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Diffstat (limited to 'date-fns/src/endOfYesterday/index.ts')
-rw-r--r-- | date-fns/src/endOfYesterday/index.ts | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/date-fns/src/endOfYesterday/index.ts b/date-fns/src/endOfYesterday/index.ts new file mode 100644 index 0000000..6207cc5 --- /dev/null +++ b/date-fns/src/endOfYesterday/index.ts @@ -0,0 +1,34 @@ +/** + * @name endOfYesterday + * @category Day Helpers + * @summary Return the end of yesterday. + * @pure false + * + * @description + * Return the end of yesterday. + * + * > ⚠️ Please note that this function is not present in the FP submodule as + * > it uses `new Date()` internally hence impure and can't be safely curried. + * + * ### 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). + * + * @returns {Date} the end of yesterday + * + * @example + * // If today is 6 October 2014: + * const result = endOfYesterday() + * //=> Sun Oct 5 2014 23:59:59.999 + */ +export default function endOfYesterday(): Date { + const now = new Date() + const year = now.getFullYear() + const month = now.getMonth() + const day = now.getDate() + + const date = new Date(0) + date.setFullYear(year, month, day - 1) + date.setHours(23, 59, 59, 999) + return date +} |