cartezian.js

const result = [];

const traverse = (obj, path = '', parentRow = {}) => {
    let row = { ...parentRow };

    Object.entries(obj).forEach(([key, val]) => {
        const currentPath = path ? `${path}.${key}` : key;

        if (Array.isArray(val) && val.length > 0) {
            val.forEach(el => {
                traverse(el, currentPath, row);
            });
        } else if (typeof val === 'object' && !(val instanceof Array)) {
            traverse(val, currentPath, row);

        } else {
            row = { ...row, [currentPath]: val }
        }
    });

    result.push(row);

    result.forEach(r => {
        const newRow = ({ ...r, ...row });

        if (!result.find(l => JSON.stringify(l) === JSON.stringify(newRow))) {
            result.push(newRow);
        }
    });
};

traverse({
    "top": { "root": "vlads" },
    "car": "mt car",
    "madCow": [
        {
            "bottom": "fdsafa",
            "bad": 'bad rules once'
        },
        {
            "bottom": "fdsfdsf",
            "bad": 'bad rules twice'
        },
        {
            "bottom": "fdsfasfsa",
            "bad": 'bad rules twice'
        },
        {
            "bottom": "fsfdsfdsfs",
            "bad": 'bad rules twice'
        }
    ],
    "interior": [
        {
            "bottom": "CCCCccccccccc",
            "bad": 'bad rules once'
        },
        {
            "bottom": "DDDDDDD",
            "bad": 'bad rules twice'
        },
        {
            "bottom": "DDDDddddddDDD",
            "bad": 'bad rules twice'
        },
        {
            "bottom": "fdsfsfs",
            "bad": 'bad rules twice'
        }
    ],
    "exterior": [
        {
            "bottom": "CCCCdere",
            "bad": 'bad rules once'
        },
        {
            "bottom": "DDDDrerereDDD",
            "bad": 'bad rules fddfdfd'
        },
        {
            "bottom": "DDDDDDD",
            "bad": 'bad rules mmmm'
        }
    ]
});

console.warn(result.filter(r => Object.keys(r).length > 6));