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SHACL.js Build Status


This project is not really actively maintained anymore. For a more modern JavaScript implementation, see


Create a new SHACL validator and load shapes and data to trigger the validation. The validation function returns a ValidationReport object that can be used to inspect conformance rand results.

var validator = new SHACLValidator();
validator.validate(data, "text/turtle", shapes, "text/turtle", function (e, report) {
    console.log("Conforms? " + report.conforms());
    if (report.conforms() === false) {
        report.results().forEach(function(result) {
            console.log(" - Severity: " + result.severity() + " for " + result.sourceConstraintComponent());

Building for the web

A browser version of the library will be built in the dist directory using the gulp browserify task.

Running the tests

Tests can be run using the test gulp task.

Running the web tests

Tests can be run for the browser version running the test-web gulp task. This task will generate the test cases from the node version and start a server in port 3000. The browser version of the library must have been built before running this task.

Regenerating vocabularies and libraries

The vocabularies for SHACL and DASH are located in the vocabularies directory. After modifying these files, they must be transformed into library code using the generate-vocabularies gulp task. The JS libraries referenced in the DASH vocabulary can be found in the shared directory. They can be bundled into the library build using the generate-libraries gulp command. If they are not bundled, the library will try to de-reference them using HTTP.


SHACL API in JavaScript




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