Sri Lanka NIC Utilities - An adaptable npm package designed to validate NIC numbers, determine the NIC format, convert between OLD and NEW formats, and extract detailed information from Sri Lanka National Identity Card (NIC) numbers.

• NIC Validation: Quickly validate Sri Lanka NIC numbers to ensure they adhere to the correct format.
• NIC Type Detection: Determine whether a given NIC is of the OLD or NEW type, helping you identify the issuing format.
• NIC Birthday Detection: Extract the birthday of given NIC owner, as year, month, date and as a Date object.
• FORMAT NIC: Easily format NIC numbers to the OLD and NEW formats, making it convenient to work with different versions.

npm install sl-nic-utils

const NIC = require('sl-nic-utils').default;

// or

import NIC from 'sl-nic-utils';

const nic = new NIC('200125606787');

// NIC Validation
console.log(nic.isValid); // true

// NIC Type Detection
console.log(nic.type); // NEW

// NIC Birthday Detection
const birthday = nic.birthday;

console.log(birthday.year); // 2001
console.log(birthday.month); // 8
console.log(birthday.date); // 12

console.log(birthday.toString()); // 2001/8/12

console.log(birthday.toDate()); // js Date object for 2001-08-12

// Format NIC
console.log(nic.format('OLD')); // 942566787V

We welcome contributions and feedback. Feel free to submit issues or pull requests on the GitHub repository.

This package is licensed under the MIT License.