Function withMandatory

client/js-client/src/rlClient.js:201–207

(name, value, callback)

    }

    function withMandatory(name, value, callback) {
        if (!value) {
            return { fired: false, message: "No " + name + " specified." };
        }
        callback();
        return { fired: true };
    }

    function addAction(type, callback, user_id, item_id, rlabs, source, rectag, pos, click_only, extra_data) {
        return withMandatory("user_id", user_id, function () {