Sort JSON and Create UL LI

sortandcreate.js

const menuItems = [
  {},
  {}
]

const objects = ["fields", "icon"]
const fields = [...objects, "title", "slug"]

const cleanupJSON = (list: any) => {
    const json: any = {}
    const keys = Object.keys(list)
    for (const key of keys) {
        if (typeof list[key] === "object") {
            json[key] = cleanupJSON(list[key])
            if (Object.keys(json[key]).length === 0) {
                  delete json[key]
              }
        }
        if (typeof list[key] === "object" && objects.includes(key)) {
            json[key] = cleanupJSON(list[key])
        }
        else if(fields.includes(key)) {
            json[key] = list[key]
        }
    }
    return json
}

const buildListFromJson = (json: any) => {
    const ul: any[] = []
    const keys = Object.keys(json)
    for (const key of keys) {
        if (typeof json[key] === "object") {
            ul.push(buildListFromJson(json[key]))
        } else {
            ul.push(`<li>${key}: ${json[key]}</li>`)
        }
    }
    return `<ul>${ul.join("")}</ul>`
}
const cleanJSON = cleanupJSON(menuItems)
const menuList = buildListFromJson(cleanJSON)

console.log(cleanJSON)