ArSn / jay-gee-eff-for-web

/**

 * Various guards.

 */

class Guard {

    static assertNonEmptyStringParameter(name, value) {

        if (!check.nonEmptyString(value)) {

            throw new Error('Parameter "' + name + '" has to be an non-empty string.');

        }

    }

    static assertValidMetadata(metadata) {

        if (!check.nonEmptyObject(metadata)) {

            throw new Error('Metadata on an node has to be an object.');

        }

    }

    static assertValidDirected(directed) {

        if (!check.boolean(directed)) {

            throw new Error('Directed flag on an edge has to be boolean.');

        }

    }

}

module.exports = {

    Guard,