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authorSebastian <sebasjm@gmail.com>2021-08-23 16:46:06 -0300
committerSebastian <sebasjm@gmail.com>2021-08-23 16:48:30 -0300
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tree453dbf70000cc5e338b06201af1eaca8343f8f73 /date-fns/src/setWeekYear
parentf26125e039143b92dc0d84e7775f508ab0cdcaa8 (diff)
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Diffstat (limited to 'date-fns/src/setWeekYear')
-rw-r--r--date-fns/src/setWeekYear/index.d.ts4
-rw-r--r--date-fns/src/setWeekYear/index.js77
-rw-r--r--date-fns/src/setWeekYear/index.js.flow60
-rw-r--r--date-fns/src/setWeekYear/test.js109
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diff --git a/date-fns/src/setWeekYear/index.d.ts b/date-fns/src/setWeekYear/index.d.ts
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--- /dev/null
+++ b/date-fns/src/setWeekYear/index.d.ts
@@ -0,0 +1,4 @@
+// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.
+
+import { setWeekYear } from 'date-fns'
+export default setWeekYear
diff --git a/date-fns/src/setWeekYear/index.js b/date-fns/src/setWeekYear/index.js
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--- /dev/null
+++ b/date-fns/src/setWeekYear/index.js
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+import differenceInCalendarDays from '../differenceInCalendarDays/index'
+import startOfWeekYear from '../startOfWeekYear/index'
+import toDate from '../toDate/index'
+import toInteger from '../_lib/toInteger/index'
+import requiredArgs from '../_lib/requiredArgs/index'
+
+/**
+ * @name setWeekYear
+ * @category Week-Numbering Year Helpers
+ * @summary Set the local week-numbering year to the given date.
+ *
+ * @description
+ * Set the local week-numbering year to the given date,
+ * saving the week number and the weekday number.
+ * The exact calculation depends on the values of
+ * `options.weekStartsOn` (which is the index of the first day of the week)
+ * and `options.firstWeekContainsDate` (which is the day of January, which is always in
+ * the first week of the week-numbering year)
+ *
+ * Week numbering: https://en.wikipedia.org/wiki/Week#Week_numbering
+ *
+ * ### v2.0.0 breaking changes:
+ *
+ * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
+ *
+ * @param {Date|Number} date - the date to be changed
+ * @param {Number} weekYear - the local week-numbering year of the new date
+ * @param {Object} [options] - an object with options.
+ * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
+ * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)
+ * @param {1|2|3|4|5|6|7} [options.firstWeekContainsDate=1] - the day of January, which is always in the first week of the year
+ * @returns {Date} the new date with the local week-numbering year set
+ * @throws {TypeError} 2 arguments required
+ * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6
+ * @throws {RangeError} `options.firstWeekContainsDate` must be between 1 and 7
+ *
+ * @example
+ * // Set the local week-numbering year 2004 to 2 January 2010 with default options:
+ * var result = setWeekYear(new Date(2010, 0, 2), 2004)
+ * //=> Sat Jan 03 2004 00:00:00
+ *
+ * @example
+ * // Set the local week-numbering year 2004 to 2 January 2010,
+ * // if Monday is the first day of week
+ * // and 4 January is always in the first week of the year:
+ * var result = setWeekYear(new Date(2010, 0, 2), 2004, {
+ * weekStartsOn: 1,
+ * firstWeekContainsDate: 4
+ * })
+ * //=> Sat Jan 01 2005 00:00:00
+ */
+export default function setWeekYear(dirtyDate, dirtyWeekYear, dirtyOptions) {
+ requiredArgs(2, arguments)
+
+ var options = dirtyOptions || {}
+ var locale = options.locale
+ var localeFirstWeekContainsDate =
+ locale && locale.options && locale.options.firstWeekContainsDate
+ var defaultFirstWeekContainsDate =
+ localeFirstWeekContainsDate == null
+ ? 1
+ : toInteger(localeFirstWeekContainsDate)
+ var firstWeekContainsDate =
+ options.firstWeekContainsDate == null
+ ? defaultFirstWeekContainsDate
+ : toInteger(options.firstWeekContainsDate)
+
+ var date = toDate(dirtyDate)
+ var weekYear = toInteger(dirtyWeekYear)
+ var diff = differenceInCalendarDays(date, startOfWeekYear(date, dirtyOptions))
+ var firstWeek = new Date(0)
+ firstWeek.setFullYear(weekYear, 0, firstWeekContainsDate)
+ firstWeek.setHours(0, 0, 0, 0)
+ date = startOfWeekYear(firstWeek, dirtyOptions)
+ date.setDate(date.getDate() + diff)
+ return date
+}
diff --git a/date-fns/src/setWeekYear/index.js.flow b/date-fns/src/setWeekYear/index.js.flow
new file mode 100644
index 0000000..12a9d84
--- /dev/null
+++ b/date-fns/src/setWeekYear/index.js.flow
@@ -0,0 +1,60 @@
+// @flow
+// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.
