Current File : //var/www/html/node_modules/date-fns/esm/isFirstDayOfMonth/index.js
import toDate from "../toDate/index.js";
import requiredArgs from "../_lib/requiredArgs/index.js";
/**
* @name isFirstDayOfMonth
* @category Month Helpers
* @summary Is the given date the first day of a month?
*
* @description
* Is the given date the first day of a month?
*
* ### 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} date - the date to check
* @returns {Boolean} the date is the first day of a month
* @throws {TypeError} 1 argument required
*
* @example
* // Is 1 September 2014 the first day of a month?
* var result = isFirstDayOfMonth(new Date(2014, 8, 1))
* //=> true
*/
export default function isFirstDayOfMonth(dirtyDate) {
requiredArgs(1, arguments);
return toDate(dirtyDate).getDate() === 1;
}
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