1function stringify(data) {
2    if (typeof data === "string") {
3        return `"${data}"`;
4    }
5    if (typeof data === "function") {
6        return undefined;
7    }
8    if (data === Infinity || data === -Infinity || data === null
9        || data === undefined || typeof data === "symbol") {
10        return "null";
11    }
12    if (typeof data === "number" || typeof data === "boolean") {
13        return `${data}`;
14    }
15
16    if (data instanceof Date) {
17        return `"${data.toISOString()}"`;
18    }
19    if (Array.isArray(data)) {
20        const arr = data.map((el) => stringify(el));
21        return `[${arr.join(",")}]`;
22    }
23    if (typeof data === "object") {
24        const arr = Object.entries(data).reduce((acc, [key, value]) => {
25            if (value === undefined) {
26                return acc;
27            }
28            acc.push(`"${key}":${stringify(value)}`);
29            return acc;
30        }, []);
31        return `{${arr.join(",")}}`;
32    }
33}