Andela Javascript Checkpoint 2: string-class

Description

Extend the native JavaScript string class to extend its string manipulation features.

Functionality

hasVowels

This method evaluates to true if the input string has vowels and false if it does not.

'No vowels'.hasVowels() would yield true

toUpper

This Method returns the input string in upper case.

'lowercase'.toUpper() would yield LOWERCASE

toLower

This Method returns an input string in lower case.

'UPPERCASE'.toLower() would yield uppercase

ucFirst

This Method returns the input string with the first letter in upper case.

'titlecase'.ucFirst() would yield Titlecase

isQuestion

This Method returns true or false depending on whether the input string is a question.

'This is not a question.'.isQuestion() would yield false

words

This Method returns an array with the words in the input string.

'A rose by any other name.'.words() would yield ['A','rose','by','any','other','name']

wordCount

This Method returns a count of the number of words in a string.

'A rose by any other name.'.wordCount() would yield 6

cleanWords

This Method returns an array with the words in the input string filtering out any symbols.

'A?rose;by!any|other_name.'.cleanWords() would yield ['A','rose','by','any','other','name']

toCurrency

This Method returns a currency representation of the input string.

'12345.11'.toCurrency() would yield `12,345.11`

fromCurrency

This Method returns a number representation of the input currency string.

'12,345.11'.fromCurrency() would yield 12345.11

isEven

This Method evaluates to true if the input string is an even digit and false if it is not.

'1234'.isEven() would yield true

toTitle

This Method returns the input string in title case

'The rain falls mainly in the plains'.toTitle() would yield The Rain Falls Mainly In The Plains

toCamel

This Method returns the input string in camel case.

'for variables'.toCamel() would yield forVariables

toToggle

This Method returns the input string in toggle case.

'Gear Shift'.toToggle() would yield gEaR sHiFt

Usage

• Clone this repository with the command: git clone https://github.com/andela-emabishi/string-class.git
• Install [node.js v6.2.2] (https://nodejs.org/en/) on your machine.
• Start up a terminal instance and run the command npm install at the root project folder. This will install all the project dependencies.
• Start up a terminal instance and run the command node.
• Type require ('./src/string-class.js') into the terminal to have access to the source file.
• Use the methods as above in the Functionality section.
• Type .exit to exit the node environment.

Run Tests

• Change directory into the root of the repository i.e string-class and run the command npm install. This will install all the dependencies needed for the project to run. Run the command npm test. This will run the tests and generate an istanbul test coverage report which can also be accessed through the path coverage/lcov-report/index.html.

License

This project was created under a GNU Public License. See [here] (https://github.com/andela-emabishi/string-class/blob/dev/LICENSE) for more information.

Let's chat

You can find the author [@emabishi] (https://github.com/emabishi) or [@andela-emabishi] (https://github.com/andela-emabishi) on github and @emabishi on twitter.