Compatibility problem arising from the versions of ember-precompile, ember.js, and handlebars.js

Having trouble reading the precompiled templates in my HTML due to compatibility issues between ember-precompile, ember.js, and handlebars.js.

My code looks like this:

Includes the following files.

<script src="../js/libs/jquery-1.10.2.js"></script>
<script src="../js/libs/handlebars-v1.3.0.js"></script>
<script src="../js/libs/ember-1.2.0.js"></script>
<script src="js/precompile.js"></script>
<script src="js/precompile.app.js"></script>

Attempting to read my compiled template inside the body tag.

<div id="tempdiv">hello</div>
<script type="text/javascript">
    var compiledTemplate = Em.TEMPLATES["precompile"];
    var temp_html = compiledTemplate({ name: 'World' });
    console.log(temp_html);  //Uncaught TypeError: Cannot read property 'push' of undefined 
    $("#tempdiv").html(temp_html);
</script>

Already installed npm handlebars compiler version in command prompt as:

npm install <a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="8be3eae5efe7eee9eaf9f8cbbaa5b8a5bb">[email protected]</a> -g

Handlebars COMPILER_REVISION in console shows as 4

Handlebars.COMPILER_REVISION  -- 4

With these versions, I can read the templates using Handlebars as

Handlebars.templates['test_temp'];

Then installed ember-precompile from the following package -

https://www.npmjs.org/package/ember-precompile

Installed in command prompt as:

npm install ember-precompile

Now struggling to read the compiled templates using Em.TEMPLATE["template_name"].

There seems to be a compatibility issue with the versions of ember, handlebars, and ember-precompile I have included and installed.

Which version of each one matches and can successfully read the compiled templates?

Answer №1

Dealing with outdated ember-precompile has always been a headache for me. Thankfully, there is a solution. Simply locate the directory where ember-precompile is stored (in my case, it's globally at

/usr/local/share/npm/lib/node_modules/ember-precompile
) and update the libraries in the vendor folder. The current version is compatible with Ember 1.2.0 and Handlebars 1.1.2, but feel free to swap them out with the versions you require. (You may need to maintain the same file names, although I'm not entirely certain.)

Furthermore, are you really embedding the precompile Javascript files in your webpage? This completely negates the purpose of precompiling in the first place.

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