caleb
8/28/2016 - 12:12 AM
class.enhance-wp-enqueues.php
<?php
new enhance_wp_enqueues;
class enhance_wp_enqueues {
const VERSION = '0.0.2.3';
function __construct() {
add_filter( 'style_loader_tag', array( __CLASS__, 'filter_style_loader_tag' ), 9999999, 4 );
if ( !defined( 'SCRIPT_DEBUG' ) || !SCRIPT_DEBUG ) {
add_filter( 'script_loader_src', array( __CLASS__, 'filter_script_loader_src' ), 10, 2 );
add_filter( 'print_scripts_array', array( __CLASS__, 'filter_print_scripts_array' ) );
}
add_filter( 'script_loader_tag', array( __CLASS__, 'filter_script_loader_tag' ), 9999999, 3 );
add_action( 'wp_print_footer_scripts', array( __CLASS__, 'action_wp_print_footer_scripts' ) );
}
static function action_wp_print_footer_scripts() {
if ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) {
$after_scripts = apply_filters( 'enhance-wp-enqueues/after-page-load/after-scripts', '' );
if ( empty( $after_scripts ) )
return;
?>
<script id="everythingLoaded" type="text/javascript">
var everythingLoaded = setInterval(function() {
if (/loaded|complete/.test(document.readyState)) {
clearInterval(everythingLoaded);
<?php echo $after_scripts ?>
}
});
</script>
<?php
return;
}
if (
!isset( wp_scripts()->after_page_load )
|| !is_array( wp_scripts()->after_page_load )
|| !count( wp_scripts()->after_page_load )
)
return;
?>
<script id="everythingLoaded" type="text/javascript">
var everythingLoaded = setInterval(function() {
if (/loaded|complete/.test(document.readyState)) {
clearInterval(everythingLoaded);
(function(d) {
var js = d.getElementsByTagName('script')[0];
<?php
foreach ( array_keys( wp_scripts()->after_page_load ) as $handle ) {
?>
if (!d.getElementById("<?php echo esc_js( $handle ) ?>-js")) {
var load_js = d.createElement('script');
load_js.id = "<?php echo esc_js( $handle ) ?>-js";
load_js.src = "<?php echo wp_scripts()->registered[$handle]->src ?>";
js.parentNode.insertBefore(load_js, js);
}
<?php
wp_scripts()->done[] = $handle;
}
?>
}(document));
<?php echo apply_filters( 'enhance-wp-enqueues/after-page-load/after-scripts', '' ); ?>
}
},1000);
</script>
<?php
}
/*
######## #### ## ######## ######## ######## ######
## ## ## ## ## ## ## ## ##
## ## ## ## ## ## ## ##
###### ## ## ## ###### ######## ######
## ## ## ## ## ## ## ##
## ## ## ## ## ## ## ## ##
## #### ######## ## ######## ## ## ######
*/
static function filter_style_loader_tag( $tag, $handle, $href, $media = 'all' ) {
$obj = wp_styles()->registered[$handle];
if (
( !defined( 'WP_DEBUG' ) || !WP_DEBUG )
&& false !== wp_styles()->get_data( $handle, 'inline' )
) {
$print = self::print_inline_asset( $obj, $handle, $media );
if ( false !== $print )
return $print;
}
if ( false !== wp_styles()->get_data( $handle, 'noscript' ) )
$tag = '<noscript>' . $tag . '</noscript>' . "\n";
return $tag;
}
static function filter_script_loader_src( $src, $handle ) {
if ( false !== wp_scripts()->get_data( $handle, 'after-load' ) ) {
if ( !isset( wp_scripts()->after_page_load ) )
wp_scripts()->after_page_load = array();
wp_scripts()->after_page_load[$handle] = 1;
return false;
}
return $src;
}
static function filter_print_scripts_array( $to_do ) {
if ( is_array( $to_do ) && count( $to_do ) )
foreach ( $to_do as $i => $handle )
if ( false !== wp_scripts()->get_data( $handle, 'after-load' ) ) {
if ( !isset( wp_scripts()->after_page_load ) )
wp_scripts()->after_page_load = array();
wp_scripts()->after_page_load[$handle] = 1;
unset( $to_do[$i] );
}
return $to_do;
}
static function filter_script_loader_tag( $tag, $handle, $src ) {
$obj = wp_scripts()->registered[$handle];
if ( false !== wp_scripts()->get_data( $handle, 'inline' ) ) {
