date-manip
Version:
A lightweight JavaScript date utility library that provides modularity, high performance, and additional features. It supports various date operations, including date addition and subtraction, formatting, comparison, etc.
35 lines (34 loc) • 1.03 kB
JavaScript
;
const constants = require("./constants-DR3SPJ7u.js");
const normalizeUnit = require("./normalizeUnit-Cn0hUyBC.js");
const startOfTime = require("./startOfTime-CiMtfVAs.js");
const units = require("./units.js");
const { DATE, DAY, HOUR, MINUTE, MONTH, SECOND, YEAR } = units;
function startOf(date, unit) {
unit = normalizeUnit.normalizeUnit(unit);
let time = 0;
switch (unit) {
case YEAR:
time = startOfTime.startOfDate(date, void 0, 0, 1);
break;
case MONTH:
time = startOfTime.startOfDate(date, void 0, void 0, 1);
break;
case DATE:
case DAY:
time = startOfTime.startOfDate(date);
break;
case HOUR:
time = startOfTime.startOfTime(date, constants.MS_IN_HOUR);
break;
case MINUTE:
time = startOfTime.startOfTime(date, constants.MS_IN_MINUTE);
break;
case SECOND:
time = startOfTime.startOfTime(date, constants.MS_IN_SECOND);
break;
}
time && date.setTime(time);
return date;
}
module.exports = startOf;