X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/849f15aeed7a5e39314057bdc0064d8edd60dd7d..8d3bb1a5dcfdea9857d3c88c3751f09593e34dc8:/wp-includes/class.wp-scripts.php diff --git a/wp-includes/class.wp-scripts.php b/wp-includes/class.wp-scripts.php index fbb8b220..81634ece 100644 --- a/wp-includes/class.wp-scripts.php +++ b/wp-includes/class.wp-scripts.php @@ -1,40 +1,156 @@ init(); add_action( 'init', array( $this, 'init' ), 0 ); } + /** + * Initialize the class. + * + * @since 3.4.0 + * @access public + */ public function init() { /** * Fires when the WP_Scripts instance is initialized. @@ -51,6 +167,10 @@ class WP_Scripts extends WP_Dependencies { * * Prints the scripts passed to it or the print queue. Also prints all necessary dependencies. * + * @since 2.1.0 + * @since 2.8.0 Added the `$group` parameter. + * @access public + * * @param mixed $handles Optional. Scripts to be printed. (void) prints queue, (string) prints * that script, (array of strings) prints those scripts. Default false. * @param int $group Optional. If scripts were queued in groups prints this group number. @@ -61,12 +181,37 @@ class WP_Scripts extends WP_Dependencies { return $this->do_items( $handles, $group ); } - // Deprecated since 3.3, see print_extra_script() + /** + * Prints extra scripts of a registered script. + * + * @since 2.1.0 + * @since 2.8.0 Added the `$echo` parameter. + * @deprecated 3.3.0 + * @access public + * + * @see print_extra_script() + * + * @param string $handle The script's registered handle. + * @param bool $echo Optional. Whether to echo the extra script instead of just returning it. + * Default true. + * @return bool|string|void Void if no data exists, extra scripts if `$echo` is true, true otherwise. + */ public function print_scripts_l10n( $handle, $echo = true ) { - _deprecated_function( __FUNCTION__, '3.3', 'print_extra_script()' ); + _deprecated_function( __FUNCTION__, '3.3.0', 'print_extra_script()' ); return $this->print_extra_script( $handle, $echo ); } + /** + * Prints extra scripts of a registered script. + * + * @since 3.3.0 + * @access public + * + * @param string $handle The script's registered handle. + * @param bool $echo Optional. Whether to echo the extra script instead of just returning it. + * Default true. + * @return bool|string|void Void if no data exists, extra scripts if `$echo` is true, true otherwise. + */ public function print_extra_script( $handle, $echo = true ) { if ( !$output = $this->get_data( $handle, 'data' ) ) return; @@ -83,6 +228,19 @@ class WP_Scripts extends WP_Dependencies { return true; } + /** + * Processes a script dependency. + * + * @since 2.6.0 + * @since 2.8.0 Added the `$group` parameter. + * @access public + * + * @see WP_Dependencies::do_item() + * + * @param string $handle The script's registered handle. + * @param int|false $group Optional. Group level: (int) level, (false) no groups. Default false. + * @return bool True on success, false on failure. + */ public function do_item( $handle, $group = false ) { if ( !parent::do_item($handle) ) return false; @@ -95,19 +253,40 @@ class WP_Scripts extends WP_Dependencies { if ( false === $group && in_array($handle, $this->in_footer, true) ) $this->in_footer = array_diff( $this->in_footer, (array) $handle ); - if ( null === $this->registered[$handle]->ver ) + $obj = $this->registered[$handle]; + + if ( null === $obj->ver ) { $ver = ''; - else - $ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version; + } else { + $ver = $obj->ver ? $obj->ver : $this->default_version; + } if ( isset($this->args[$handle]) ) $ver = $ver ? $ver . '&' . $this->args[$handle] : $this->args[$handle]; - $src = $this->registered[$handle]->src; + $src = $obj->src; + $cond_before = $cond_after = ''; + $conditional = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : ''; + + if ( $conditional ) { + $cond_before = "\n"; + } + + $before_handle = $this->print_inline_script( $handle, 'before', false ); + $after_handle = $this->print_inline_script( $handle, 'after', false ); + + if ( $before_handle ) { + $before_handle = sprintf( "\n", $before_handle ); + } + + if ( $after_handle ) { + $after_handle = sprintf( "\n", $after_handle ); + } if ( $this->do_concat ) { /** - * Filter the script loader source. + * Filters the script loader source. * * @since 2.2.0 * @@ -115,7 +294,14 @@ class WP_Scripts extends WP_Dependencies { * @param string $handle Script handle. */ $srce = apply_filters( 'script_loader_src', $src, $handle ); - if ( $this->in_default_dir($srce) ) { + + if ( $this->in_default_dir( $srce ) && ( $before_handle || $after_handle ) ) { + $this->do_concat = false; + + // Have to print the so-far concatenated scripts right away to maintain the right order. + _print_scripts(); + $this->reset(); + } elseif ( $this->in_default_dir( $srce ) && ! $conditional ) { $this->print_code .= $this->print_extra_script( $handle, false ); $this->concat .= "$handle,"; $this->concat_version .= "$handle$ver"; @@ -126,13 +312,29 @@ class WP_Scripts extends WP_Dependencies { } } + $has_conditional_data = $conditional && $this->get_data( $handle, 'data' ); + + if ( $has_conditional_data ) { + echo $cond_before; + } + $this->print_extra_script( $handle ); - if ( !preg_match('|^(https?:)?