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scale timeline ruler labels to hours

This commit is contained in:
Maze Winther 2026-02-08 18:32:08 +01:00
parent dc0b57cd6a
commit 0282ef2223
1 changed files with 15 additions and 4 deletions
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19
apps/web/src/lib/timeline/ruler-utils.ts
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@ -15,7 +15,9 @@ const TICK_FRAME_INTERVALS = [1, 2, 3, 5, 10, 15] as const;
/**
* second intervals for when we're zoomed out past frame-level detail.
*/
const SECOND_MULTIPLIERS = [1, 2, 3, 5, 10, 15, 30, 60] as const;
const SECOND_MULTIPLIERS = [
1, 2, 3, 5, 10, 15, 30, 60, 120, 300, 600, 900, 1800, 3600,
] as const;
/**
* minimum pixel spacing between labels to keep them readable
@ -233,11 +235,20 @@ function getFrameWithinSecond({
}
/**
* formats a timestamp as MM:SS.
* formats a timestamp as MM:SS or H:MM:SS when >= 1 hour.
*/
function formatTimestamp({ timeInSeconds }: { timeInSeconds: number }): string {
const totalSeconds = Math.round(timeInSeconds);
const minutes = Math.floor(totalSeconds / 60);
const hours = Math.floor(totalSeconds / 3600);
const minutes = Math.floor((totalSeconds % 3600) / 60);
const seconds = totalSeconds % 60;
return `${minutes.toString().padStart(2, "0")}:${seconds.toString().padStart(2, "0")}`;
const mm = minutes.toString().padStart(2, "0");
const ss = seconds.toString().padStart(2, "0");
if (hours > 0) {
return `${hours}:${mm}:${ss}`;
}
return `${mm}:${ss}`;
}