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Diffstat (limited to 'date-fns/src/differenceInSeconds/index.ts')
-rw-r--r-- | date-fns/src/differenceInSeconds/index.ts | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/date-fns/src/differenceInSeconds/index.ts b/date-fns/src/differenceInSeconds/index.ts new file mode 100644 index 0000000..d76b0e3 --- /dev/null +++ b/date-fns/src/differenceInSeconds/index.ts @@ -0,0 +1,38 @@ +import differenceInMilliseconds from '../differenceInMilliseconds/index' +import requiredArgs from '../_lib/requiredArgs/index' + +/** + * @name differenceInSeconds + * @category Second Helpers + * @summary Get the number of seconds between the given dates. + * + * @description + * Get the number of seconds between the given dates. + * + * ### 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} dateLeft - the later date + * @param {Date|Number} dateRight - the earlier date + * @returns {Number} the number of seconds + * @throws {TypeError} 2 arguments required + * + * @example + * // How many seconds are between + * // 2 July 2014 12:30:07.999 and 2 July 2014 12:30:20.000? + * const result = differenceInSeconds( + * new Date(2014, 6, 2, 12, 30, 20, 0), + * new Date(2014, 6, 2, 12, 30, 7, 999) + * ) + * //=> 12 + */ +export default function differenceInSeconds( + dirtyDateLeft: Date | number, + dirtyDateRight: Date | number +): number { + requiredArgs(2, arguments) + + const diff = differenceInMilliseconds(dirtyDateLeft, dirtyDateRight) / 1000 + return diff > 0 ? Math.floor(diff) : Math.ceil(diff) +} |