How to use the md5.default function in md5

_authorization(url, method) {
	let authorization = 'Digest'
	if (method == undefined)
	    method = 'GET'

	url = this.url_rewrite_func(url)

	this.cnonce_counter++;
	let cnonce_counter = (''+this.cnonce_counter).padStart(8, '0')

	let A2 = method.toUpperCase() + ':' + url
	let HA2 = md5.default(A2)
	let resp = this.HA1 + ':' + this.auth.nonce + ':' + cnonce_counter + ':' + this.cnonce + ':' + this.auth.qop + ':' + HA2
	let response = md5.default(resp)

	authorization += ' username="' + this.username + '"'
	authorization += ', realm="' + this.auth.realm + '"'
	authorization += ', nonce="' + this.auth.nonce + '"'
	authorization += ', uri="' + url + '"'
	authorization += ', qop=' + this.auth.qop
	authorization += ', nc=' + cnonce_counter
	authorization += ', cnonce="' + this.cnonce + '"'
	authorization += ', response="' + response + '"'

	return authorization;
    }

_authorization(url, method) {
	let authorization = 'Digest'
	if (method == undefined)
	    method = 'GET'

	url = this.url_rewrite_func(url)

	this.cnonce_counter++;
	let cnonce_counter = (''+this.cnonce_counter).padStart(8, '0')

	let A2 = method.toUpperCase() + ':' + url
	let HA2 = md5.default(A2)
	let resp = this.HA1 + ':' + this.auth.nonce + ':' + cnonce_counter + ':' + this.cnonce + ':' + this.auth.qop + ':' + HA2
	let response = md5.default(resp)

	authorization += ' username="' + this.username + '"'
	authorization += ', realm="' + this.auth.realm + '"'
	authorization += ', nonce="' + this.auth.nonce + '"'
	authorization += ', uri="' + url + '"'
	authorization += ', qop=' + this.auth.qop
	authorization += ', nc=' + cnonce_counter
	authorization += ', cnonce="' + this.cnonce + '"'
	authorization += ', response="' + response + '"'

	return authorization;
    }

}

		    let challenge = response.headers.get('www-authenticate')
		    if (challenge.slice(0,6).toLowerCase() != 'digest') {
			reject('unexpected www-authenticate: ' + auth_header)
		    }

		    let digest_challenge = challenge.slice(6)
		    let auth = this._name_value_string_to_object(digest_challenge)

		    if (auth.qop != 'auth') {
			reject('expected qop "auth" got ' + auth.qop)
		    }

		    let A1 = this.username + ":" + auth.realm + ':' + this.password;
		    this.HA1 = md5.default(A1)
		    this.auth = auth
		    this.cnonce = 'deadbeef'
		    this.have_challenge = true;

		    return resolve()

		}).catch((err) => {
		    return reject(err)

export function createTreeId({contentId, parentId}: { contentId: id, parentId: id }): id {
	const objectToStringify = {
		contentId,
		parentId
	};
	const stringified = stringify(objectToStringify);
	const treeId = md5(stringified);
	return treeId;
}