Commit With Frontend and Backend in MERN

backend/node_modules/moment/src/lib/units/week-year.js

@@ -0,0 +1,128 @@
+import { addFormatToken } from '../format/format';
+import {
+    addRegexToken,
+    match1to2,
+    match1to4,
+    match1to6,
+    match2,
+    match4,
+    match6,
+    matchSigned,
+} from '../parse/regex';
+import { addWeekParseToken } from '../parse/token';
+import {
+    weekOfYear,
+    weeksInYear,
+    dayOfYearFromWeeks,
+} from './week-calendar-utils';
+import toInt from '../utils/to-int';
+import { hooks } from '../utils/hooks';
+import { createUTCDate } from '../create/date-from-array';
+
+// FORMATTING
+
+addFormatToken(0, ['gg', 2], 0, function () {
+    return this.weekYear() % 100;
+});
+
+addFormatToken(0, ['GG', 2], 0, function () {
+    return this.isoWeekYear() % 100;
+});
+
+function addWeekYearFormatToken(token, getter) {
+    addFormatToken(0, [token, token.length], 0, getter);
+}
+
+addWeekYearFormatToken('gggg', 'weekYear');
+addWeekYearFormatToken('ggggg', 'weekYear');
+addWeekYearFormatToken('GGGG', 'isoWeekYear');
+addWeekYearFormatToken('GGGGG', 'isoWeekYear');
+
+// ALIASES
+
+// PARSING
+
+addRegexToken('G', matchSigned);
+addRegexToken('g', matchSigned);
+addRegexToken('GG', match1to2, match2);
+addRegexToken('gg', match1to2, match2);
+addRegexToken('GGGG', match1to4, match4);
+addRegexToken('gggg', match1to4, match4);
+addRegexToken('GGGGG', match1to6, match6);
+addRegexToken('ggggg', match1to6, match6);
+
+addWeekParseToken(
+    ['gggg', 'ggggg', 'GGGG', 'GGGGG'],
+    function (input, week, config, token) {
+        week[token.substr(0, 2)] = toInt(input);
+    }
+);
+
+addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
+    week[token] = hooks.parseTwoDigitYear(input);
+});
+
+// MOMENTS
+
+export function getSetWeekYear(input) {
+    return getSetWeekYearHelper.call(
+        this,
+        input,
+        this.week(),
+        this.weekday() + this.localeData()._week.dow,
+        this.localeData()._week.dow,
+        this.localeData()._week.doy
+    );
+}
+
+export function getSetISOWeekYear(input) {
+    return getSetWeekYearHelper.call(
+        this,
+        input,
+        this.isoWeek(),
+        this.isoWeekday(),
+        1,
+        4
+    );
+}
+
+export function getISOWeeksInYear() {
+    return weeksInYear(this.year(), 1, 4);
+}
+
+export function getISOWeeksInISOWeekYear() {
+    return weeksInYear(this.isoWeekYear(), 1, 4);
+}
+
+export function getWeeksInYear() {
+    var weekInfo = this.localeData()._week;
+    return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
+}
+
+export function getWeeksInWeekYear() {
+    var weekInfo = this.localeData()._week;
+    return weeksInYear(this.weekYear(), weekInfo.dow, weekInfo.doy);
+}
+
+function getSetWeekYearHelper(input, week, weekday, dow, doy) {
+    var weeksTarget;
+    if (input == null) {
+        return weekOfYear(this, dow, doy).year;
+    } else {
+        weeksTarget = weeksInYear(input, dow, doy);
+        if (week > weeksTarget) {
+            week = weeksTarget;
+        }
+        return setWeekAll.call(this, input, week, weekday, dow, doy);
+    }
+}
+
+function setWeekAll(weekYear, week, weekday, dow, doy) {
+    var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
+        date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);
+
+    this.year(date.getUTCFullYear());
+    this.month(date.getUTCMonth());
+    this.date(date.getUTCDate());
+    return this;
+}