refactor: restructure files to their domains, new preview overlay system, and dep graph

1 files changed, 50 insertions, 0 deletions

diff --git a/apps/web/src/timeline/components/snap-indicator.tsx b/apps/web/src/timeline/components/snap-indicator.tsx
new file mode 100644
index 00000000..6c1dbf1a
--- /dev/null
+++ b/apps/web/src/timeline/components/snap-indicator.tsx
@@ -0,0 +1,50 @@
+"use client";
+
+import { useSnapIndicatorPosition } from "@/timeline/hooks/use-snap-indicator-position";
+import type { SnapPoint } from "@/timeline/snapping";
+import {
+	getCenteredLineLeft,
+	TIMELINE_INDICATOR_LINE_WIDTH_PX,
+} from "@/timeline";
+import { TIMELINE_LAYERS } from "./layers";
+interface SnapIndicatorProps {
+	snapPoint: SnapPoint | null;
+	zoomLevel: number;
+	isVisible: boolean;
+	timelineRef: React.RefObject<HTMLDivElement | null>;
+	tracksScrollRef: React.RefObject<HTMLDivElement | null>;
+}
+
+export function SnapIndicator({
+	snapPoint,
+	zoomLevel,
+	isVisible,
+	timelineRef,
+	tracksScrollRef,
+}: SnapIndicatorProps) {
+	const { leftPosition, topPosition, height } = useSnapIndicatorPosition({
+		snapPoint,
+		zoomLevel,
+		timelineRef,
+		tracksScrollRef,
+	});
+
+	if (!isVisible || !snapPoint) {
+		return null;
+	}
+
+	return (
+		<div
+			className="pointer-events-none absolute"
+			style={{
+				left: `${getCenteredLineLeft({ centerPixel: leftPosition })}px`,
+				top: topPosition,
+				height: `${height}px`,
+				width: `${TIMELINE_INDICATOR_LINE_WIDTH_PX}px`,
+				zIndex: TIMELINE_LAYERS.snapIndicator,
+			}}
+		>
+			<div className={"bg-primary/40 h-full w-0.5 opacity-80"} />
+		</div>
+	);
+}