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Norwegian national ID validator written in Clojure/Script

Validate Norwegian national identity numbers (birth number (fødselsnummer) and D-number.

Compiles to both Clojure and ClojureScript. No external dependencies.

Installation

Usage

Add [norwegian-national-id-validator.core :refer [norwegian-id-number?]] to your require section.

(norwegian-id-number? "29029900157")
=> false
    
(norwegian-id-number? "29029600013")
=> true

; synthetic ID numbers, as per https://docs.digdir.no/docs/idporten/idporten/idporten_testbrukere#testid, is also supported:
(norwegian-id-number? "13922947702")
=> true

Example usage with prismatic/schema

(ns user.nin-schema
  (:require [norwegian-national-id-validator.core :as nin-validator]
            [schema.spec.core :as spec]
            [schema.spec.leaf :as leaf]
            [clojure.test :as test]
            [schema.core :as s])
  (:import (schema.core Schema)))

(clojure.core/defrecord NinSchema []
  Schema
  (spec [this] (leaf/leaf-spec (spec/simple-precondition this nin-validator/norwegian-id-number?)))
  (explain [this] (list 'norwegian-id-number?)))
  
  
(ns user.my-other-ns
  (:require [user.nin-schema :as nin-schema])
  (:import (user.nin_schema NinSchema)))

; (test/is (= {:nin "10101097000"} (s/validate {:nin (NinSchema.)} {:nin "10101097000"})))
; (test/is (ex-data (s/validate {:nin (NinSchema.)} {:nin "12345678901"})))