#string-class Extends the javascript String Class using prototype programming to support more string manipulations.

Methods added to extend String Class

• hasVowels - Tests to see if a string contains vowels. Returns (boolean) true if vowels exist or false otherwise.

• toUpper - Converts all characters to uppercase characters. (Return type = string).

• toLower - Converts all characters to lowercase characters. (Return type = string).

• ucFirst - Converts first character of a string to uppercase character. (Return type = string).

• isQuestion - Checks if a string is a question (ends with '?'). Returns (Boolean) true if it ends with '?' or false otherwise.

• words - Extracts the list of the words in a string, and return as an Array. (Return type = string).

• wordCount - Counts the number of words in a string. (Return type - number).

• toCurrency - Converts strings of numbers to currency representation. (Return type - string).

• fromCurrency - Converts currency representation to number representation. (Return type = number).

• inverseCase - Converts each letter to the inverse of its current case. (Return type - string).

• alternatingCase - Converts each characters to alternating character cases. (Return type - string).

• getMiddle - Determines the character(s) in the middle of a string. Returns (string) middle character(s).

• numberWords - Converts numeric literals to string literals (words). Returns numbers in words (string).

• isDigit - Determines if the string is a digit. Returns (boolean) true if digit, false otherwise.

• doubleCheck - Determines if a string contains double characters. Returns (boolean) true if it contains double characters, false otherwise.

Run the test

• Run npm test

Technologies Used

• Javascript (ES6)
• Nodejs
• Mocha

How to Contribute

• Fork or clone the repo to your folder.
• Change directory: cd string-class
• Run npm install
• Create a feature branch and work on it.
• Push to the remote branch.
• Open a Pull Request to develop branch.

Limitations

• The program does not run on webbrowsers.
• It is intended to be used by developers / technical persons.