is-january/index.js

returns a 'true' boolean if date is january

/*!
 * is-january <https://github.com/TJC-js/is-january>
 *
 * Copyright (c) 2021-current, Tim Cane.
 * Released under the MIT License.
 */


'use strict';

var isDate = require("is-a-date");
var month = require("month-enum")

module.exports = function isJanuary(value) {
    if(!isDate(value)){
        throw new Error('expected a date');
    }

    return value.getMonth() == month.January;
};