2020-10-12 17:04:55 +01:00
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/**
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function that takes month number and its year and returns the number of days within it
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* @param monthNumber.
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* @param year.
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e.g.: mahfoudh.arous@gmail.com -> true
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e.g.: mahfoudh.arous.com ->false
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*/
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2024-03-07 05:53:43 +01:00
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import { isLeapYear } from '../Maths/LeapYear'
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2020-10-12 17:04:55 +01:00
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const getMonthDays = (monthNumber, year) => {
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const the31DaysMonths = [1, 3, 5, 7, 8, 10, 12]
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const the30DaysMonths = [4, 6, 9, 11]
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2023-10-03 23:08:19 +02:00
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if (
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!the31DaysMonths.includes(monthNumber) &&
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!the30DaysMonths.includes(monthNumber) &&
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monthNumber !== 2
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2020-10-12 17:04:55 +01:00
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) {
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throw new TypeError('Invalid Month Number.')
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}
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2023-10-03 23:08:19 +02:00
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if (the31DaysMonths.includes(monthNumber)) {
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return 31
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}
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2020-10-12 17:04:55 +01:00
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2023-10-03 23:08:19 +02:00
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if (the30DaysMonths.includes(monthNumber)) {
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return 30
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}
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2020-10-12 17:04:55 +01:00
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2024-03-07 05:53:43 +01:00
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if (isLeapYear(year)) {
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return 29
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2020-10-12 17:04:55 +01:00
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}
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return 28
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}
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export { getMonthDays }
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