//|', $src) && ! ( $this->content_url && 0 === strpos($src, $this->content_url) ) ) { + + if ( $has_conditional_data ) { + echo $cond_after; + } + + // A single item may alias a set of items, by having dependencies, but no source. + if ( ! $obj->src ) { + return true; + } + + if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && 0 === strpos( $src, $this->content_url ) ) ) { $src = $this->base_url . $src; } - if ( !empty($ver) ) - $src = add_query_arg('ver', $ver, $src); + if ( ! empty( $ver ) ) + $src = add_query_arg( 'ver', $ver, $src ); /** This filter is documented in wp-includes/class.wp-scripts.php */ $src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) ); @@ -140,10 +342,10 @@ class WP_Scripts extends WP_Dependencies { if ( ! $src ) return true; - $tag = "\n"; + $tag = "{$cond_before}{$before_handle}\n{$after_handle}{$cond_after}"; - /** - * Filter the HTML script tag of an enqueued script. + /** + * Filters the HTML script tag of an enqueued script. * * @since 4.1.0 * @@ -163,9 +365,71 @@ class WP_Scripts extends WP_Dependencies { } /** - * Localizes a script + * Adds extra code to a registered script. + * + * @since 4.5.0 + * @access public + * + * @param string $handle Name of the script to add the inline script to. Must be lowercase. + * @param string $data String containing the javascript to be added. + * @param string $position Optional. Whether to add the inline script before the handle + * or after. Default 'after'. + * @return bool True on success, false on failure. + */ + public function add_inline_script( $handle, $data, $position = 'after' ) { + if ( ! $data ) { + return false; + } + + if ( 'after' !== $position ) { + $position = 'before'; + } + + $script = (array) $this->get_data( $handle, $position ); + $script[] = $data; + + return $this->add_data( $handle, $position, $script ); + } + + /** + * Prints inline scripts registered for a specific handle. + * + * @since 4.5.0 + * @access public * - * Localizes only if the script has already been added + * @param string $handle Name of the script to add the inline script to. Must be lowercase. + * @param string $position Optional. Whether to add the inline script before the handle + * or after. Default 'after'. + * @param bool $echo Optional. Whether to echo the script instead of just returning it. + * Default true. + * @return string|false Script on success, false otherwise. + */ + public function print_inline_script( $handle, $position = 'after', $echo = true ) { + $output = $this->get_data( $handle, $position ); + + if ( empty( $output ) ) { + return false; + } + + $output = trim( implode( "\n", $output ), "\n" ); + + if ( $echo ) { + printf( "\n", $output ); + } + + return $output; + } + + /** + * Localizes a script, only if the script has already been added. + * + * @since 2.1.0 + * @access public + * + * @param string $handle + * @param string $object_name + * @param array $l10n + * @return bool */ public function localize( $handle, $object_name, $l10n ) { if ( $handle === 'jquery' ) @@ -196,9 +460,21 @@ class WP_Scripts extends WP_Dependencies { return $this->add_data( $handle, 'data', $script ); } + /** + * Sets handle group. + * + * @since 2.8.0 + * @access public + * + * @see WP_Dependencies::set_group() + * + * @param string $handle Name of the item. Should be unique. + * @param bool $recursion Internal flag that calling function was called recursively. + * @param int|false $group Optional. Group level: (int) level, (false) no groups. Default false. + * @return bool Not already in the group or a lower group + */ public function set_group( $handle, $recursion, $group = false ) { - - if ( $this->registered[$handle]->args === 1 ) + if ( isset( $this->registered[$handle]->args ) && $this->registered[$handle]->args === 1 ) $grp = 1; else $grp = (int) $this->get_data( $handle, 'group' ); @@ -209,11 +485,24 @@ class WP_Scripts extends WP_Dependencies { return parent::set_group( $handle, $recursion, $grp ); } + /** + * Determines script dependencies. + * + * @since 2.1.0 + * @access public + * + * @see WP_Dependencies::all_deps() + * + * @param mixed $handles Item handle and argument (string) or item handles and arguments (array of strings). + * @param bool $recursion Internal flag that function is calling itself. + * @param int|false $group Optional. Group level: (int) level, (false) no groups. Default false. + * @return bool True on success, false on failure. + */ public function all_deps( $handles, $recursion = false, $group = false ) { - $r = parent::all_deps( $handles, $recursion ); + $r = parent::all_deps( $handles, $recursion, $group ); if ( ! $recursion ) { /** - * Filter the list of script dependencies left to print. + * Filters the list of script dependencies left to print. * * @since 2.3.0 * @@ -224,16 +513,45 @@ class WP_Scripts extends WP_Dependencies { return $r; } + /** + * Processes items and dependencies for the head group. + * + * @since 2.8.0 + * @access public + * + * @see WP_Dependencies::do_items() + * + * @return array Handles of items that have been processed. + */ public function do_head_items() { $this->do_items(false, 0); return $this->done; } + /** + * Processes items and dependencies for the footer group. + * + * @since 2.8.0 + * @access public + * + * @see WP_Dependencies::do_items() + * + * @return array Handles of items that have been processed. + */ public function do_footer_items() { $this->do_items(false, 1); return $this->done; } + /** + * Whether a handle's source is in a default directory. + * + * @since 2.8.0 + * @access public + * + * @param string $src The source of the enqueued script. + * @return bool True if found, false if not. + */ public function in_default_dir( $src ) { if ( ! $this->default_dirs ) { return true; @@ -251,6 +569,12 @@ class WP_Scripts extends WP_Dependencies { return false; } + /** + * Resets class properties. + * + * @since 2.8.0 + * @access public + */ public function reset() { $this->do_concat = false; $this->print_code = '';