 style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>Now, you can click on &quot;Login&quot;, and you should see a client-side error message.</p><h3 id="handle-logins" tabindex="-1">Handle Logins <a class="header-anchor" href="#handle-logins" aria-label="Permalink to &quot;Handle Logins&quot;">​</a></h3><p>Now, we&#39;ll build out the login handler. An email must exist and be 