The Simplest Js Router

Here is the simplest router I have figured out in Javascript:

function getURLValues(URL = window.location.href ){
  const search_params = new URLSearchParams(URL)
  let options = {}
  for (const [key, unparsed_value] of search_params) {
    if(key !== window.location.origin + window.location.pathname + '?' ){
      try {
        const value = JSON.parse(decodeURI(unparsed_value))
        options[key] = value
      } catch {
        options[key] = decodeURI(unparsed_value)
      }
    }
  }
  return options
}

function setURLValues(obj){
  let url = window.location.origin + window.location.pathname + '?'
  Object.keys(obj).forEach(key => {
    url += `&${key}=${obj[key]}`
  })
  history.pushState(obj, '', url)
}

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