24 lines
1.1 KiB
TypeScript
24 lines
1.1 KiB
TypeScript
export const MIN_WALLPAPER_FREQUENCY_HOURS = 1;
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export const MAX_WALLPAPER_FREQUENCY_HOURS = 48;
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export const DEFAULT_WALLPAPER_FREQUENCY_HOURS = 24;
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export const getWallpaperFrequencyHours = (frequency: string): number => {
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if (!frequency) return DEFAULT_WALLPAPER_FREQUENCY_HOURS;
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const match = frequency.match(/^(\d+)(h|d)$/);
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if (!match) return DEFAULT_WALLPAPER_FREQUENCY_HOURS;
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const value = parseInt(match[1], 10);
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const hours = match[2] === 'd' ? value * 24 : value;
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return Math.min(MAX_WALLPAPER_FREQUENCY_HOURS, Math.max(MIN_WALLPAPER_FREQUENCY_HOURS, hours));
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};
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export const getWallpaperFrequencyMs = (frequency: string): number =>
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getWallpaperFrequencyHours(frequency) * 60 * 60 * 1000;
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export const formatWallpaperFrequency = (hours: number): string =>
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`${hours} ${hours === 1 ? 'hour' : 'hours'}`;
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export const getRandomWallpaperIndex = (wallpaperCount: number, currentIndex: number): number => {
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if (wallpaperCount <= 1) return 0;
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const offset = Math.floor(Math.random() * (wallpaperCount - 1)) + 1;
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return (currentIndex + offset) % wallpaperCount;
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}; |