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Simple, quick way to concatenate, minify, and version static files in a Wordpress theme
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| # Filename-based cache busting | |
| # taken from https://github.com/h5bp/html5-boilerplate/ | |
| <IfModule mod_rewrite.c> | |
| RewriteCond %{REQUEST_FILENAME} !-f | |
| RewriteCond %{REQUEST_FILENAME} !-d | |
| RewriteRule ^(.+)\.(\d+)\.(js|css|png|jpg|gif)$ $1.$3 [L] | |
| </IfModule> |
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| #!/bin/sh | |
| # concatenate and minify the CSS | |
| # requires: Sass (Ruby) | |
| END_CSS="style.css" | |
| END_MIN_CSS="style.min.css" | |
| SASS_COMMAND="sass --load-path scss --style" | |
| $SASS_COMMAND expanded scss/style.scss:$END_CSS | |
| $SASS_COMMAND compressed scss/style.scss:$END_MIN_CSS | |
| echo "SCSS-to-CSS build compilation successful" | |
| # concatenate all JS files | |
| # explicitly name and order the files if needed | |
| cat js/*.js > js/site.js | |
| echo "JS concatenation successful" | |
| # minify the combined JS | |
| # requires: UglifyJS (Node) | |
| uglifyjs --output js/site.min.js js/site.js | |
| echo "JS uglification successful" | |
| exit 0 |
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| <?php | |
| /* | |
| * Check environment | |
| */ | |
| function is_prod() { | |
| if ( home_url() == '<production-url>' ) { | |
| return true; | |
| } | |
| else { | |
| return false; | |
| } | |
| } | |
| /* | |
| * Basic file versioning | |
| */ | |
| function version($filename) { | |
| // get the absolute path to the file | |
| $pathToFile = TEMPLATEPATH . '/' . $filename; | |
| //check if the file exists | |
| if (file_exists($pathToFile)) { | |
| $needle = '.'; | |
| // return the versioned filename | |
| $versioned = '.' . filemtime($pathToFile) . '.'; | |
| // the position of the last instance of '.' | |
| $pos = strrpos($filename, $needle); | |
| if ($pos !== false) { | |
| // replace and return | |
| return '/' . substr_replace($filename, $versioned, $pos, strlen($needle)); | |
| } | |
| } | |
| else { | |
| // return the original filename | |
| return '/' . $filename; | |
| } | |
| } | |
| ?> |
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| <?php | |
| // other code | |
| // only reference the minified file in production | |
| // version which ever file is referenced | |
| is_prod() ? $cssfile = 'style.min.css' : $cssfile = 'style.css'; | |
| echo '<link rel="stylesheet" href="' . get_bloginfo('stylesheet_directory') . version($cssfile) . '">'; | |
| ?> |
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