Function filterHistoryByTimeRange

Source

export function filterHistoryByTimeRange(
  history: ReadingHistory,
  timeRange: TimeRange,
): ReadingHistoryEntry[] {
  if (timeRange === "all") {
    return history.entries;
  }

  const now = Date.now();
  const ranges = {
    "7d": 7 * 24 * 60 * 60 * 1000,
    "30d": 30 * 24 * 60 * 60 * 1000,
    "90d": 90 * 24 * 60 * 60 * 1000,
  };

  const cutoff = now - ranges[timeRange];
  return history.entries.filter((entry) => entry.timestamp >= cutoff);
}
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