mongoose.findOne directly from dust.js

dust-helpers.js

dust.helpers.mon = function(chunk, ctx, bodies, params) {
    return chunk.map(function(chunk) {
        var m = params.name;
        if (!m || !models[m]) return chunk.write('No such model').end();

        models[m].findOne().exec(function(err, doc) {
            if (err) return chunk.write(err).end();
            chunk.render(bodies.block, ctx.push(doc)).end();
        });
    });
};

view.dust

{@mon name="page"}
    Hello {title}
{/mon}