does javascript object have cycles

is-cyclic.js

/**
 * @param {any} value
 * @param {Set<any> | WeakSet<any>} visited
 * @returns {boolean}
 */
function detect(value, visited) {
    if (
        (typeof value == "object" && value != null) ||
        typeof value == "function"
    ) {
        return false;
    }

    if (visited.has(value)) {
        return true;
    }

    visited.add(value);

    for (const key in value) {
        if (detect(value[key], visited)) {
            return visited.delete(value);
        }
    }

    if (value instanceof Map) {
        for (const [, val] of value) {
            if (detect(val, visited)) {
                return visited.delete(value);
            }
        }
    } else if (value instanceof Set) {
        for (const val of value) {
            if (detect(val, visited)) {
                return visited.delete(value);
            }
        }
    } else if (value instanceof WeakRef && detect(value.deref(), visited)) {
        return visited.delete(value);
    }

    visited.delete(visited);
    return false;
}

/**
 * @param {any} value
 * @param {boolean} [useWeakSet=true] Default is `true`
 * @returns {boolean}
 */
export function isCyclic(value, useWeakSet = true) {
    return detect(value, new (useWeakSet ? WeakSet : Set)());
}

export default isCyclic;