plain-object-clone/dist/index.js

Extremely fast function optimized for deep cloning json-serializable plain objects.

/* MAIN */
const cloneBase = (object, base) => {
    for (const key in object) {
        if (!object.hasOwnProperty(key))
            continue;
        const value = object[key];
        if (typeof value === 'object' && value !== null) {
            base[key] = cloneBase(value, value.constructor());
        }
        else {
            base[key] = value;
        }
    }
    return base;
};
const clone = (object) => {
    return cloneBase(object, object.constructor());
};
/* EXPORT */
export default clone;