EmberJS - how to register a precompiled handlebars template

In my EmberJS application, I have precompiled all of my handlebars templates so that they are loaded as pure Javascript files.

However, I am encountering an issue where these precompiled templates are not being added to the Ember container as expected. Instead, I receive an error message when specifying a template for my view:

Uncaught Error: assertion failed: You specified the templateName "application" for <MyApp.ApplicationView:ember164>, but it did not exist.

Below is the code snippet for my view:

window.MyApp.ApplicationView = Ember.View.extend({
   templateName: 'application'
});

After debugging, I noticed that the views do not seem to be registered in the Ember container. Is there a specific step I need to take to properly register precompiled templates with the container? If so, could you please provide guidance on how to do so?

Edit: I have been compiling the templates using the handlebars npm package.

javascriptember.jshandlebars.js

Answer №1

Ember.TEMPLATES serves as the directory for all templates, using the template name as the key in a hash lookup.

When you run your ApplicationView, it searches for the corresponding template within Ember.TEMPLATES['application'].

Answer №2

Although the npm handlebars compiler successfully compiles the templates, they still need to be registered with Ember for proper loading. There are a couple of options to achieve this:

  • Manually load the templates by assigning them to Ember.TEMPLATES['sometemplate'] = COMPILED TEMPLATE. This method can be cumbersome.
  • Alternatively, you can utilize a specialized compiler like npm ember-precompile, which automatically registers the compiled templates in the Ember template container.

Answer №3

If you're looking for a solution based on Ruby and Guard, take a look at my gist located here: https://gist.github.com/perlun/5286391

To implement it in your Guardfile, use the following code:

guard 'ember_handlebars',
    :input => 'app/handlebars_templates',
    :output => 'app/handlebars_compiled',
    :remove_prefix => 'app/handlebars_templates/' do
  watch(%r{app/handlebars_templates/(.+\.handlebars)})
end

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