lifetracker/packages/shared/utils/days.ts

33 lines
914 B
TypeScript

import { format, addHours } from "date-fns";
import { TZDate } from "@date-fns/tz";
import { UTCDate, utc } from "@date-fns/utc";
export function dateFromInput(input: { dateQuery: string, timezone: string }) {
let t: string;
if (input.dateQuery == "today") {
t = new Date();
return format(t, "yyyy-MM-dd", { in: input.timezone });
}
else {
t = new UTCDate(input.dateQuery);
return format(t, "yyyy-MM-dd", { in: utc });
}
}
function generateHour(d, t) {
const dt: TZDate = addHours(d, t);
return {
date: format(dt, 'yyyy-MM-dd'),
time: parseInt(format(dt, 'H')),
};
}
export function hoursListInTimezone(input: { dateQuery: string, timezone: string }) {
const dateStr = dateFromInput(input);
const d = new TZDate(dateStr, input.timezone);
return Array.from({ length: 24 }, (_, t) =>
generateHour(d, t)
);
}