delete DateToDayCount method

Conversions/DateToDayCount.js

@@ -1,51 +0,0 @@
-/*
-DateToDayCount Method
----------------------
-The DateToDayCount method takes a string date and tells
-how many days have passed from that date to the current date.
-
-Problem source and Explanation :
-    1) http://wiki.hotdocs.com/index.php?title=Determine_Number_of_Days_Between_Two_Dates
-    2) https://wiki.scn.sap.com/wiki/display/Snippets/calculate+no+of+working+days+between+two+dates
-*/
-
-const monthsNameList = { // create a monthsNameList for easy to use.
-  1: 'January',
-  2: 'February',
-  3: 'March',
-  4: 'April',
-  5: 'May',
-  6: 'June',
-  7: 'July',
-  8: 'August',
-  9: 'September',
-  10: 'October',
-  11: 'November',
-  12: 'December'
-}
-
-const DateToDayCount = (date) => {
-  // firstly, check that input is a string or not.
-  if (typeof date !== 'string') {
-    return new TypeError('Argument is not a string.')
-  }
-  // extarct the date
-  const [day, month, year] = date.split('/').map((x) => Number(x))
-  // check the data are valid or not.
-  if (day > 31 || month > 12) {
-    return new TypeError('Date is not valid.')
-  }
-  // create a base date for finding the actuale date.
-  const baseDate = `${monthsNameList[month]} ${day}, ${year} 24:00:00`
-  // use the Date class and make an object use of the base date.
-  const inputDate = new Date(baseDate)
-  // get the current date.
-  const currentDate = new Date()
-  // make some celculation for retrive the result.
-  const diffTime = Math.abs(currentDate - inputDate)
-  // convert time to day count.
-  const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24))
-  return diffDays
-}
-
-module.exports = DateToDayCount