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yhandlebars is a YUI handlebars based command-line application for precompiling templates as YUI modules. Checkout the official Handlebars docs site at and the official YUI Handlebars docs at

Precompiling Templates

Handlebars allows templates to be precompiled and included as javascript code rather than the handlebars template allowing for faster startup time.


The precompiler script may be installed via npm using the npm install -g yhandlebars command.


Precompile handlebar templates.
Usage: yhandlebars <template> ...
  -f, --output     Output File                                                                [string]
  -k, --known      Known helpers                                                              [string]
  -o, --knownOnly  Known helpers only                                                         [boolean]
  -m, --min        Minimize output                                                            [boolean]
  -s, --simple     Output template function only.                                             [boolean]
  -r, --root       Template root. Base value that will be stripped from template names.       [string]
  -n, --namespace  Namespace in which the templates object will reside under the Y instance.  [string]  [default: "Handlebars"]
  -p, --plain      Plain module output without YUI.add(...) wrapper function.                 [boolean]

Simple mode

If using the simple mode the precompiler will generate a single javascript method.

Module mode

If using the precompiler's normal mode, the resulting templates will be stored to the Y.Handlebars.templates object using the relative template name sans the extension. These templates may be executed in the same manner as templates.


To change the location where the templates object should be stored on the Y instance just pass a namespace argument like this -n NS and the templates will be stored to Y.NS.templates.

Mustache compatible

The compiler will also precompile *.mustache and *.hbs files.

Using templates in YUI

The templates will be wrapped in a YUI.add(...) call to be used as a YUI module. The name of the module will be the relative -f output file name sans the extension. If the -f argument is not given the module name will default to handlebars-templates.

Since the module is configured to require handlebars-base you can simply use the module in YUI like this:

<!DOCTYPE html>
<meta charset="utf-8">
<title>My Favorite Food</title>
<div id="content"></div>
<script src=""></script>
YUI().use("handlebars-templates", "node", function (Y) {
    // Render the template and insert its output into the page. 
    var output = Y.Handlebars.templates["my-template"]({food: "pie"});"#content").append(output);


yhandlebars is a port of the handlebarsjs command-line application to YUI handlebars.