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angular-jsvat

1.1.0 • Public • Published

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angular-jsvat

Demo and Examples

Check the validity of the format of an EU VAT number. No dependencies.(except angularjs of course).

What is it?

Angular-js wrapper for jsvat (jsvat it's a core-logic for vat validation)

angular-jsvat is a small library to check validity of European (and few non-eu) VAT number. (learn more about VAT) jsvat use 2-step check (see below) and didn't make any request for external resources.

Each country has own regexp for VAT number and different math-logic of number calculating.

For more details check jsvat repo.

What angular-jsvat do?

  1. Provide JsVatFactory fcatory (just an angularjs wrapper for jsvat)

Just check is VAT number valid or not and which country this VAT is:

JsVatFactory.checkVAT('BG131134023'); // {isValid: true, country: 'bulgaria', value: 'BG131134023'}
JsVatFactory.checkVAT('BG0433170001'); //{isValid: false, country: null, value: 'BG0433170001'}
JsVatFactory.checkVAT('atu5-150-7409');  //{isValid: true, country: 'austria', value: 'ATU51507409'}
JsVatFactory.checkVAT('aTU 5 804 4146');  //{isValid: true, country: 'austria', value: 'ATU58044146'}

You can specify list of allowed countries

JsVatFactory.config = ['austria', 'belgium']; //All countries except 'austria' and 'belgium' would return false
JsVatFactory.checkVAT('BG131134023'); //valid VAT, but result would be 'false'

To reset config just do JsVatFactory.config = [];

  1. Provide jsvat directive (for inputs). Directive take a ngModel and return the result to the result object
<input jsvat="result" type="text" ng-model="model">

Installation

  1. Bower

bower i angular-jsvat --save

  1. NPM (node.js)

npm i angular-jsvat --save

  1. Directly download one of the latest releases:

https://github.com/se-panfilov/angular-jsvat/releases

After that, just include angular-jsvat as a dependency

angular.module('app', ['angular-jsvat'])

(no dependencies required, angular-jsvat is standalone app)

How does jsvat check the validity?

It use jsvat core functionality:

There is 2-step check:

  1. Compare with list of Regexps;

For example regexp for austria is /^(AT)U(\d{8})$/.

Looks like ATU99999999 is valid (it's successfied the regexp), but actually it's should be invalid.

  1. Some magic mathematical counting;

Here we make some mathematical calculation (different for each country). After that we may be sure that ATU99999999and for example ATV66889218 isn't valid, but ATU12011204 is valid.

List of supported Countries:

  • Austria
  • Belgium
  • Bulgaria
  • Switzerland
  • Cyprus
  • Czech Republic
  • Germany
  • Denmark
  • Greece
  • Spain
  • Europe
  • Finland
  • France
  • United Kingdom
  • Croatia
  • Hungary
  • Ireland
  • Italy
  • Latvia
  • Lithunia
  • Luxembourg
  • Malta
  • Netherlands
  • Norway
  • Poland
  • Portugal
  • Romania
  • Russia Federation
  • Serbia
  • Slovenia
  • Slovakia republic
  • Sweden

Browsers Supports

Support all browsers down to IE9 (including IE9).

LICENSE

MIT: https://github.com/se-panfilov/jsvat/blob/master/LICENSE

install

npm i angular-jsvat

Downloadsweekly downloads

18

version

1.1.0

license

MIT

homepage

github.com

repository

Gitgithub

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