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/** |
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* Time format constants used across the application |
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* Centralized time-related constants for validation, formatting, and calculations |
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*/ |
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export const TIME_CONSTANTS = { |
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/** Minimum hour in 24-hour format (0 = midnight) */ |
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MIN_HOUR_24: 0 as number, |
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/** Maximum hour in 24-hour format (23 = 11 PM) */ |
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MAX_HOUR_24: 23 as number, |
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/** Minimum hour in 12-hour format (1 AM) */ |
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MIN_HOUR_12: 1 as number, |
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/** Maximum hour in 12-hour format (12 PM/AM) */ |
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MAX_HOUR_12: 12 as number, |
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/** Hour value for AM/PM conversion (12 noon/midnight) */ |
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MERIDIEM_12_HOUR: 12 as number, |
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/** Minimum minute value (0) */ |
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MIN_MINUTE: 0 as number, |
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/** Maximum minute value (59) */ |
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MAX_MINUTE: 59 as number, |
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/** Number of hours in a day (24) */ |
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MIN_HOURS_IN_DAY: 24 as number, |
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/** Number of minutes per hour (60) */ |
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MINUTES_PER_HOUR: 60 as number, |
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/** Maximum time in minutes since midnight (23:59 = 1439 minutes) */ |
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MAX_TIME_IN_MINUTES: (23 * 60 + 59) as number, |
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} as const |
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/** |
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* Type-safe access to TIME_CONSTANTS |
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*/ |
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export type TimeConstants = typeof TIME_CONSTANTS |
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