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handlebars-helper-less

v0.1.1

Published

{{less}} handlebars helper. This helper allows you to use LESS inside style tags in your HTML. By default, the resulting CSS will be rendered inside the `<style>...</style>` tags of the rendered HTML, but you may alternatively define a destination path us

Downloads

8

Readme

{{less}} NPM version

{{less}} handlebars helper. This helper allows you to use LESS inside style tags in your HTML. By default, the resulting CSS will be rendered inside the <style>...</style> tags of the rendered HTML, but you may alternatively define a destination path using the dest hash option of the helper.

Quickstart

In the root of your project, run the following in the command line:

npm i handlebars-helper-less --save-dev

Example:

{{#less}}
<style>
@foo-border-color: #eee;

// Foo
.foo {
  margin: 20px 0;
  padding: 20px;
  border-left: 3px solid @foo-border-color;
}
</style>
{{/less}}

Compiles to:

<style>
.foo {
  margin: 20px 0;
  padding: 20px;
  border-left: 3px solid #eee;
}
</style>

Options

In addition to native Less.js options, the following helper options may be defined on the less object in the assemble options, e.g:

assemble: {
  options: {
    less: {
      // less options here
    }
  }
}

dest

Type: String Default: undefined

Optionally define a destination path for the compiled CSS. The filename will be appended to either a destdir defined in the less options, or to the assets path, if defined. When no dest is defined in the hash, the resulting CSS will be rendered inside <style>...</style> tags in the output HTML.

For example, give the following expression: {{#less dest="foo.css"}}...{{/less}}, and the following defined in the Gruntfile:

assemble: {
  options: {
    assets: 'dist/assets/css'
  }
}

The compiled CSS will be saved to: dist/assets/css/foo.css.

destdir

Type: String Default: undefined

Optionally define a destination directory to prepend to any dest used in the options hash of the helper.

For example, give the following expression: {{#less dest="foo.css"}}...{{/less}}, and the following defined in the Gruntfile:

assemble: {
  options: {
    assets: 'dist/assets/css',
    less: {
      destdir: 'css'
    }
  }
}

The compiled CSS will be saved to: css/foo.css.

Usage Examples

Using the dest option

HTML and LESS

Given that we have component.hbs:

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <title>Document</title>
  </head>
  <body>

    {{#less dest="component.css"}}
      <style>
      @component-border-color: #eee;
      .component {
        margin: 20px 0;
        padding: 20px;
        border-left: 3px solid @component-border-color;
      }
      </style>
    {{/less}}

    <!-- The component -->
    <div class="component">This is an awesome component!</div>

  </body>
</html>

And we have this config in the Gruntfile:

assemble: {
  options: {
    assets: 'dist/assets/css'
  }
}

Rendered HTML and CSS

It would render to: dist/component.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <title>Document</title>
  </head>
  <body>

    <!-- The component -->
    <div class="component">This is an awesome component!</div>

  </body>
</html>

and dist/assets/css/component.css

.foo {
  margin: 20px 0;
  padding: 20px;
  border-left: 3px solid #eee;
}

Register the Helper

If you use Assemble choose one of the following approaches to register the helper:

Option #1: Gruntfile

Define paths to any helpers in the helpers option of your project's Gruntfile:

grunt.initConfig({
  assemble: {
    options: {
      helpers: ['handlebars-helper-less']
    },
    files: {}
  }
});

Option #2: Add to devDependencies and keywords

Or, add the helper to the devDependencies of your project's package.json, and then add the name of the module, handlebars-helper-less, to the keywords:

{
  "name": "foo",
  "dependencies": {
    "handlebars-helper-less": "*"
  },
  "keywords": [
    "handlebars-helper-less"
  ]
}

Assemble will automatically register any helpers found when matching names are defined in both keywords and devDependencies. It just works.

Contributing

Please see the Contributing to Assemble guide for information on contributing to this project.

Author

Jon Schlinkert

Related Projects and Links

License

Copyright (c) 2013 Jon Schlinkert, contributors. Released under the MIT license


This file was generated by grunt-readme on Fri Nov 15 2013 01:02:26.