Haml template for Grav CMS
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README.md

Grav Haml Plugin

Warning this plugin is in Alpha stage

The Haml Plugin is for Grav CMS. Haml Twig template support. With this plugin installed you can write your template files in HAML using all the twig power. The benefit are simple

Installation

Installing the Haml plugin can be done in one of two ways. The GPM (Grav Package Manager) installation method enables you to quickly and easily install the plugin with a simple terminal command, while the manual method enables you to do so via a zip file.

GPM Installation (Preferred)

The simplest way to install this plugin is via the Grav Package Manager (GPM) through your system's terminal (also called the command line). From the root of your Grav install type:

bin/gpm install haml

This will install the Haml plugin into your /user/plugins directory within Grav. Its files can be found under /your/site/grav/user/plugins/haml.

Manual Installation

To install this plugin, just download the zip version of this repository and unzip it under /your/site/grav/user/plugins. Then, rename the folder to haml. You can find these files on GitHub or via GetGrav.org.

You should now have all the plugin files under

/your/site/grav/user/plugins/haml

NOTE: This plugin is a modular component for Grav which requires Grav and the Error and Problems to operate.

Configuration

Before configuring this plugin, you should copy the user/plugins/haml/haml.yaml to user/config/plugins/haml.yaml and only edit that copy.

Here is the default configuration and an explanation of available options:

enabled: true

Usage

You have 2 options to use haml in your twig template. One options is fairly simple, inside your html.twig file you add a special line so the parser recognize it's haml markup instead of twig html. The second options requires to modify core grav files, so grav scans for files ending with *.haml.twig on top of files ending with *.html.twig. You won't need to add a special header line in your file as the plugin will kick in if you file name ends with haml.twig.

1. Using haml inside twig template

Add the following line to your template files where you need haml code to be parsed:

{%haml%}
!!! 5
%html(lang="en")
  %head  
    %title
      Hello World
  %body      
    %p
      Hello World

Warning! You cannot mix normal html/twig with haml/twig.

2. Auto detecting haml twig template based on file name

You can modify the core of grav, so it loads templates with extension *.haml.twig. By default Grav only loads file with extension *.html.twig. Below are the modifications:

Modify Grav core to auto detect Haml templates

Line 60 of Grav\Common\Twig\Twig Add

    public $templateExt = TEMPLATE_EXT;

Ligne 240 modify

 if ($item->modularTwig()) {
                $twig_vars['content'] = $content;
                $template = $item->template() . $this->templateExt;
                $output = $content = $local_twig->render($template, $twig_vars);
 }

Line 352 modify

 if ($ext != $this->templateExt) {
                try {
                    $page->templateFormat('html');
                    $output = $this->twig->render($page->template() . $this->templateExt, $vars + $twig_vars);

                } catch (\Twig_Error_Loader $e) {
                    throw new \RuntimeException($error_msg, 400, $e);
                }
            } else {
                throw new \RuntimeException($error_msg, 400, $e);
 }

Line 72 et 74 de Grav\Common\Page\Types

public function scanTemplates($uri) {
       $options = [
            'compare' => 'Filename',
            'pattern' => '/\.(haml|html)\.twig$/',
            'filters' => [
                'value' => '/\.(haml|html)\.twig$/'
            ],
            'value' => 'Filename',
            'recursive' => false
        ];
} 

3. Haml twig template example

- set theme_config = attribute(config.themes, config.system.pages.theme)
!!! 5
%html(lang="#{grav.language.getActive ?: theme_config.default_lang}")
  %head
    - block head
      %meta(charset="utf-8")
      - set page_title = header.title | replace({',':''})
      %title
        #{ page_title ? page_title ~ ' |' | e('html') : ''} #{site.title|e('html')}

      %meta(http-equiv="X-UA-Compatible" content="IE=edge")
      %meta(name="viewport" content="width=device-width, initial-scale=1")

      %link(rel="icon" type="image/png" href="#{ url('theme://images/logo.png') }")
      %link(rel="canonical" href="#{ page.url(true, true) }")
      - block stylesheets
        - do assets.addCss('theme://css/style.css?698866', 98)
      = assets.css()
      - include 'partials/metadata.haml.twig'
  %body(id="#{ page.slug }" class="#{ page.header.body_classes } #{body_class} ")
    - block navigation
      //include navigation partial 
      - include 'partials/navigation.haml.twig'

    - block body
      .body.clearfix
        - block content
          Page content starts here


    - block javascripts
      - do assets.addJs('theme://js/3d.js')
      
  %script{src:"#{url('theme://bower_components/requirejs/require.js')}", type: 'text/javascript'}
  :javascript
      requirejs.config({
        baseUrl: '#{url("theme://js/")}',
        paths: {
          jquery: '../bower_components/jquery/dist/jquery.min',
        },
        shim: {
        }
      });
  = assets.js()

You can fin more information on using haml php twig compatibility on Arnaud Le Blanc website. https://github.com/arnaud-lb/MtHaml

Credits

This code is based on mthaml by Arnaud Le Blanc More information and tutorials on https://github.com/arnaud-lb/MtHaml

To Do

  • A simpler and better integration with Grav, add more options to integrate scssphp, coffescript etc...