feat: make alby oauth url customizable

README.md

@@ -225,6 +225,7 @@ const authClient = new auth.OAuth2User({
 
 const authUrl = authClient.generateAuthURL({
   code_challenge_method: "S256",
+  // authorizeUrl: "https://getalby.com/oauth"  endpoint for authorization (replace with the appropriate URL based on the environment)
 });
 // open auth URL
 // `code` is passed as a query parameter when the user is redirected back aufter authorization

src/OAuth2User.ts

@@ -162,7 +162,7 @@ export class OAuth2User implements OAuthClient {
       code_challenge_method = "plain";
     }
     const code_challenge = this.code_challenge;
-    const url = new URL(AUTHORIZE_URL);
+    const url = new URL(options.authorizeUrl || AUTHORIZE_URL);
     url.search = buildQueryString({
       ...options,
       client_id,

src/types.ts

@@ -25,7 +25,7 @@ export interface Token extends Omit<GetTokenResponse, "expires_in"> {
 
 
 export type GenerateAuthUrlOptions =
-  | {
+{authorizeUrl?: string} & (|{
       code_challenge_method?: string;
       code_challenge?: string;
     }
@@ -42,7 +42,7 @@ export type GenerateAuthUrlOptions =
       code_challenge: string;
       /** Specifies the method you are using to make a request (S256 OR plain). */
       code_challenge_method?: "plain";
-    };
+    });
 
 export abstract class OAuthClient implements AuthClient {
   abstract token?: Token;