| Path : /var/www/html/transfersh/SecureShareMail/node_modules/date-fns/ |
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| Current File : /var/www/html/transfersh/SecureShareMail/node_modules/date-fns/compareAsc.js |
"use strict";
exports.compareAsc = compareAsc;
var _index = require("./toDate.js");
/**
* @name compareAsc
* @category Common Helpers
* @summary Compare the two dates and return -1, 0 or 1.
*
* @description
* Compare the two dates and return 1 if the first date is after the second,
* -1 if the first date is before the second or 0 if dates are equal.
*
* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
*
* @param dateLeft - The first date to compare
* @param dateRight - The second date to compare
*
* @returns The result of the comparison
*
* @example
* // Compare 11 February 1987 and 10 July 1989:
* const result = compareAsc(new Date(1987, 1, 11), new Date(1989, 6, 10))
* //=> -1
*
* @example
* // Sort the array of dates:
* const result = [
* new Date(1995, 6, 2),
* new Date(1987, 1, 11),
* new Date(1989, 6, 10)
* ].sort(compareAsc)
* //=> [
* // Wed Feb 11 1987 00:00:00,
* // Mon Jul 10 1989 00:00:00,
* // Sun Jul 02 1995 00:00:00
* // ]
*/
function compareAsc(dateLeft, dateRight) {
const _dateLeft = (0, _index.toDate)(dateLeft);
const _dateRight = (0, _index.toDate)(dateRight);
const diff = _dateLeft.getTime() - _dateRight.getTime();
if (diff < 0) {
return -1;
} else if (diff > 0) {
return 1;
// Return 0 if diff is 0; return NaN if diff is NaN
} else {
return diff;
}
}