ngx-bootstrap
Version:
Native Angular Bootstrap Components
94 lines (93 loc) • 9.98 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
import { createUTCDate } from '../create/date-from-array';
import { daysInYear } from './year';
import { getDayOfYear } from './day-of-year';
import { getFullYear } from '../utils/date-getters';
/**
* @param {?} year
* @param {?} dow
* @param {?} doy
* @return {?}
*/
function firstWeekOffset(year, dow, doy) {
// first-week day -- which january is always in the first week (4 for iso, 1 for other)
const /** @type {?} */ fwd = dow - doy + 7;
// first-week day local weekday -- which local weekday is fwd
const /** @type {?} */ fwdlw = (createUTCDate(year, 0, fwd).getUTCDay() - dow + 7) % 7;
return -fwdlw + fwd - 1;
}
/**
* @param {?} year
* @param {?} week
* @param {?} weekday
* @param {?} dow
* @param {?} doy
* @return {?}
*/
export function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
const /** @type {?} */ localWeekday = (7 + weekday - dow) % 7;
const /** @type {?} */ weekOffset = firstWeekOffset(year, dow, doy);
const /** @type {?} */ dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset;
let /** @type {?} */ resYear;
let /** @type {?} */ resDayOfYear;
if (dayOfYear <= 0) {
resYear = year - 1;
resDayOfYear = daysInYear(resYear) + dayOfYear;
}
else if (dayOfYear > daysInYear(year)) {
resYear = year + 1;
resDayOfYear = dayOfYear - daysInYear(year);
}
else {
resYear = year;
resDayOfYear = dayOfYear;
}
return {
year: resYear,
dayOfYear: resDayOfYear
};
}
/**
* @param {?} date
* @param {?} dow
* @param {?} doy
* @param {?=} isUTC
* @return {?}
*/
export function weekOfYear(date, dow, doy, isUTC) {
const /** @type {?} */ weekOffset = firstWeekOffset(getFullYear(date, isUTC), dow, doy);
const /** @type {?} */ week = Math.floor((getDayOfYear(date, isUTC) - weekOffset - 1) / 7) + 1;
let /** @type {?} */ resWeek;
let /** @type {?} */ resYear;
if (week < 1) {
resYear = getFullYear(date, isUTC) - 1;
resWeek = week + weeksInYear(resYear, dow, doy);
}
else if (week > weeksInYear(getFullYear(date, isUTC), dow, doy)) {
resWeek = week - weeksInYear(getFullYear(date, isUTC), dow, doy);
resYear = getFullYear(date, isUTC) + 1;
}
else {
resYear = getFullYear(date, isUTC);
resWeek = week;
}
return {
week: resWeek,
year: resYear
};
}
/**
* @param {?} year
* @param {?} dow
* @param {?} doy
* @return {?}
*/
export function weeksInYear(year, dow, doy) {
const /** @type {?} */ weekOffset = firstWeekOffset(year, dow, doy);
const /** @type {?} */ weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
}
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