setSearchParam.js

const ensureStartsWith = (start, str) => str.startsWith(start) ? str : start + str

const setSearchParam = searchStr =>
  (key, value) => {
    if (!value) return searchStr

    const searchParams = new URLSearchParams(searchStr)
    searchParams.set(key, value)

    const newSearchStr =
      ensureStartsWith('?', searchParams.toString())

    return newSearchStr
  }

export default setSearchParam