273 lines
7.9 KiB
PHP
273 lines
7.9 KiB
PHP
<?php
|
|
/*
|
|
Plugin Name: JS Concat
|
|
Plugin URI: http://wp-plugins.org/#
|
|
Description: Concatenates JS
|
|
Author: Automattic
|
|
Version: 0.01
|
|
Author URI: http://automattic.com/
|
|
*/
|
|
|
|
require_once( dirname( __FILE__ ) . '/concat-utils.php' );
|
|
|
|
if ( ! defined( 'ALLOW_GZIP_COMPRESSION' ) )
|
|
define( 'ALLOW_GZIP_COMPRESSION', true );
|
|
|
|
class WPcom_JS_Concat extends WP_Scripts {
|
|
private $old_scripts;
|
|
public $allow_gzip_compression;
|
|
|
|
function __construct( $scripts ) {
|
|
if ( empty( $scripts ) || ! ( $scripts instanceof WP_Scripts ) ) {
|
|
$this->old_scripts = new WP_Scripts();
|
|
} else {
|
|
$this->old_scripts = $scripts;
|
|
}
|
|
|
|
// Unset all the object properties except our private copy of the scripts object.
|
|
// We have to unset everything so that the overload methods talk to $this->old_scripts->whatever
|
|
// instead of $this->whatever.
|
|
foreach ( array_keys( get_object_vars( $this ) ) as $key ) {
|
|
if ( 'old_scripts' === $key ) {
|
|
continue;
|
|
}
|
|
unset( $this->$key );
|
|
}
|
|
}
|
|
|
|
protected function has_inline_content( $handle ) {
|
|
$before_output = $this->get_data( $handle, 'before' );
|
|
if ( ! empty( $before_output ) ) {
|
|
return true;
|
|
}
|
|
|
|
$after_output = $this->get_data( $handle, 'after' );
|
|
if ( ! empty( $after_output ) ) {
|
|
return true;
|
|
}
|
|
|
|
// JavaScript translations
|
|
$has_translations = ! empty( $this->registered[ $handle ]->textdomain );
|
|
if ( $has_translations ) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function do_items( $handles = false, $group = false ) {
|
|
$handles = false === $handles ? $this->queue : (array) $handles;
|
|
$javascripts= array();
|
|
$siteurl = apply_filters( 'ngx_http_concat_site_url', rtrim( network_home_url(), '/' ) );
|
|
|
|
$this->all_deps( $handles );
|
|
$level = 0;
|
|
|
|
foreach( $this->to_do as $key => $handle ) {
|
|
if ( in_array( $handle, $this->done ) || !isset( $this->registered[$handle] ) )
|
|
continue;
|
|
|
|
if ( 0 === $group && $this->groups[$handle] > 0 ) {
|
|
$this->in_footer[] = $handle;
|
|
unset( $this->to_do[$key] );
|
|
continue;
|
|
}
|
|
|
|
if ( ! $this->registered[$handle]->src ) { // Defines a group.
|
|
if ( $this->do_item( $handle, $group ) ) {
|
|
$this->done[] = $handle;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
if ( false === $group && in_array( $handle, $this->in_footer, true ) )
|
|
$this->in_footer = array_diff( $this->in_footer, (array) $handle );
|
|
|
|
$obj = $this->registered[$handle];
|
|
$js_url = $obj->src;
|
|
$js_url_parsed = parse_url( $js_url );
|
|
$extra = $obj->extra;
|
|
|
|
// Don't concat by default
|
|
$do_concat = false;
|
|
|
|
// Only try to concat static js files
|
|
if ( false !== strpos( $js_url_parsed['path'], '.js' ) )
|
|
$do_concat = true;
|
|
|
|
// Don't try to concat externally hosted scripts
|
|
$is_internal_url = WPCOM_Concat_Utils::is_internal_url( $js_url, $siteurl );
|
|
if ( ! $is_internal_url ) {
|
|
$do_concat = false;
|
|
}
|
|
|
|
// Concat and canonicalize the paths only for
|
|
// existing scripts that aren't outside ABSPATH
|
|
$js_realpath = WPCOM_Concat_Utils::realpath( $js_url, $siteurl );
|
|
if ( ! $js_realpath || 0 !== strpos( $js_realpath, ABSPATH ) )
|
|
$do_concat = false;
|
|
else
|
|
$js_url_parsed['path'] = substr( $js_realpath, strlen( ABSPATH ) - 1 );
|
|
|
|
if ( $this->has_inline_content( $handle ) ) {
|
|
$do_concat = false;
|
|
}
|
|
|
|
// Skip core scripts that use Strict Mode
|
|
if ( 'react' === $handle || 'react-dom' === $handle ) {
|
|
$do_concat = false;
|
|
}
|
|
|
|
// Allow plugins to disable concatenation of certain scripts.