+
+export type Interval = {
+ start: Date | number,
+ end: Date | number,
+}
+
+export type Locale = {
+ code?: string,
+ formatDistance?: (...args: Array<any>) => any,
+ formatRelative?: (...args: Array<any>) => any,
+ localize?: {
+ ordinalNumber: (...args: Array<any>) => any,
+ era: (...args: Array<any>) => any,
+ quarter: (...args: Array<any>) => any,
+ month: (...args: Array<any>) => any,
+ day: (...args: Array<any>) => any,
+ dayPeriod: (...args: Array<any>) => any,
+ },
+ formatLong?: {
+ date: (...args: Array<any>) => any,
+ time: (...args: Array<any>) => any,
+ dateTime: (...args: Array<any>) => any,
+ },
+ match?: {
+ ordinalNumber: (...args: Array<any>) => any,
+ era: (...args: Array<any>) => any,
+ quarter: (...args: Array<any>) => any,
+ month: (...args: Array<any>) => any,
+ day: (...args: Array<any>) => any,
+ dayPeriod: (...args: Array<any>) => any,
+ },
+ options?: {
+ weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
+ firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7,
+ },
+}
+
+export type Duration = {
+ years?: number,
+ months?: number,
+ weeks?: number,
+ days?: number,
+ hours?: number,
+ minutes?: number,
+ seconds?: number,
+}
+
+export type Day = 0 | 1 | 2 | 3 | 4 | 5 | 6
+
+declare module.exports: (
+ date: Date | number,
+ weekYear: number,
+ options?: {
+ locale?: Locale,
+ weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
+ firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7,
+ }
+) => Date
diff --git a/date-fns/src/setWeekYear/test.js b/date-fns/src/setWeekYear/test.js
new file mode 100644
index 0000000..a493412
--- /dev/null
+++ b/date-fns/src/setWeekYear/test.js
@@ -0,0 +1,109 @@
+// @flow
+/* eslint-env mocha */
+
+import assert from 'power-assert'
+import setWeekYear from '.'
