[wp-hackers] Loading JS & CSS from inside a plugin

Otto otto at ottodestruct.com
Tue Mar 22 21:09:48 UTC 2011

Yikes. That's annoying.

Better way:

1. Make your JS file static. Like a file named code.js. Put it in the
same dir as the plugin.

2. wp_enqueue_script('code', plugin_dir_url(__FILE__).'code.js', 'jquery');


On Tue, Mar 22, 2011 at 4:01 PM, Dave Ross <dave at davidmichaelross.com> wrote:
> I'm the author of the Dave's WordPress Live Search plugin, and getting very
> frustrated trying to load Javascript and CSS within my plugin.
> I've spent way too many hours dealing with all the different configurations
> & plugins my users are using, including (but probably not limited to):
> * Normal WordPress in Docroot
> * Normal WordPress in a subdirectory
> * WP Subdomains plugin
> * wp-content in a non-standard location
> * WPMU
> Way back in my plugin's v1.0 days, I included the relevant JS & CSS in the
> page's <head>. But that upset a lot of devs who didn't want the same code
> included in every page. It's redundant, but at least I could be guaranteed
> it would work.
> As of the current dev version, I'm hooking into parse_request and returning
> the static resource if a query parameter exists.
> Here's how I'm loading one of the scripts:
> define('DWLS_JS_PARAM', 'dwls_js');
> wp_enqueue_script('jquery_dimensions', get_bloginfo('url') . "?" .
> DWLS_JS_PARAM . '=dimensions', 'jquery');
> It's slower than linking to a static file (WordPress has to start running),
> but it works universally -- or so I thought. Today, I got two bug reports
> for issues loading resources on WPMU, one of which is using the dev version:
> http://wordpress.org/support/topic/plugin-daves-wordpress-live-search-broken-with-domain-mapping-wpmu
> My question in the short term is "what am I doing wrong?". Is there a better
> way I can link to a resource and be guaranteed it'll work across the board?
> For the long term I'd like to request the addition of a new API, similar to
> Drupal's "Butler" project, which figures out a context from the site config
> and current page request, and can generate correct links to pages & files.
> Plugins like WP Subdomains can hook into this API and change the rules it
> uses to build URLs. I haven't thought out the details yet, but WP could
> really use it.
> Any help would be appreciated. I'm spending too much time tracking down
> little compatibility issues and it's keeping me from making further
> improvements to this plugin or even tackling other WordPress projects.
> Thanks,
> Dave
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