@burglekitt/gmt/dist/unix/interval/resolveUnixIntervalPair.js

Temporal-based date and time utilities with timezone support and polyfill integration

import { Temporal } from "@js-temporal/polyfill";
import { resolveDateTimeUnit } from "../../internal/index.js";
import { isValidUnixEpochPair, resolveUnixTimeZone, } from "../../internal/resolveUnixTimeZone.js";
import { isValidDateTimeUnit } from "../../plain/validate/index.js";
export function resolveUnixIntervalPair(start, end, unit) {
    if (typeof start !== "number" && typeof start !== "string") {
        return null;
    }
    if (typeof end !== "number" && typeof end !== "string") {
        return null;
    }
    const startMs = typeof start === "number" ? start : Number(start);
    const endMs = typeof end === "number" ? end : Number(end);
    if (!isValidUnixEpochPair(startMs, endMs) || startMs > endMs) {
        return null;
    }
    if (typeof unit !== "string") {
        return null;
    }
    const resolvedUnit = resolveDateTimeUnit(unit);
    if (!isValidDateTimeUnit(resolvedUnit)) {
        return null;
    }
    try {
        const timeZone = resolveUnixTimeZone();
        if (!timeZone) {
            return null;
        }
        const startVal = Temporal.Instant.fromEpochMilliseconds(startMs).toZonedDateTimeISO(timeZone);
        const endVal = Temporal.Instant.fromEpochMilliseconds(endMs).toZonedDateTimeISO(timeZone);
        return { startVal, endVal, resolvedUnit };
    }
    catch {
        return null;
    }
}