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Diffstat (limited to 'node_modules/date-fns/esm/setISOWeek/index.js')
| -rw-r--r-- | node_modules/date-fns/esm/setISOWeek/index.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/node_modules/date-fns/esm/setISOWeek/index.js b/node_modules/date-fns/esm/setISOWeek/index.js new file mode 100644 index 0000000..fdf7b41 --- /dev/null +++ b/node_modules/date-fns/esm/setISOWeek/index.js @@ -0,0 +1,32 @@ +import toInteger from "../_lib/toInteger/index.js"; +import toDate from "../toDate/index.js"; +import getISOWeek from "../getISOWeek/index.js"; +import requiredArgs from "../_lib/requiredArgs/index.js"; +/** + * @name setISOWeek + * @category ISO Week Helpers + * @summary Set the ISO week to the given date. + * + * @description + * Set the ISO week to the given date, saving the weekday number. + * + * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date + * + * @param {Date|Number} date - the date to be changed + * @param {Number} isoWeek - the ISO week of the new date + * @returns {Date} the new date with the ISO week set + * @throws {TypeError} 2 arguments required + * + * @example + * // Set the 53rd ISO week to 7 August 2004: + * const result = setISOWeek(new Date(2004, 7, 7), 53) + * //=> Sat Jan 01 2005 00:00:00 + */ +export default function setISOWeek(dirtyDate, dirtyISOWeek) { + requiredArgs(2, arguments); + var date = toDate(dirtyDate); + var isoWeek = toInteger(dirtyISOWeek); + var diff = getISOWeek(date) - isoWeek; + date.setDate(date.getDate() - diff * 7); + return date; +}
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