Function formatDigestAuth

formatDigestAuth(
    challenge: DigestChallenge,
    username: string,
    response: string,
    uri: string,
    cnonce?: string,
    nc?: string,
): string
Format a full Authorization: Digest ... header value from the challenge and the computed response hash.

Only the first qop value (if multiple are offered) is used in the header — per RFC 7616 §3.4, the client chooses one.
Parameters
- challenge: DigestChallenge
  Parsed challenge from the 401 response.
- username: string
  Digest auth username.
- response: string
  Hex-encoded digest response (from computeDigestResponse).
- uri: string
  Request URI path + query.
- Optionalcnonce: string
  Client nonce. Auto-generated if omitted (warning: must match the value used in computeDigestResponse).
- Optionalnc: string
  Nonce count. Defaults to "00000001" if omitted (warning: must match the value used in computeDigestResponse).
Returns string
The full Authorization header value, e.g. Digest username="Mufasa", realm="testrealm@host.com", ...
Example
```
const auth = formatDigestAuth(challenge, "Mufasa",
  "6629fae49393a05397450978507c4ef1",
  "/dir/index.html", "f2/wE", "00000001");
```
- Defined in src/digest.ts:577