chore: Merge pull request #669 from suryapratapsinghsuryavanshi/master

added TitleCaseConversion method in conversion category

Conversions/TitleCaseConversion.js

@@ -0,0 +1,42 @@
+/*
+    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