refactor: move constants to src/constants

apps/web/src/lib/timeline-constants.ts

@@ -1,78 +0,0 @@
-import type { TrackType } from "@/types/timeline";
-
-// Track color definitions
-export const TRACK_COLORS: Record<
-  TrackType,
-  { solid: string; background: string; border: string }
-> = {
-  media: {
-    solid: "bg-blue-500",
-    background: "bg-blue-500/20",
-    border: "border-white/80",
-  },
-  text: {
-    solid: "bg-[#9C4937]",
-    background: "bg-[#9C4937]",
-    border: "border-white/80",
-  },
-  audio: {
-    solid: "bg-green-500",
-    background: "bg-green-500/20",
-    border: "border-white/80",
-  },
-} as const;
-
-// Utility functions
-export function getTrackColors(type: TrackType) {
-  return TRACK_COLORS[type];
-}
-
-export function getTrackElementClasses(type: TrackType) {
-  const colors = getTrackColors(type);
-  return `${colors.background} ${colors.border}`;
-}
-
-// Track height definitions
-export const TRACK_HEIGHTS: Record<TrackType, number> = {
-  media: 65,
-  text: 25,
-  audio: 50,
-} as const;
-
-// Utility function for track heights
-export function getTrackHeight(type: TrackType): number {
-  return TRACK_HEIGHTS[type];
-}
-
-// Calculate cumulative height up to (but not including) a track index
-export function getCumulativeHeightBefore(
-  tracks: Array<{ type: TrackType }>,
-  trackIndex: number
-): number {
-  const GAP = 4; // 4px gap between tracks (equivalent to Tailwind's gap-1)
-  return tracks
-    .slice(0, trackIndex)
-    .reduce((sum, track) => sum + getTrackHeight(track.type) + GAP, 0);
-}
-
-// Calculate total height of all tracks
-export function getTotalTracksHeight(
-  tracks: Array<{ type: TrackType }>
-): number {
-  const GAP = 4; // 4px gap between tracks (equivalent to Tailwind's gap-1)
-  const tracksHeight = tracks.reduce(
-    (sum, track) => sum + getTrackHeight(track.type),
-    0
-  );
-  const gapsHeight = Math.max(0, tracks.length - 1) * GAP; // n-1 gaps for n tracks
-  return tracksHeight + gapsHeight;
-}
-
-// Other timeline constants
-export const TIMELINE_CONSTANTS = {
-  ELEMENT_MIN_WIDTH: 80,
-  PIXELS_PER_SECOND: 50,
-  TRACK_HEIGHT: 60, // Default fallback
-  DEFAULT_TEXT_DURATION: 5,
-  ZOOM_LEVELS: [0.25, 0.5, 1, 1.5, 2, 3, 4],
-} as const;