerViewport = rulerScrollRef.current?.querySelector(
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"[data-radix-scroll-area-viewport]",
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) as HTMLElement;
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const tracksViewport = tracksScrollRef.current?.querySelector(
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"[data-radix-scroll-area-viewport]",
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) as HTMLElement;
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if (!rulerViewport || !tracksViewport) return;
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if (!rulerViewport || !tracksViewport) return;
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// Throttled scroll handlers for better performance
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const handleRulerScroll = () => {
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const now = Date.now();
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if (isUpdatingRef.current || now - lastSyncRef.current < 16) return; // 60fps throttling
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lastSyncRef.current = now;
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// Throttled scroll handlers for better performance
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const handleRulerScroll = () => {
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const now = Date.now();
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if (isUpdatingRef.current || now - lastSyncRef.current < 16) return; // 60fps throttling
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lastSyncRef.current = now;
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isUpdatingRef.current = true;
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tracksViewport.scrollLeft = rulerViewport.scrollLeft;
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isUpdatingRef.current = false;
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};
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isUpdatingRef.current = true;
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tracksViewport.scrollLeft = rulerViewport.scrollLeft;
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isUpdatingRef.current = false;
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};
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const handleTracksScroll = () => {
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const now = Date.now();
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if (isUpdatingRef.current || now - lastSyncRef.current < 16) return; // 60fps throttling
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lastSyncRef.current = now;
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const handleTracksScroll = () => {
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const now = Date.now();
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if (isUpdatingRef.current || now - lastSyncRef.current < 16) return; // 60fps throttling
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lastSyncRef.current = now;
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isUpdatingRef.current = true;
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rulerViewport.scrollLeft = tracksViewport.scrollLeft;
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isUpdatingRef.current = false;
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};
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isUpdatingRef.current = true;
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rulerViewport.scrollLeft = tracksViewport.scrollLeft;
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isUpdatingRef.current = false;
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};
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rulerViewport.addEventListener("scroll", handleRulerScroll, { passive: true });
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tracksViewport.addEventListener("scroll", handleTracksScroll, { passive: true });
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rulerViewport.addEventListener("scroll", handleRulerScroll, {
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passive: true,
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});
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tracksViewport.addEventListener("scroll", handleTracksScroll, {
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passive: true,
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});
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return () => {
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rulerViewport.removeEventListener("scroll", handleRulerScroll);
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tracksViewport.removeEventListener("scroll", handleTracksScroll);
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};
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}, [rulerScrollRef, tracksScrollRef]);
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return () => {
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rulerViewport.removeEventListener("scroll", handleRulerScroll);
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tracksViewport.removeEventListener("scroll", handleTracksScroll);
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};
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}, [rulerScrollRef, tracksScrollRef]);
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return null;
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return null;
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}
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