Serialize deep objects to URL Search Parameters query string

queryStringSerialize.js

export const queryStringSerialize = (obj, prefix) => {
  var str = [],
    p;
  for (p in obj) {
    if (obj.hasOwnProperty(p)) {
      var key = isNaN(parseInt(p, 10)) ? p : "";
      var k = prefix ? prefix + "[" + key + "]" : p;
      var v = obj[p];
      str.push(
        v !== null && typeof v === "object"
          ? queryStringSerialize(v, k)
          : encodeURIComponent(k) + "=" + encodeURIComponent(v)
      );
    }
  }
  return str.join("&");
};