Function hintUrl

src/cli/htmlhint.ts:527–543

(
  url: string,
  ruleset: Ruleset | undefined,
  callback: (messages: Hint[]) => void
)

// hint url
function hintUrl(
  url: string,
  ruleset: Ruleset | undefined,
  callback: (messages: Hint[]) => void
) {
  const errorFn = () => callback([])
  fetch(url).then((response) => {
    if (response.ok) {
      response.text().then((body) => {
        const messages = HTMLHint.verify(body, ruleset)
        callback(messages)
      }, errorFn)
    } else {
      errorFn()
    }
  }, errorFn)
}