Validateur, a Clojure(Script) Validation Library

Validateur is a Clojure(Script) validation library inspired by Ruby's ActiveModel. Validateur is functional: validators are functions, validation sets are higher-order functions, validation results are returned as values.

Supported Clojure versions

Validateur is tested on Clojure 1.10 or later, ClojureScript 1.11 or later.

Maven Artifacts

Validateur artifacts are released to Clojars. If you are using Maven, add the following repository definition to your pom.xml:

<repository>
  <id>clojars.org</id>
  <url>http://clojars.org/repo</url>
</repository>

The Latest Release

With Leiningen:

[com.novemberain/validateur "2.6.0"]

With Maven:

<dependency>
  <groupId>com.novemberain</groupId>
  <artifactId>validateur</artifactId>
  <version>2.6.0</version>
</dependency>

Documentation & Examples

Please refer to the Getting Started guide for Validateur.

Our test suite has usage examples for each validator, built-in validation functions have docstrings.

Development

Validateur uses Leiningen 2. Make sure you have it installed and then run tests against all supported Clojure versions and a recent release of ClojureScript using

lein all do clean, test

Then create a branch and make your changes on it. Once you are done with your changes and all tests pass, submit a pull request on Github.

License

Copyright (C) 2011-2025 Michael S. Klishin, Alex Petrov, the ClojureWerkz team, and contributors.

Distributed under the Eclipse Public License, the same as Clojure.