Function hasChanges

Source

export function hasChanges(
  entry: AniListMediaEntry,
  syncConfig: SyncConfig,
): boolean {
  // New entry: not in userLibrary
  if (!entry.previousValues) return true;

  // Completed and preserve setting: skip
  if (
    entry.previousValues.status === "COMPLETED" &&
    syncConfig.preserveCompletedStatus
  ) {
    return false;
  }

  // Status change
  const shouldUpdateStatus = syncConfig.prioritizeAniListStatus
    ? false
    : entry.status !== entry.previousValues.status;

  // Progress change
  const shouldUpdateProgress = syncConfig.prioritizeAniListProgress
    ? entry.progress > entry.previousValues.progress
    : entry.progress !== entry.previousValues.progress;

  // Score change
  const anilistScore = Number(entry.previousValues.score || 0);
  const kenmeiScore = Number(entry.score || 0);
  const shouldUpdateScore =
    entry.previousValues.status === "COMPLETED" &&
    syncConfig.preserveCompletedStatus
      ? false
      : (() => {
          if (syncConfig.prioritizeAniListScore && anilistScore > 0) {
            return false;
          }
          return (
            kenmeiScore > 0 &&
            (anilistScore === 0 || Math.abs(kenmeiScore - anilistScore) >= 0.5)
          );
        })();

  // Privacy change
  const shouldUpdatePrivacy =
    syncConfig.setPrivate && !entry.previousValues.private;

  return (
    shouldUpdateStatus ||
    shouldUpdateProgress ||
    shouldUpdateScore ||
    shouldUpdatePrivacy
  );
}
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