stack.js

A simple stack data structure for Node.js.

Installation

npm install stackjs

Example

var Stack = require('stackjs');
 
var stack = new Stack();
 
stack.push(10);
stack.push(5);
stack.size(); // 2
stack.peek(); // 5
stack.pop(); // 5
stack.size(); // 1

API

Stack()

Initializes a new empty Stack.

Stack#isEmpty()

Returns whether the stack is empty or not.

Stack#peek()

Peeks at the top element of the stack. Throws an Error when the stack is empty.

Stack#pop()

Pops the top element of the stack. Throws an Error when the stack is empty.

Stack#push(element)

Pushes the element at the top of the stack and returns its new size.

Stack#size()

Returns the size of the stack.

Testing

npm install
npm test

Licence

MIT