46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
|
"use strict";
|
||
|
|
|
||
|
|
Object.defineProperty(exports, "__esModule", {
|
||
|
|
value: true
|
||
|
|
});
|
||
|
|
exports.default = previousDay;
|
||
|
|
|
||
|
|
var _index = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
|
||
|
|
|
||
|
|
var _index2 = _interopRequireDefault(require("../getDay/index.js"));
|
||
|
|
|
||
|
|
var _index3 = _interopRequireDefault(require("../subDays/index.js"));
|
||
|
|
|
||
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @name previousDay
|
||
|
|
* @category Weekday Helpers
|
||
|
|
* @summary When is the previous day of the week?
|
||
|
|
*
|
||
|
|
* @description
|
||
|
|
* When is the previous day of the week? 0-6 the day of the week, 0 represents Sunday.
|
||
|
|
*
|
||
|
|
* @param {Date | number} date - the date to check
|
||
|
|
* @param {number} day - day of the week
|
||
|
|
* @returns {Date} - the date is the previous day of week
|
||
|
|
* @throws {TypeError} - 2 arguments required
|
||
|
|
*
|
||
|
|
* @example
|
||
|
|
* // When is the previous Monday before Mar, 20, 2020?
|
||
|
|
* const result = previousDay(new Date(2020, 2, 20), 1)
|
||
|
|
* //=> Mon Mar 16 2020 00:00:00
|
||
|
|
*
|
||
|
|
* @example
|
||
|
|
* // When is the previous Tuesday before Mar, 21, 2020?
|
||
|
|
* const result = previousDay(new Date(2020, 2, 21), 2)
|
||
|
|
* //=> Tue Mar 17 2020 00:00:00
|
||
|
|
*/
|
||
|
|
function previousDay(date, day) {
|
||
|
|
(0, _index.default)(2, arguments);
|
||
|
|
var delta = (0, _index2.default)(date) - day;
|
||
|
|
if (delta <= 0) delta += 7;
|
||
|
|
return (0, _index3.default)(date, delta);
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = exports.default;
|