$print = self::print_inline_asset( $obj, $handle, $media );
if ( false !== $print )
return $print;
}
if ( false !== wp_scripts()->get_data( $handle, 'after-load' ) )
$tag .= '<!-- set to load after page load -->';
if ( false !== wp_scripts()->get_data( $handle, 'async' ) )
$tag = str_replace( '<script ', '<script async ', $tag );
else if ( false !== wp_scripts()->get_data( $handle, 'defer' ) )
$tag = str_replace( '<script ', '<script defer ', $tag );
return $tag;
}
/*
######## ## ## ## ## ###### ######## #### ####### ## ## ######
## ## ## ### ## ## ## ## ## ## ## ### ## ## ##
## ## ## #### ## ## ## ## ## ## #### ## ##
###### ## ## ## ## ## ## ## ## ## ## ## ## ## ######
## ## ## ## #### ## ## ## ## ## ## #### ##
## ## ## ## ### ## ## ## ## ## ## ## ### ## ##
## ####### ## ## ###### ## #### ####### ## ## ######
*/
static function print_inline_asset( $obj, $handle, $media = 'all' ) {
$obj->path = trailingslashit( get_stylesheet_directory() ) . str_replace( trailingslashit( get_stylesheet_directory_uri() ), '', $obj->src );
if ( !file_exists( $obj->path ) || !is_file( $obj->path ) )
return false;
$contents = file_get_contents( $obj->path );
$rtl = ( 'rtl' === wp_styles()->text_direction && isset($obj->extra['rtl']) && $obj->extra['rtl'] );
if ( 'all' !== $media )
$contents = '@media ' . $media . ' { ' . $contents . ' } ';
return ( isset( $obj->extra['noscript'] ) ? '<noscript>' : '' ) .
'<style id="' . esc_attr( $handle ) . ( $rtl ? '-rtl' : '' ) . '-css" type="text/css">' .
( !defined( 'COMPRESS_CSS' ) || COMPRESS_CSS
? self::minify_css( $contents )
: $contents
) .
'</style>' .
( isset( $obj->extra['noscript'] ) ? '</noscript>' : '' ) . "\n";
}
static function minify_css( $css ) {
// remove comments
$css = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $css);
// backup values within single or double quotes
preg_match_all('/(\'[^\']*?\'|"[^"]*?")/ims', $css, $hit, PREG_PATTERN_ORDER);
for ($i=0; $i < count($hit[1]); $i++) {
$css = str_replace($hit[1][$i], '##########' . $i . '##########', $css);
}
// remove trailing semicolon of selector's last property
$css = preg_replace('/;[\s\r\n\t]*?}[\s\r\n\t]*/ims', "}\r\n", $css);
// remove space between empty definition and next definition
$css = preg_replace('/}[\s\r\n\t]*/ims', "}\r\n", $css);
// remove space around plus sign
$css = preg_replace('/[\s\r\n\t]*\+[\s\r\n\t]*?([^\s\r\n\t])/ims', '+$1', $css);
// remove any whitespace between semicolon and property-name
$css = preg_replace('/;[\s\r\n\t]*?([\r\n]?[^\s\r\n\t])/ims', ';$1', $css);
// remove any whitespace surrounding property-colon
$css = preg_replace('/[\s\r\n\t]*:[\s\r\n\t]*?([^\s\r\n\t])/ims', ':$1', $css);
// remove any whitespace surrounding selector-comma
$css = preg_replace('/[\s\r\n\t]*,[\s\r\n\t]*?([^\s\r\n\t])/ims', ',$1', $css);
// remove any whitespace surrounding opening parenthesis
$css = preg_replace('/[\s\r\n\t]*{[\s\r\n\t]*?([^\s\r\n\t])/ims', '{$1', $css);
// remove any whitespace between numbers and units
$css = preg_replace('/([\d\.]+)[\s\r\n\t]+(px|em|pt|%)/ims', '$1$2', $css);
// shorten zero-values
$css = preg_replace('/([^\d\.]0)(px|em|pt)/ims', '$1', $css);
// remove tabs
$css = str_replace("\t",' ',$css);
// constrain multiple whitespaces
$css = preg_replace('/\p{Zs}+/ims',' ', $css);
// remove newlines
$css = str_replace(array("\r\n", "\r", "\n"), '', $css);
// shorten #aabbcc to #abc
$css = preg_replace("/#([0-9a-fA-F])\\1([0-9a-fA-F])\\2([0-9a-fA-F])\\3/", "#$1$2$3", $css);
// Restore backupped values within single or double quotes
for ($i=0; $i < count($hit[1]); $i++) {
$css = str_replace('##########' . $i . '##########', $hit[1][$i], $css);
}
return $css;
}
}
?>