From e222f15d1dd50aa50be8c7424d86aa7fedf0defc Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Sun, 31 Aug 2025 13:26:53 +0200
Subject: feat: implement timeline caching with cache indicator

---
 .../components/editor/timeline/timeline-marker.tsx | 67 ++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 apps/web/src/components/editor/timeline/timeline-marker.tsx

(limited to 'apps/web/src/components/editor/timeline/timeline-marker.tsx')

diff --git a/apps/web/src/components/editor/timeline/timeline-marker.tsx b/apps/web/src/components/editor/timeline/timeline-marker.tsx
new file mode 100644
index 00000000..1351a457
--- /dev/null
+++ b/apps/web/src/components/editor/timeline/timeline-marker.tsx
@@ -0,0 +1,67 @@
+"use client";
+
+import { cn } from "@/lib/utils";
+import { TIMELINE_CONSTANTS } from "@/constants/timeline-constants";
+
+interface TimelineMarkerProps {
+  time: number;
+  zoomLevel: number;
+  interval: number;
+  isMainMarker: boolean;
+}
+
+export function TimelineMarker({
+  time,
+  zoomLevel,
+  interval,
+  isMainMarker,
+}: TimelineMarkerProps) {
+  return (
+    <div
+      className={cn(
+        "absolute top-0 h-4",
+        isMainMarker
+          ? "border-l border-muted-foreground/40"
+          : "border-l border-muted-foreground/20"
+      )}
+      style={{
+        left: `${time * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel}px`,
+      }}
+    >
+      <span
+        className={cn(
+          "absolute top-1 left-1 text-[0.6rem]",
+          isMainMarker
+            ? "text-muted-foreground font-medium"
+            : "text-muted-foreground/70"
+        )}
+      >
+        {(() => {
+          const formatTime = (seconds: number) => {
+            const hours = Math.floor(seconds / 3600);
+            const minutes = Math.floor((seconds % 3600) / 60);
+            const secs = seconds % 60;
+
+            if (hours > 0) {
+              return `${hours}:${minutes
+                .toString()
+                .padStart(2, "0")}:${Math.floor(secs)
+                .toString()
+                .padStart(2, "0")}`;
+            }
+            if (minutes > 0) {
+              return `${minutes}:${Math.floor(secs)
+                .toString()
+                .padStart(2, "0")}`;
+            }
+            if (interval >= 1) {
+              return `${Math.floor(secs)}s`;
+            }
+            return `${secs.toFixed(1)}s`;
+          };
+          return formatTime(time);
+        })()}
+      </span>
+    </div>
+  );
+}
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