+
+describe('setWeekYear', function() {
+ it('sets the local week-numbering year, saving the week and the day of the week', function() {
+ var result = setWeekYear(new Date(2010, 0 /* Jan */, 2), 2004)
+ assert.deepEqual(result, new Date(2004, 0 /* Jan */, 3))
+ })
+
+ it('accepts a timestamp', function() {
+ var result = setWeekYear(new Date(2008, 11 /* Dec */, 29).getTime(), 2007)
+ assert.deepEqual(result, new Date(2007, 0 /* Jan */, 1))
+ })
+
+ it('converts a fractional number to an integer', function() {
+ var result = setWeekYear(new Date(2010, 0 /* Jan */, 2), 2004.2004)
+ assert.deepEqual(result, new Date(2004, 0 /* Jan */, 3))
+ })
+
+ it('implicitly converts number arguments', function() {
+ // $ExpectedMistake
+ var result = setWeekYear(new Date(2008, 11 /* Dec */, 29), '2007')
+ assert.deepEqual(result, new Date(2007, 0 /* Jan */, 1))
+ })
+
+ it('does not mutate the original date', function() {
+ var date = new Date(2008, 11 /* Dec */, 29)
+ setWeekYear(date, 2000)
+ assert.deepEqual(date, new Date(2008, 11 /* Dec */, 29))
+ })
+
+ it('sets local week-numbering years less than 100', function() {
+ var initialDate = new Date(2008, 11 /* Dec */, 29)
+ var expectedResult = new Date(0)
+ expectedResult.setFullYear(7, 0 /* Jan */, 1)
+ expectedResult.setHours(0, 0, 0, 0)
+ var result = setWeekYear(initialDate, 7)
+ assert.deepEqual(result, expectedResult)
+ })
+
+ it('handles dates before 100 AD', function() {
+ var initialDate = new Date(0)
+ initialDate.setFullYear(8, 11 /* Dec */, 29)
+ initialDate.setHours(0, 0, 0, 0)
+ var expectedResult = new Date(0)
+ expectedResult.setFullYear(7, 0 /* Jan */, 1)
+ expectedResult.setHours(0, 0, 0, 0)
+ var result = setWeekYear(initialDate, 7)
+ assert.deepEqual(result, expectedResult)
+ })
+
+ it('returns `Invalid Date` if the given date is invalid', function() {
+ var result = setWeekYear(new Date(NaN), 2007)
+ assert(result instanceof Date && isNaN(result))
+ })
+
+ it('returns `Invalid Date` if the given amount is NaN', function() {
+ var result = setWeekYear(new Date(2008, 11 /* Dec */, 29), NaN)
+ assert(result instanceof Date && isNaN(result))
+ })
+
+ it('allows to specify `weekStartsOn` and `firstWeekContainsDate` in locale', function() {
+ var date = new Date(2010, 0 /* Jan */, 2)
+ var result = setWeekYear(date, 2004, {
+ // $ExpectedMistake
+ locale: {
+ options: { weekStartsOn: 1, firstWeekContainsDate: 4 }
+ }
+ })
+ assert.deepEqual(result, new Date(2005, 0 /* Jan */, 1))
+ })
+
+ it('`options.weekStartsOn` overwrites the first day of the week specified in locale', function() {
+ var date = new Date(2010, 0 /* Jan */, 2)
+ var result = setWeekYear(date, 2004, {
+ weekStartsOn: 1,
+ firstWeekContainsDate: 4,
+ // $ExpectedMistake
+ locale: {
+ options: { weekStartsOn: 0, firstWeekContainsDate: 1 }
+ }
+ })
+ assert.deepEqual(result, new Date(2005, 0 /* Jan */, 1))
+ })
+
+ it('throws `RangeError` if `options.weekStartsOn` is not convertable to 0, 1, ..., 6 or undefined', function() {
+ // $ExpectedMistake
+ var block = setWeekYear.bind(null, new Date(2004, 7 /* Aug */, 7), 2018, {
+ weekStartsOn: NaN
+ })
+ assert.throws(block, RangeError)
+ })
+
+ it('throws `RangeError` if `options.firstWeekContainsDate` is not convertable to 1, 2, ..., 7 or undefined', function() {
+ // $ExpectedMistake
+ var block = setWeekYear.bind(null, new Date(2004, 7 /* Aug */, 7), 2018, {
+ firstWeekContainsDate: NaN
+ })
+ assert.throws(block, RangeError)
+ })
+
+ it('throws TypeError exception if passed less than 2 arguments', function() {
+ assert.throws(setWeekYear.bind(null), TypeError)
+ assert.throws(setWeekYear.bind(null, 1), TypeError)
+ })
+})