ecommerce-basics NPM Library

Ecommerce Basics npm Library

Ecommerce Basics is a lightweight and easy-to-use npm library designed to simplify common e-commerce operations such as cart management, product calculations, and currency formatting. With a focus on simplicity and efficiency, this library provides essential functions to enhance the e-commerce experience in your applications.

Demo:

There is a demo index.html to show how one can use this npm library:

Installation

To start using ecommerce-basics in your JavaScript projects, you can install it via npm:

npm install ecommerce-basics

Usage

Once you have installed ecommerce-basics, you can import the desired functions into your JavaScript code:

const ecommerce = require('ecommerce-basics');

Features

ecommerce-basics offers a wide range of features:

formatCurrency(amount)

• Format a numerical value into a currency format.

const amount = 252.333334506
const formattedAmount = ecommerce.formatCurrency(amount);
console.log('Formatted Currency:', formattedAmount); // Output: $252.33

calculateTotal(cart)

• Calculate the total price of products in the cart.

const cart = [{ id: 1, title: 'Product 1', price: 10, quantity: 2 }];
const total = ecommerce.calculateTotal(cart);
console.log('Total Price:', ecommerce.formatCurrency(total)); // Output: $20.00

addToCart(cart, product)

• Add a product to the cart. If the product already exists, it updates the quantity.

const cart = [];
const productOne = { id: 1, title: 'Product 1', price: 10, quantity: 2 }
ecommerce.addToCart(cart, productOne);
console.log(cart); // Output: [{ id: 1, title: 'Product 1', price: 10, quantity: 2 }];
const productTwo = { id: 2, title: 'Product 2', price: 100, quantity: 1 }
ecommerce.addToCart(cart, productTwo);
console.log(cart); 
/* Output:
    [
        { id: 1, title: 'Product 1', price: 10, quantity: 2 },
        { id: 2, title: 'Product 2', price: 100, quantity: 1 }
    ];
/*

removeFromCart(cart, product)

• Remove a single quantity of a product from the cart. If quantity becomes zero, the product is removed from the cart.

const productOne = { id: 1, title: 'Product 1', price: 10, quantity: 2 }
const productTwo = { id: 2, title: 'Product 2', price: 100, quantity: 1 }
const cart = [productOne, productTwo];
ecommerce.removeFromCart(cart, productOne);
console.log(cart[0]); // Output: [{ id: 1, title: 'Product 1', price: 10, quantity: 1 }];
console.log(cart[1]); // Output: [{ id: 2, title: 'Product 2', price: 100, quantity: 1 }];
ecommerce.removeFromCart(cart, productOne);
console.log(cart[0]); // Output: [{ id: 2, title: 'Product 2', price: 100, quantity: 1 }];
ecommerce.removeFromCart(cart, productTwo);
console.log(cart); // Output: []

removeProductFromCart(cart, product)

• Remove a product completely from the cart.

const productOne = { id: 1, title: 'Product 1', price: 10, quantity: 4 }
const productTwo = { id: 2, title: 'Product 2', price: 100, quantity: 1 }
const cart = [productOne, productTwo];
ecommerce.removeProductFromCart(cart, productOne);
console.log(cart); // Output: [{ id: 2, title: 'Product 2', price: 100, quantity: 1 }];
console.log(cart.length); // Output: 1
ecommerce.removeProductFromCart(cart, productTwo);
console.log(cart.length); // Output: 0

calculateTotalItemCount(cart)

• Calculate the total number of items in the cart.

const productOne = { id: 1, title: 'Product 1', price: 10, quantity: 4 }
const productTwo = { id: 2, title: 'Product 2', price: 100, quantity: 1 }
const cart = [productOne, productTwo];
const itemCount = ecommerce.calculateTotalItemCount(cart)
console.log(itemCount); // Output: 5

clearCart(cart)

• Clear all items from the cart.

const productOne = { id: 1, title: 'Product 1', price: 10, quantity: 4 }
const productTwo = { id: 2, title: 'Product 2', price: 100, quantity: 1 }
const cart = [productOne, productTwo];
const updatedCart = ecommerce.clearCart(cart)
console.log(updatedCart); // Output: []

fetchProducts(apiUrl)

• Fetch products from an API endpoint. Returns an array of products or null if there's an error.

const apiUrl = 'https://example-api.com/products';
ecommerce.fetchProducts(apiUrl)
    .then(products => {
        console.log('Fetched Products:', products);
    })
    .catch(error => {
        console.error('Error:', error);
    });

Contributing

I welcome contributions from the community to improve and expand the functionality of ecommerce-basics. If you have any suggestions, bug reports, or feature requests, please don't hesitate to open an issue or submit a pull request on the GitHub repository.

• The package is intended to be used for educational purposes only.