GitHub Users

async function toJSON(url) {
  try {
    let r = await fetch(url)
    if (!r.ok) exception(r.status)
    return r.json()
  } catch (e) {
    error(e)
  }
}
async function readUser() {
    const URL = "https://api.github.com/users/"
    let u = await toJSON(URL+usr.value)
    if (!u || !u.login) return
    out.hidden = 0; err.hidden = 1
    //start with the avatar
    avatar.src = u.avatar_url
    //name and location
    let s = (u.name || u.login)
    if (u.location) s += ', '+u.location
    repoName.innerText = s; console.log(s)
    //link to GitHub 
    let h = "github.com/"+u.login
    repoLink.href = "https://"+h
    repoLink.innerText = h
    //repo count and repo names
    let n = u.public_repos
    repoCount.innerText = n
    let b = n>0? await toJSON(URL+u.login+"/repos") : []
    repoList.innerText = b.map(x => x.name).join(", ")
    showRateLimit()
}