|
|
$do_concat = apply_filters( 'js_do_concat', $do_concat, $handle );
|
|
|
|
if ( true === $do_concat ) {
|
|
if ( !isset( $javascripts[$level] ) )
|
|
$javascripts[$level]['type'] = 'concat';
|
|
|
|
$javascripts[$level]['paths'][] = $js_url_parsed['path'];
|
|
$javascripts[$level]['handles'][] = $handle;
|
|
|
|
} else {
|
|
$level++;
|
|
$javascripts[$level]['type'] = 'do_item';
|
|
$javascripts[$level]['handle'] = $handle;
|
|
$level++;
|
|
}
|
|
unset( $this->to_do[$key] );
|
|
}
|
|
|
|
if ( empty( $javascripts ) )
|
|
return $this->done;
|
|
|
|
foreach ( $javascripts as $js_array ) {
|
|
if ( 'do_item' == $js_array['type'] ) {
|
|
if ( $this->do_item( $js_array['handle'], $group ) )
|
|
$this->done[] = $js_array['handle'];
|
|
} else if ( 'concat' == $js_array['type'] ) {
|
|
array_map( array( $this, 'print_extra_script' ), $js_array['handles'] );
|
|
|
|
if ( isset( $js_array['paths'] ) && count( $js_array['paths'] ) > 1) {
|
|
$paths = array_map( function( $url ) { return ABSPATH . $url; }, $js_array['paths'] );
|
|
$mtime = max( array_map( 'filemtime', $paths ) );
|
|
$path_str = implode( ',', $js_array['paths'] ) . "?m={$mtime}j";
|
|
|
|
if ( $this->allow_gzip_compression ) {
|
|
$path_64 = base64_encode( gzcompress( $path_str ) );
|
|
if ( strlen( $path_str ) > ( strlen( $path_64 ) + 1 ) )
|
|
$path_str = '-' . $path_64;
|
|
}
|
|
|
|
$href = $siteurl . "/_static/??" . $path_str;
|
|
} elseif ( isset( $js_array['paths'] ) && is_array( $js_array['paths'] ) ) {
|
|
$href = $this->cache_bust_mtime( $siteurl . $js_array['paths'][0], $siteurl );
|
|
}
|
|
|
|
$this->done = array_merge( $this->done, $js_array['handles'] );
|
|
|
|
// Print before/after scripts from wp_inline_scripts() and concatenated script tag
|
|
if ( isset( $js_array['extras']['before'] ) ) {
|
|
foreach ( $js_array['extras']['before'] as $inline_before ) {
|
|
echo $inline_before;
|
|
}
|
|
}
|
|
|
|
// Allowed attributes taken from: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script
|
|
$allowed_attributes = array(
|
|
'async',
|
|
'defer',
|
|
'nomodule',
|
|
'crossorigin',
|
|
'integrity',
|
|
'type',
|
|
'nonce',
|
|
'referrerpolicy'
|
|
);
|
|
$attr_string = '';
|
|
/**
|
|
* Allow adding extra arguments for the script tag.
|
|
* Either associative array or regular array.
|
|
* E.g.
|
|
* [ 'async', 'defer', 'nonce' => '$random_generated_number' ]
|
|
*
|
|
* @param string $href URL for the script.
|
|
* @param array $js_array array that contains the type, path, and handle for the scripts being processed.
|
|
* @param WPcom_JS_Concat this instance of WPcom_JS_Concat.
|
|
*/
|
|
foreach ( (array) apply_filters( 'js_concat_script_attributes', [], $href, $js_array, $this ) as $k => $v ) {
|
|
if ( is_int( $k ) && in_array( $v, $allowed_attributes ) ) {
|
|
$attr_string .= sprintf( ' %s', esc_attr( $v ) );
|
|
} else if ( array_search( $k, $allowed_attributes ) ){
|
|
$attr_string .= sprintf( ' %s="%s"', sanitize_key( is_int( $k ) ? $v : $k ), esc_attr( $v ) );
|
|
}
|
|
}
|
|
if ( isset( $href ) ) {
|
|
$script_html = sprintf( '<script type="text/javascript" src="%s" %s></script>', $href, $attr_string );
|
|
echo apply_filters( "ngx_http_concat_script_loader_tag", $script_html, $href, $attr_string );
|
|
}
|
|
if ( isset( $js_array['extras']['after'] ) ) {
|
|
foreach ( $js_array['extras']['after'] as $inline_after ) {
|
|
echo $inline_after;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
do_action( 'js_concat_did_items', $javascripts );
|
|
return $this->done;
|
|
}
|
|
|
|
function cache_bust_mtime( $url, $siteurl ) {
|
|
if ( strpos( $url, '?m=' ) )
|
|
return $url;
|
|
|
|
$parts = parse_url( $url );
|
|
if ( ! isset( $parts['path'] ) || empty( $parts['path'] ) )
|
|
return $url;
|
|
|
|
$file = WPCOM_Concat_Utils::realpath( $url, $siteurl );
|
|
|
|
$mtime = false;
|
|
if ( file_exists( $file ) )
|
|
$mtime = filemtime( $file );
|
|
|
|
if ( ! $mtime )
|
|
return $url;
|
|
|
|
if ( false === strpos( $url, '?' ) ) {
|
|
$q = '';
|
|
} else {
|
|
list( $url, $q ) = explode( '?', $url, 2 );
|
|
if ( strlen( $q ) )
|
|
$q = '&' . $q;
|
|
}
|
|
|
|
return "$url?m={$mtime}g{$q}";
|
|
}
|
|
|
|
function __isset( $key ) {
|
|
return isset( $this->old_scripts->$key );
|
|
}
|
|
|
|
function __unset( $key ) {
|
|
unset( $this->old_scripts->$key );
|
|
}
|
|
|
|
function &__get( $key ) {
|
|
return $this->old_scripts->$key;
|
|
}
|
|
|
|
function __set( $key, $value ) {
|
|
$this->old_scripts->$key = $value;
|
|
}
|
|
}
|
|
|
|
function js_concat_init() {
|
|
global $wp_scripts;
|
|
|
|
$wp_scripts = new WPcom_JS_Concat( $wp_scripts );
|
|
$wp_scripts->allow_gzip_compression = ALLOW_GZIP_COMPRESSION;
|
|
}
|
|
|
|
add_action( 'init', 'js_concat_init' );
|
