Function registerClient

src/client/auth.ts:1436–1478

(
    authorizationServerUrl: string | URL,
    {
        metadata,
        clientMetadata,
        scope,
        fetchFn
    }: {
        metadata?: AuthorizationServerMetadata;
        clientMetadata: OAuthClientMetadata;
        scope?: string;
        fetchFn?: FetchLike;
    }
)

 * consistently across both DCR and the subsequent authorization request.
 */
export async function registerClient(
    authorizationServerUrl: string | URL,
    {
        metadata,
        clientMetadata,
        scope,
        fetchFn
    }: {
        metadata?: AuthorizationServerMetadata;
        clientMetadata: OAuthClientMetadata;
        scope?: string;
        fetchFn?: FetchLike;
    }
): Promise<OAuthClientInformationFull> {
    let registrationUrl: URL;

    if (metadata) {
        if (!metadata.registration_endpoint) {
            throw new Error('Incompatible auth server: does not support dynamic client registration');
        }

        registrationUrl = new URL(metadata.registration_endpoint);
    } else {
        registrationUrl = new URL('/register', authorizationServerUrl);
    }

    const response = await (fetchFn ?? fetch)(registrationUrl, {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({
            ...clientMetadata,
            ...(scope !== undefined ? { scope } : {})
        })
    });

    if (!response.ok) {
        throw await parseErrorResponse(response);
    }

    return OAuthClientInformationFullSchema.parse(await response.json());
}