nboliver/directives.php

## directives.php
<?php

namespace App;
/**
 * Custom Blade directives
 */
add_action('after_setup_theme', function () {
    /**
     * Icon Blade directives
     */
    sage('blade')->compiler()->directive('icon', function ($id) {
        if($id){
            return '<svg class="icon icon--' . $id . '"><use xlink:href="' . asset_path("images/symbols.svg") . '#icon-' . $id . '"></use></svg>';
        }
    });
}


## symbols.svg

      
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              symbols.svg
            
          
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## template.blade.php
@icon('facebook')
	<?php

	namespace App;
	/**
	* Custom Blade directives
	*/
	add_action('after_setup_theme', function () {
	/**
	* Icon Blade directives
	*/
	sage('blade')->compiler()->directive('icon', function ($id) {
	if($id){
	return '<svg class="icon icon--' . $id . '"><use xlink:href="' . asset_path("images/symbols.svg") . '#icon-' . $id . '"></use></svg>';
	}
	});
	}