gnezim
b3ab73253d
Port Angular flight types (ISimpleFlight, IFlightLeg, ITimesSet, etc.) to minimal React-friendly interfaces. Add formatDuration/formatTime/ formatDate/isDayChange as pure functions. Stub useCityName hook as passthrough pending customer dictionary API endpoint.
91 lines
2.7 KiB
TypeScript
91 lines
2.7 KiB
TypeScript
/**
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* Datetime utility functions.
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*
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* Pure functions ported from Angular pipes (DurationPipe, DatePipe).
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* No Angular dependencies, no side effects.
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*/
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/**
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* Format a duration given in total minutes into a human-readable string.
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*
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* @example formatDuration(150) => "2h 30m"
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* @example formatDuration(150, "ru") => "2ч 30м"
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* @example formatDuration(0) => "0h 0m"
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*/
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export function formatDuration(
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minutes: number,
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locale: string = "en",
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): string {
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if (minutes < 0) return locale === "ru" ? "Неизвестно" : "Unknown";
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const days = Math.floor(minutes / (60 * 24));
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const hours = Math.floor((minutes % (60 * 24)) / 60);
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const mins = Math.floor(minutes % 60);
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const units =
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locale === "ru"
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? { d: "д", h: "ч", m: "м" }
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: { d: "d", h: "h", m: "m" };
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const daysPart = days > 0 ? `${days}${units.d} ` : "";
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return `${daysPart}${hours}${units.h} ${mins}${units.m}`;
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}
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/**
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* Format a date/ISO string into "HH:mm" time.
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*
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* @example formatTime("2025-01-15T10:30:00") => "10:30"
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* @example formatTime(new Date(2025, 0, 15, 10, 30)) => "10:30"
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*/
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export function formatTime(date: string | Date): string {
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const d = typeof date === "string" ? new Date(date) : date;
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if (Number.isNaN(d.getTime())) return "";
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const hours = String(d.getHours()).padStart(2, "0");
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const minutes = String(d.getMinutes()).padStart(2, "0");
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return `${hours}:${minutes}`;
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}
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/**
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* Format a date into a localized date string.
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*
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* @example formatDate("2025-01-15", "ru") => "15 января 2025 г."
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* @example formatDate("2025-01-15", "en") => "January 15, 2025"
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*/
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export function formatDate(
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date: string | Date,
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locale: string = "en",
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): string {
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const d = typeof date === "string" ? new Date(date) : date;
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if (Number.isNaN(d.getTime())) return "";
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return d.toLocaleDateString(locale === "ru" ? "ru-RU" : "en-US", {
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year: "numeric",
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month: "long",
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day: "numeric",
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});
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}
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/**
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* Calculate the day offset between two dates (ignoring time).
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* Returns 0 if same day, +1 if actual is the next day, etc.
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*
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* @example isDayChange("2025-01-15T23:00", "2025-01-16T01:00") => 1
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*/
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export function isDayChange(
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scheduledDate: string | Date,
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actualDate: string | Date,
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): number {
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const s = typeof scheduledDate === "string" ? new Date(scheduledDate) : scheduledDate;
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const a = typeof actualDate === "string" ? new Date(actualDate) : actualDate;
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if (Number.isNaN(s.getTime()) || Number.isNaN(a.getTime())) return 0;
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// Compare calendar dates (ignoring time)
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const sDay = new Date(s.getFullYear(), s.getMonth(), s.getDate());
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const aDay = new Date(a.getFullYear(), a.getMonth(), a.getDate());
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const diffMs = aDay.getTime() - sDay.getTime();
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return Math.round(diffMs / (24 * 60 * 60 * 1000));
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}
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