Express.js application bug: validationResult(req) method does not work

Question

I am working on a blogging application (click the link to see the GitHub repo) with Express, EJS and MongoDB.

Before submitting a

Answer 1

exports.addPost = (req, res, next) => {
    const errors = validationResult(req);
    if (!errors.isEmpty()) {
        req.flash('errors', errors.array())
        req.session.save(() => res.redirect('../addpost'));
        //return res.status(400).send(errors.array());
    } else {
            const post = new Post();
                post.title = req.body.title;
                post.short_description = req.body.excerpt
                post.full_text = req.body.body;

            post.save(function(err){
                    if(err){
                            console.log(err);
                            return;
                    } else {
                        req.flash('success', "The post was successfully added");
                        req.session.save(() => res.redirect('/dashboard'));
                    }
            });
    }
}

messages.ejs

<% Object.keys(messages).forEach(function (type) { %>
    <% messages[type].forEach(function (message) { %>
        <% if (type === 'errors') {%>
            
<%= message.msg %>
        <%} else { %>
            
<%= message %>
        <% } %>
    <% }) %>
<% }) %>

I guess this is what you intended to do