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Diffstat (limited to 'node_modules/date-fns/esm/_lib/getUTCISOWeekYear/index.js')
| -rw-r--r-- | node_modules/date-fns/esm/_lib/getUTCISOWeekYear/index.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/node_modules/date-fns/esm/_lib/getUTCISOWeekYear/index.js b/node_modules/date-fns/esm/_lib/getUTCISOWeekYear/index.js new file mode 100644 index 0000000..f997463 --- /dev/null +++ b/node_modules/date-fns/esm/_lib/getUTCISOWeekYear/index.js @@ -0,0 +1,23 @@ +import toDate from "../../toDate/index.js"; +import requiredArgs from "../requiredArgs/index.js"; +import startOfUTCISOWeek from "../startOfUTCISOWeek/index.js"; +export default function getUTCISOWeekYear(dirtyDate) { + requiredArgs(1, arguments); + var date = toDate(dirtyDate); + var year = date.getUTCFullYear(); + var fourthOfJanuaryOfNextYear = new Date(0); + fourthOfJanuaryOfNextYear.setUTCFullYear(year + 1, 0, 4); + fourthOfJanuaryOfNextYear.setUTCHours(0, 0, 0, 0); + var startOfNextYear = startOfUTCISOWeek(fourthOfJanuaryOfNextYear); + var fourthOfJanuaryOfThisYear = new Date(0); + fourthOfJanuaryOfThisYear.setUTCFullYear(year, 0, 4); + fourthOfJanuaryOfThisYear.setUTCHours(0, 0, 0, 0); + var startOfThisYear = startOfUTCISOWeek(fourthOfJanuaryOfThisYear); + if (date.getTime() >= startOfNextYear.getTime()) { + return year + 1; + } else if (date.getTime() >= startOfThisYear.getTime()) { + return year; + } else { + return year - 1; + } +}
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