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<?php |
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/** |
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* Autoptimize SpeedUp; minify & cache each JS/ CSS separately |
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* new in Autoptimize 2.2 |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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class autoptimizeSpeedupper |
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{ |
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public function __construct() |
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{ |
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$this->add_hooks(); |
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} |
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|
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public function add_hooks() |
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{ |
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if ( apply_filters( 'autoptimize_js_do_minify', true ) ) { |
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add_filter( 'autoptimize_js_individual_script', array( $this, 'js_snippetcacher' ), 10, 2 ); |
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add_filter( 'autoptimize_js_after_minify', array( $this, 'js_cleanup' ), 10, 1 ); |
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} |
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if ( apply_filters( 'autoptimize_css_do_minify', true ) ) { |
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add_filter( 'autoptimize_css_individual_style', array( $this, 'css_snippetcacher' ), 10, 2 ); |
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add_filter( 'autoptimize_css_after_minify', array( $this, 'css_cleanup' ), 10, 1 ); |
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} |
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} |
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|
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public function js_snippetcacher( $jsin, $jsfilename ) |
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{ |
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$md5hash = 'snippet_' . md5( $jsin ); |
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$ccheck = new autoptimizeCache( $md5hash, 'js' ); |
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if ( $ccheck->check() ) { |
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$scriptsrc = $ccheck->retrieve(); |
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} else { |
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if ( false === ( strpos( $jsfilename, 'min.js' ) ) && ( str_replace( apply_filters( 'autoptimize_filter_js_consider_minified', false ), '', $jsfilename ) === $jsfilename ) ) { |
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$tmp_jscode = trim( JSMin::minify( $jsin ) ); |
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if ( ! empty( $tmp_jscode ) ) { |
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$scriptsrc = $tmp_jscode; |
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unset( $tmp_jscode ); |
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} else { |
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$scriptsrc = $jsin; |
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} |
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} else { |
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// Removing comments, linebreaks and stuff! |
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$scriptsrc = preg_replace( '#^\s*\/\/.*$#Um', '', $jsin ); |
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$scriptsrc = preg_replace( '#^\s*\/\*[^!].*\*\/\s?#Us', '', $scriptsrc ); |
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$scriptsrc = preg_replace( "#(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+#", "\n", $scriptsrc ); |
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} |
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|
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$last_char = substr( $scriptsrc, -1, 1 ); |
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if ( ';' !== $last_char && '}' !== $last_char ) { |
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$scriptsrc .= ';'; |
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} |
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|
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if ( ! empty( $jsfilename ) && str_replace( apply_filters( 'autoptimize_filter_js_speedup_cache', false ), '', $jsfilename ) === $jsfilename ) { |
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// Don't cache inline CSS or if filter says no! |
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$ccheck->cache( $scriptsrc, 'text/javascript' ); |
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} |
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} |
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unset( $ccheck ); |
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|
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return $scriptsrc; |
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} |
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|
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public function css_snippetcacher( $cssin, $cssfilename ) |
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{ |
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$md5hash = 'snippet_' . md5( $cssin ); |
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$ccheck = new autoptimizeCache( $md5hash, 'css' ); |
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if ( $ccheck->check() ) { |
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$stylesrc = $ccheck->retrieve(); |
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} else { |
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if ( ( false === strpos( $cssfilename, 'min.css' ) ) && ( str_replace( apply_filters( 'autoptimize_filter_css_consider_minified', false ), '', $cssfilename ) === $cssfilename ) ) { |
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$cssmin = new autoptimizeCSSmin(); |
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$tmp_code = trim( $cssmin->run( $cssin ) ); |
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|
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if ( ! empty( $tmp_code ) ) { |
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$stylesrc = $tmp_code; |
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unset( $tmp_code ); |
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} else { |
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$stylesrc = $cssin; |
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} |
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} else { |
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// .min.css -> no heavy-lifting, just some cleanup! |
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$stylesrc = preg_replace( '#^\s*\/\*[^!].*\*\/\s?#Us', '', $cssin ); |
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$stylesrc = preg_replace( "#(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+#", "\n", $stylesrc ); |
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$stylesrc = autoptimizeStyles::fixurls( $cssfilename, $stylesrc ); |
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} |
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if ( ! empty( $cssfilename ) && ( str_replace( apply_filters( 'autoptimize_filter_css_speedup_cache', false ), '', $cssfilename ) === $cssfilename ) ) { |
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// Only caching CSS if it's not inline and is allowed by filter! |
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$ccheck->cache( $stylesrc, 'text/css' ); |
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} |
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} |
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unset( $ccheck ); |
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|
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return $stylesrc; |
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} |
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|
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public function css_cleanup( $cssin ) |
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{ |
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// Speedupper results in aggregated CSS not being minified, so the filestart-marker AO adds when aggregating needs to be removed. |
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return trim( str_replace( array( '/*FILESTART*/', '/*FILESTART2*/' ), '', $cssin ) ); |
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} |
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|
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public function js_cleanup( $jsin ) |
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{ |
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return trim( $jsin ); |
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} |
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} |
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|
