const flash = require('connect-flash');
app.use(flash());
app.use((req, res, next) => {
res.locals.currentUser = req.user;
res.locals.success = req.flash('success');
res.locals.error = req.flash('error');
next();
});
middlewareObj.isLoggedIn = (req, res, next) => {
if (req.isAuthenticated()) {
return next();
}
req.flash('error', 'You must be logged in to do that!');
res.redirect('/login');
};
<div class="container">
<% if (success && success.length > 0) { %>
<div class="alert alert-success" role='alert'>
<%= success %>
</div>
<% } %>
<% if (error && error.length > 0) { %>
<div class="alert alert-danger" role='alert'>
<%= error %>
</div>
<% } %>
</div>