ngx-bootstrap/chronos/utils/start-end-of.js

Native Angular Bootstrap Components

import { setDate, setHours, setMilliseconds, setMinutes, setMonth, setSeconds } from './date-setters';
import { cloneDate } from '../create/clone';
import { setISODayOfWeek, setLocaleDayOfWeek } from '../units/day-of-week';
import { getMonth } from './date-getters';
import { add, subtract } from '../moment/add-subtract';
export function startOf(date, unit, isUTC) {
    var _date = cloneDate(date);
    // the following switch intentionally omits break keywords
    // to utilize falling through the cases.
    switch (unit) {
        case 'year':
            setMonth(_date, 0, isUTC);
        /* falls through */
        case 'quarter':
        case 'month':
            setDate(_date, 1, isUTC);
        /* falls through */
        case 'week':
        case 'isoWeek':
        case 'day':
        case 'date':
            setHours(_date, 0, isUTC);
        /* falls through */
        case 'hours':
            setMinutes(_date, 0, isUTC);
        /* falls through */
        case 'minutes':
            setSeconds(_date, 0, isUTC);
        /* falls through */
        case 'seconds':
            setMilliseconds(_date, 0, isUTC);
    }
    // weeks are a special case
    if (unit === 'week') {
        setLocaleDayOfWeek(_date, 0, { isUTC: isUTC });
    }
    if (unit === 'isoWeek') {
        setISODayOfWeek(_date, 1);
    }
    // quarters are also special
    if (unit === 'quarter') {
        setMonth(_date, Math.floor(getMonth(_date, isUTC) / 3) * 3, isUTC);
    }
    return _date;
}
export function endOf(date, unit, isUTC) {
    var _unit = unit;
    // 'date' is an alias for 'day', so it should be considered as such.
    if (_unit === 'date') {
        _unit = 'day';
    }
    var start = startOf(date, _unit, isUTC);
    var _step = add(start, 1, _unit === 'isoWeek' ? 'week' : _unit, isUTC);
    var res = subtract(_step, 1, 'milliseconds', isUTC);
    return res;
}
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