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saltbo
60f8f64481
Build versioned UTC hourly rollups, validate analytics facts, and keep dashboard requests result-only with explicit coverage semantics. Move derived metrics to the server and simplify the admin dashboard around one reconcilable UTC range without export.
16 lines
536 B
TypeScript
16 lines
536 B
TypeScript
export function statsDayKey(date: Date): string {
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return date.toISOString().slice(0, 10)
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}
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export function utcDateStart(date: string): Date {
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const value = new Date(`${date}T00:00:00.000Z`)
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if (Number.isNaN(value.getTime()) || statsDayKey(value) !== date) throw new Error(`Invalid UTC date: ${date}`)
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return value
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}
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export function addCalendarDays(date: string, days: number): string {
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const value = new Date(`${date}T00:00:00.000Z`)
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value.setUTCDate(value.getUTCDate() + days)
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return value.toISOString().slice(0, 10)
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}
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