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We (mostly) don’t care about your CSS/JS¶
We’ll start by talking about CSS and JS files, and just how much Symfony doesn’t care about these. I mean that in a good way - you don’t necessarily need a PHP Framework to help you include a JavaScript file.
Open up your base template and find the weird stylesheets tag there:
{# app/Resources/views/base.html.twig #}
{# ... #}
{% block stylesheets %}
{# link tag for bootstrap... #}
{% stylesheets
'bundles/event/css/event.css'
'bundles/event/css/events.css'
'bundles/event/css/main.css'
filter='cssrewrite'
%}
<link rel="stylesheet" href="{{ asset_url }}" />
{% endstylesheets %}
{% endblock %}
Symfony does have some optional tricks for assets, and this is one of them. For now, just remove this whole block and replace it with 3 good, old-fashioned link tags:
{# app/Resources/views/base.html.twig #}
{# ... #}
{% block stylesheets %}
{# link tag for bootstrap... #}
<link rel="stylesheet" href="/bundles/event/css/event.css" />
<link rel="stylesheet" href="/bundles/event/css/events.css" />
<link rel="stylesheet" href="/bundles/event/css/main.css" />
{% endblock %}
Login with Wayne and password waynepass (party on) and then open up the HTML source on the homepage.
No Symfony magic here - this is just pure frontend code that points to real files in the web/bundles/event/css directory. And since the web/ directory is the document root, we don’t include that part.
Making Bundle Assets Public¶
The only thing Symfony is doing is helping move these files from their original location inside EventBundle’s Resources/public directory. But remember from episode 1 that Symfony has an assets:install console command. Run this again with a symlink option:
php app/console assets:install --symlink
Note
Symbolically links src/Yoda/EventBundle/Resources/public to web/bundles/event.
This creates a symbolic link from web/bundles/event to that Resources/public directory. This is just a cheap trick to expose CSS or JS files to the web/ directory that live inside a bundle. This lets us point at a real, physical file with the link tag.
Tip
The --sylmink option may not work on all Windows setups (depending) on your permissions.
You can also just put your CSS and JS files directly into the web/ directory. In fact, that’s a great idea.
The Twig asset Function¶
Take your simple link tag href and wrap it in a Twig asset function:
{# app/Resources/views/base.html.twig #}
{# ... #}
{% block stylesheets %}
{# link tag for bootstrap... #}
<link rel="stylesheet" href="{{ asset('bundles/event/css/event.css') }}" />
<link rel="stylesheet" href="{{ asset('bundles/event/css/events.css') }}" />
<link rel="stylesheet" href="{{ asset('bundles/event/css/main.css') }}" />
{% endblock %}
I want you to notice that the path isn’t changing, except that we don’t need the first / anymore. When you’ve got this, refresh. The site still looks great and the HTML source looks exactly as it did before, so asset isn’t doing anything . . . yet.
Leave a comment!
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2016-09-07 Victor Bocharsky -
2016-09-07 Max