feat: add post logout redirect url

src/components/LogoutLink.js

@@ -4,16 +4,27 @@ import {config} from '../config/index';
 /**
  * @typedef {Object} PropsType
  * @prop {React.ReactNode} children
+ * @prop {string} [postLogoutRedirectURL]
  *
  * @typedef {PropsType & React.AnchorHTMLAttributes<HTMLAnchorElement>} Props
  */
 
 /**
  * @param {Props} props
  */
-export function LogoutLink({children, ...props}) {
+export function LogoutLink({children, postLogoutRedirectURL, ...props}) {
+  let params = new URLSearchParams();
+  let paramsObj = {};
+  if (postLogoutRedirectURL != null)
+    paramsObj.post_logout_redirect_url = postLogoutRedirectURL;
+
+  for (const key in paramsObj) params.append(key, paramsObj[key]);
+
   return (
-    <a href={`${config.apiPath}/logout`} {...props}>
+    <a
+      href={`${config.apiPath}/logout${params ? `?${params.toString()}` : ''}`}
+      {...props}
+    >
       {children}
     </a>
   );

src/handlers/logout.js

@@ -1,7 +1,21 @@
 export const logout = async (routerClient) => {
   const authUrl = await routerClient.kindeClient.logout(
-    routerClient.sessionManager
+    routerClient.sessionManager,
+    {
+      authUrlParams: Object.fromEntries(routerClient.searchParams)
+    }
   );
 
+  const postLogoutRedirectURL = routerClient.getSearchParam(
+    'post_logout_redirect_url'
+  );
+
+  if (postLogoutRedirectURL) {
+    await routerClient.sessionManager.setSessionItem(
+      'post_logout_redirect_url',
+      postLogoutRedirectURL
+    );
+  }
+
   routerClient.redirect(authUrl);
 };