README.md

ein-validator

Validate and mask a U.S. Employer Identification Number (EIN).

Status

Installation

Install the package via npm:

npm install ein-validator --save

Usage

isValid(value)

This method validates if the given value is a valid Employer Identification Number.

Arguments

1. value (*): The value to validate.

Returns

(boolean): Returns whether the input value is a valid EIN or not.

Example

isValid({});
// => false

isValid('0112345-67');
// => false

isValid('01-1234567');
// => true

isValid('011234567');
// => true

---

mask(value)

This method will help you protect this sensitive piece of information by obfuscating some digits.

Arguments

1. value (*): The value to mask.

Returns

(string): Returns the masked value by replacing value certain digits by 'X'.

Example

mask({});
// Throws an Error.

mask('0112345-67');
// Throws an Error.

mask('01-1234567');
// => XX-XXX0000

mask('011234567');
// => XXXXX4567

---

Tests

To test using a local installation of node.js:

npm test

To test using Docker exclusively:

docker-compose run --rm sut

Release

npm version [<newversion> | major | minor | patch] -m "Release %s"

License

MIT