Add a new property 'fragment' to be appended to the authorize URL on redirect

__tests__/index.test.ts

@@ -527,6 +527,17 @@ describe('Auth0', () => {
         `https://test.auth0.com/authorize?query=params${TEST_TELEMETRY_QUERY_STRING}`
       );
     });
+    it('calls `window.location.assign` with the correct url and fragment if provided', async () => {
+      const { auth0 } = await setup();
+
+      await auth0.loginWithRedirect({
+        ...REDIRECT_OPTIONS,
+        fragment: '/reset'
+      });
+      expect(window.location.assign).toHaveBeenCalledWith(
+        `https://test.auth0.com/authorize?query=params${TEST_TELEMETRY_QUERY_STRING}#/reset`
+      );
+    });
     it('can be called with no arguments', async () => {
       const { auth0 } = await setup();
 

src/Auth0Client.ts

@@ -218,6 +218,7 @@ export default class Auth0Client {
     const code_verifier = createRandomString();
     const code_challengeBuffer = await sha256(code_verifier);
     const code_challenge = bufferToBase64UrlEncoded(code_challengeBuffer);
+    const fragment = options.fragment ? `#${options.fragment}` : '';
     const params = this._getParams(
       authorizeOptions,
       stateIn,
@@ -233,7 +234,7 @@ export default class Auth0Client {
       scope: params.scope,
       audience: params.audience || 'default'
     });
-    window.location.assign(url);
+    window.location.assign(url + fragment);
   }
 
   /**

src/global.ts

@@ -118,6 +118,10 @@ interface RedirectLoginOptions extends BaseLoginOptions {
    * Used to store state before doing the redirect
    */
   appState?: any;
+  /**
+   * Used to add to the URL fragment before redirecting
+   */
+  fragment?: string;
 }
 
 interface RedirectLoginResult {