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added TitleCaseConversion method in conversion category #669

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Merged
raklaptudirm merged 3 commits into from
Aug 28, 2021
Merged

added TitleCaseConversion method in conversion category #669

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4810119
add TitleCaseConversion method
suryapratapsinghsuryavanshi Aug 28, 2021
da675fb
add Problem statement and Explanation source in TitleCaseConversion
suryapratapsinghsuryavanshi Aug 28, 2021
705b123
re-formate TitleCaseConversion method with standard.js
suryapratapsinghsuryavanshi Aug 28, 2021
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42 changes: 42 additions & 0 deletions Conversions/TitleCaseConversion.js
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/*
Problem statement and Explanation : https://www.codeproject.com/Tips/162540/Letter-Case-Conversion-Algorithms-Title-Case-Toggl
*/

/**
* The TitleCaseConversion converts a string into a title case string.
* @param {String} inputString input string
* @returns {String}
*/
const TitleCaseConversion = (inputString) => {
// Extact all space seprated string.
const stringCollections = inputString.split(' ').map(word => {
let firstChar = ''
// Get a character code by the use charCodeAt method.
const firstCharCode = word[0].charCodeAt()
// If the character code lies between 97 to 122 it means they are in the lower case so convert it.
if (firstCharCode >= 97 && firstCharCode <= 122) {
// Convert the case by use of the above explanation.
firstChar += String.fromCharCode(firstCharCode - 32)
} else {
// Else store the characters without any modification.
firstChar += word[0]
}
const newWordChar = word.slice(1).split('').map(char => {
// Get a character code by the use charCodeAt method.
const presentCharCode = char.charCodeAt()
// If the character code lies between 65 to 90 it means they are in the upper case so convert it.
if (presentCharCode >= 65 && presentCharCode <= 90) {
// Convert the case by use of the above explanation.
return String.fromCharCode(presentCharCode + 32)
}
// Else return the characters without any modification.
return char
})
// return the first converted character and remaining character string.
return firstChar + newWordChar.join('')
})
// convert all words in a string and return it.
return stringCollections.join(' ')
}

module.exports = TitleCaseConversion