vremel/dist/datetime/clamp.js

JavaScript date utility library for Temporal API

import { assertSameType, assertValidInterval } from "../assert.js";
import { compare } from "./_compare.js";
/**
 * Returns a datetime object clamped within the given interval.
 * * When the given datetime is earlier than the start of the interval, the start will be returned.
 * * When the given datetime is later than the end of the interval, the end will be returned.
 * * Otherwise the given datetime will be returned.
 * @param dateTime datetime object
 * @param interval interval
 * @returns clamped datetime object
 */
export function clamp(dateTime, interval) {
    assertValidInterval(interval);
    assertSameType(dateTime, interval.start);
    if (compare(dateTime, interval.start) === -1) {
        return interval.start;
    }
    if (compare(dateTime, interval.end) === 1) {
        return interval.end;
    }
    return dateTime;
}
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