48 lines
1.5 KiB
TypeScript
48 lines
1.5 KiB
TypeScript
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export const HOURS_PER_DAY = 24 as const;
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export const DEFAULT_PROJECT_DAY_LENGTH_MINUTES = 24 as const;
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export const DEFAULT_PROJECT_START_TIME_OF_DAY_HOURS = 9 as const;
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export interface ProjectTimeSettings {
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startTimeOfDayHours: number;
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dayLengthMinutes: number;
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}
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export function normalizeTimeOfDayHours(hours: number): number {
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const wrappedHours = hours % HOURS_PER_DAY;
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return wrappedHours < 0 ? wrappedHours + HOURS_PER_DAY : wrappedHours;
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}
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export function formatTimeOfDayHours(hours: number): string {
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const normalizedHours = normalizeTimeOfDayHours(hours);
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const totalMinutes = Math.round(normalizedHours * 60) % (HOURS_PER_DAY * 60);
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const wholeHours = Math.floor(totalMinutes / 60);
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const minutes = totalMinutes % 60;
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return `${String(wholeHours).padStart(2, "0")}:${String(minutes).padStart(2, "0")}`;
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}
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export function createDefaultProjectTimeSettings(): ProjectTimeSettings {
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return {
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startTimeOfDayHours: DEFAULT_PROJECT_START_TIME_OF_DAY_HOURS,
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dayLengthMinutes: DEFAULT_PROJECT_DAY_LENGTH_MINUTES
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};
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}
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export function cloneProjectTimeSettings(
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settings: ProjectTimeSettings
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): ProjectTimeSettings {
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return {
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startTimeOfDayHours: settings.startTimeOfDayHours,
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dayLengthMinutes: settings.dayLengthMinutes
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};
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}
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export function areProjectTimeSettingsEqual(
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left: ProjectTimeSettings,
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right: ProjectTimeSettings
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): boolean {
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return (
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left.startTimeOfDayHours === right.startTimeOfDayHours &&
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left.dayLengthMinutes === right.dayLengthMinutes
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);
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}
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