src/utils/validate/validateHandler.js

import validate from 'validate.js';

export const handlerConstraints = (/*handler}*/) => ({
    sideEffect: {
        presence: false,
    },
    reducer: {
        presence: true,
    },
    name: {
        presence: true,
    },
});
export default function validateHandler(handler, logger=window.console) {
    return validate(handler, handlerConstraints(handler));
};