计算字节数

function calculater(object) {
    const type = typeof object;
    switch (type) {
        case 'number': {
            return 8;
        }
        case 'string': {
            return object.length * 2;
        }
        case 'boolean': {
            return 4;
        }
        case 'object': {
            if (Array.isArray(object)) {
                object.map(calculater).reduce(c, b => c + b, 0);
            } else {
                return sizeofobject(object);
            }
        }
    }
}
let seen = new WeakSet();
function sizeofobject(object) {
    if (object === null) {
        return 0;
    }
    let bytes = 0;
    const properties = Object.keys(object);
    for (let i = 0; i < properties.length; i++) {
        const key = properties[i];
        if (typeof object[key] === 'object' && object[key] !== null) {
            if (seen.has(object[key])) continue;
            seen.add(object[key])
        }
        bytes += calculater(key);
        bytes += calculater(object[key]);
    }
    return bytes
}

const obj = {
    name:'liqiu',
    age:25
}
console.log(calculater(obj))