object to url parameter for get query

obj_to_param.js

function obj_to_param(obj) {
  return Object.keys(obj).map(function(key) {
    return key + '=' + obj[key];
  }).join('&');
}

function somef(obj) {
  fetch(`${URL}/api/get/some?${obj_to_param(obj)}`)
    .then((res) => res.json())
    .then((json) => console.log('some: ', json.body))
    .catch(error => console.log('some error: ', error));
}