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remove DateToDay method
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@ -1,61 +0,0 @@
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/*
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DateToDay Method
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----------------
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The DateToDay method takes a date in string format and returns
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the name of a day. The approach behind this method is very
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simple, we first take a string date and check whether their date
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is valid or not, if the date is valid then we pass this date
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to the predefined date method and get the date of the day We do
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it and find the name of the day, after that give the name of
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the day to the user, if the date is wrong, then tell the user
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that the given date is not valid.
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*/
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const monthsNameList = { // create a monthsNameList for easy to use.
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1: 'January',
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2: 'February',
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3: 'March',
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4: 'April',
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5: 'May',
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6: 'June',
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7: 'July',
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8: 'August',
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9: 'September',
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10: 'October',
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11: 'November',
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12: 'December'
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}
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// show the week day in a number : Sunday - Saturday => 0 - 6
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const daysNameList = { // weeks-day
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0: 'Sunday',
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1: 'Monday',
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2: 'Tuesday',
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3: 'Wednesday',
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4: 'Thursday',
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5: 'Friday',
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6: 'Saturday'
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}
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const DateToDay = (date) => {
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// firstly, check that input is a string or not.
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if (typeof date !== 'string') {
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return new TypeError('Argument is not a string.')
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}
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// extarct the date
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const [day, month, year] = date.split('/').map((x) => Number(x))
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// check the data are valid or not.
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if (day > 31 || month > 12) {
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return new TypeError('Date is not valid.')
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}
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// create a base date for finding the actuale date.
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const baseDate = `${monthsNameList[month]} ${day}, ${year} 23:15:30`
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// use the Date class and make an object use of the base date.
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const finalDate = new Date(baseDate)
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// call a getDay() method of Date() class.
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const finalDay = finalDate.getDay()
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// return the output.
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return daysNameList[finalDay]
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}
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module.exports = DateToDay
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