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Bauke 2023-06-01 09:25:10 +02:00
parent 8b851bfd3c
commit a89c43efd2
Signed by: Bauke
GPG Key ID: C1C0F29952BCF558
1 changed files with 12 additions and 5 deletions
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17
source/date/date.ts
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@ -1,12 +1,18 @@
/**
* A small wrapper around {@link Date} for convenience and additional
* functionality.
*/
export class DateWrapper {
/** The inner {@link Date}. */
public date: Date;
/** Create a new {@link DateWrapper} from a {@link Date} or string. */
constructor(date: Date | string) {
this.date = date instanceof Date ? date : new Date(date);
}
/**
* Adds the specified number of days to the inner date.
* Add the specified number of days to the inner date.
*
* @param days The amount of days to add, can also be negative to subtract.
*/
@ -60,9 +66,10 @@ export class DateWrapper {
// Get the difference between the first week and the current date in days.
const dayDifference = (date.getTime() - firstWeek.getTime()) / 86_400_000;
// Adjust the day difference to Thursday and then get the number of weeks.
return (
1 + Math.round((dayDifference - 3 + ((firstWeek.getDay() + 6) % 7)) / 7)
);
// Adjust the day difference to Thursday.
const adjustedDays = dayDifference - 3 + ((firstWeek.getDay() + 6) % 7);
// Calculate the number of weeks from the amount of days in the difference.
return 1 + Math.round(adjustedDays / 7);
}
}