contentFor block helper for hbs

block.js

var express = require('express'),
    exphbs  = require('express3-handlebars'),

    app = express(),
    hbs;

hbs = exphbs.create({
    helpers: {
        block: function (name) {
            var blocks  = this._blocks,
                content = blocks && blocks[name];

            return content ? content.join('\n') : null;
        },

        contentFor: function (name, options) {
            var blocks = this._blocks || (this._blocks = {}),
                block  = blocks[name] || (blocks[name] = []);

            block.push(options.fn(this));
        }
    }
});

app.engine('handlebars', hbs.engine);
app.set('view engine', 'handlebars');

use.md

in index.layout define

{{{block "pageScripts"}}}

in index.hbs define

{{#contentFor "pageScripts"}}
<script>
 // my page specific code here
</script>
{{/contentFor}}