I am using handlebars.js templates with node and express. I am making a numbered list using the {{@index}} template tag, however since index starts at 0 and I want to start from one, it seems I need to use a custom helper. I've seen plenty of posts regarding this and I've found the following code:

Handlebars.registerHelper(inc, function(value, options)

{

    return parseInt(value) + 1;

});



{{#each score}}

      <li class=list-group-item>

      <div id=place> {{inc @index}} &nbsp </div>

      <div class=wordOrName>{{ player_name }}</div>

           <div class=number>{{ score }}</div></li>

        {{/each}}

What I cannot seem to find is where the helper register function is supposed to go. I've tried putting it inside in the template itself and in various other places but I still keep getting

Error: Missing helper: inc

   at model.<anonymous>

Ideally I'd like to have the helper in a separate file helpers.js but I don't have the slightest idea of how to get handlebars to recognize it.

EDIT:

Handlebars is included in the project with the following code inside the node file index.js:

// view engine

app.set('views', __dirname + '/views/');

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

app.engine('handlebars', engines.handlebars); 

It appears impossible to include the helper function within the template itself.