dni-js
v0.2.1
Published
Compute and validate a Spanish DNI/NIE number
Downloads
552
Readme
dni-js
Compute and validate a Spanish DNI/NIE numbers as described here.
Install
$ npm install dni-js
Usage
Validation is based on this document.
const dni = require('dni-js');
dni.isValid('12345678-Z'); // => true
API
.dni (number|string)
Returns a DNI number with the control digit appended in the format 12345678-Z
. If the input is invalid,
returns null
.
.nie (number|string)
Returns a NIE number with the control digit appended in the format X1234567-L
. If the input is invalid,
returns null
.
.getControlDigit (number|string)
Returns the control digit for the input.
.getLetter (number|string)
Alias for getControlDigit
.
.isValid (string)
Returns true
or false
by validating the input.
.normalize (string)
Given a string input, it returns a normalized valid DNI. When input is either not a string, or invalid, it returns null. For example:
dni.normalize(' 12 34 56 7 8-z'); // 12345678-Z
License
MIT