* @subpackage BackPress
*/
+/**
+ * Initialize $wp_scripts if it has not been set.
+ *
+ * @global WP_Scripts $wp_scripts
+ *
+ * @since 4.2.0
+ *
+ * @return WP_Scripts WP_Scripts instance.
+ */
+function wp_scripts() {
+ global $wp_scripts;
+ if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
+ $wp_scripts = new WP_Scripts();
+ }
+ return $wp_scripts;
+}
+
+/**
+ * Helper function to output a _doing_it_wrong message when applicable.
+ *
+ * @ignore
+ * @since 4.2.0
+ *
+ * @param string $function Function name.
+ */
+function _wp_scripts_maybe_doing_it_wrong( $function ) {
+ if ( did_action( 'init' ) ) {
+ return;
+ }
+
+ _doing_it_wrong( $function, sprintf(
+ __( 'Scripts and styles should not be registered or enqueued until the %1$s, %2$s, or %3$s hooks.' ),
+ '<code>wp_enqueue_scripts</code>',
+ '<code>admin_enqueue_scripts</code>',
+ '<code>login_enqueue_scripts</code>'
+ ), '3.3' );
+}
+
/**
* Print scripts in document head that are in the $handles queue.
*
*
* @since 2.6.0
*
- * @param array|bool $handles Optional. Scripts to be printed. Default 'false'.
+ * @param string|bool|array $handles Optional. Scripts to be printed. Default 'false'.
* @return array On success, a processed array of WP_Dependencies items; otherwise, an empty array.
*/
function wp_print_scripts( $handles = false ) {
+ /**
+ * Fires before scripts in the $handles queue are printed.
+ *
+ * @since 2.1.0
+ */
do_action( 'wp_print_scripts' );
- if ( '' === $handles ) // for wp_head
+ if ( '' === $handles ) { // for wp_head
$handles = false;
+ }
- global $wp_scripts;
- if ( ! is_a( $wp_scripts, 'WP_Scripts' ) ) {
- if ( ! did_action( 'init' ) )
- _doing_it_wrong( __FUNCTION__, sprintf( __( 'Scripts and styles should not be registered or enqueued until the %1$s, %2$s, or %3$s hooks.' ),
- '<code>wp_enqueue_scripts</code>', '<code>admin_enqueue_scripts</code>', '<code>login_enqueue_scripts</code>' ), '3.3' );
+ _wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
- if ( !$handles )
+ global $wp_scripts;
+ if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
+ if ( ! $handles ) {
return array(); // No need to instantiate if nothing is there.
- else
- $wp_scripts = new WP_Scripts();
+ }
}
- return $wp_scripts->do_items( $handles );
+ return wp_scripts()->do_items( $handles );
}
/**
* Default 'false'. Accepts 'false' or 'true'.
*/
function wp_register_script( $handle, $src, $deps = array(), $ver = false, $in_footer = false ) {
- global $wp_scripts;
- if ( ! is_a( $wp_scripts, 'WP_Scripts' ) ) {
- if ( ! did_action( 'init' ) )
- _doing_it_wrong( __FUNCTION__, sprintf( __( 'Scripts and styles should not be registered or enqueued until the %1$s, %2$s, or %3$s hooks.' ),
- '<code>wp_enqueue_scripts</code>', '<code>admin_enqueue_scripts</code>', '<code>login_enqueue_scripts</code>' ), '3.3' );
- $wp_scripts = new WP_Scripts();
- }
+ $wp_scripts = wp_scripts();
+ _wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
$wp_scripts->add( $handle, $src, $deps, $ver );
- if ( $in_footer )
+ if ( $in_footer ) {
$wp_scripts->add_data( $handle, 'group', 1 );
+ }
}
/**
* Works only if the script has already been added.
*
* Accepts an associative array $l10n and creates a JavaScript object:
- * <code>
- * "$object_name" = {
- * key: value,
- * key: value,
- * ...
- * }
- * </code>
+ *
+ * "$object_name" = {
+ * key: value,
+ * key: value,
+ * ...
+ * }
+ *
*
* @see WP_Dependencies::localize()
- * @link http://core.trac.wordpress.org/ticket/11520
+ * @link https://core.trac.wordpress.org/ticket/11520
* @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts.
*
* @since 2.6.0
*
+ * @todo Documentation cleanup
+ *
* @param string $handle Script handle the data will be attached to.
* @param string $object_name Name for the JavaScript object. Passed directly, so it should be qualified JS variable.
* Example: '/[a-zA-Z0-9_]+/'.
*/
function wp_localize_script( $handle, $object_name, $l10n ) {
global $wp_scripts;
- if ( ! is_a( $wp_scripts, 'WP_Scripts' ) ) {
- if ( ! did_action( 'init' ) )
- _doing_it_wrong( __FUNCTION__, sprintf( __( 'Scripts and styles should not be registered or enqueued until the %1$s, %2$s, or %3$s hooks.' ),
- '<code>wp_enqueue_scripts</code>', '<code>admin_enqueue_scripts</code>', '<code>login_enqueue_scripts</code>' ), '3.3' );
-
+ if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
+ _wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
return false;
}
- return $wp_scripts->localize( $handle, $object_name, $l10n );
+ return wp_scripts()->localize( $handle, $object_name, $l10n );
}
/**
* @param string $handle Name of the script to be removed.
*/
function wp_deregister_script( $handle ) {
- global $wp_scripts;
- if ( ! is_a( $wp_scripts, 'WP_Scripts' ) ) {
- if ( ! did_action( 'init' ) )
- _doing_it_wrong( __FUNCTION__, sprintf( __( 'Scripts and styles should not be registered or enqueued until the %1$s, %2$s, or %3$s hooks.' ),
- '<code>wp_enqueue_scripts</code>', '<code>admin_enqueue_scripts</code>', '<code>login_enqueue_scripts</code>' ), '3.3' );
- $wp_scripts = new WP_Scripts();
- }
+ _wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
/**
* Do not allow accidental or negligent de-registering of critical scripts in the admin.
}
}
- $wp_scripts->remove( $handle );
+ wp_scripts()->remove( $handle );
}
/**
* @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts.
*
* @since 2.6.0
-
+ *
* @param string $handle Name of the script.
* @param string|bool $src Path to the script from the root directory of WordPress. Example: '/js/myscript.js'.
* @param array $deps An array of registered handles this script depends on. Default empty array.
* Default 'false'. Accepts 'false' or 'true'.
*/
function wp_enqueue_script( $handle, $src = false, $deps = array(), $ver = false, $in_footer = false ) {
- global $wp_scripts;
- if ( ! is_a( $wp_scripts, 'WP_Scripts' ) ) {
- if ( ! did_action( 'init' ) )
- _doing_it_wrong( __FUNCTION__, sprintf( __( 'Scripts and styles should not be registered or enqueued until the %1$s, %2$s, or %3$s hooks.' ),
- '<code>wp_enqueue_scripts</code>', '<code>admin_enqueue_scripts</code>', '<code>login_enqueue_scripts</code>' ), '3.3' );
- $wp_scripts = new WP_Scripts();
- }
+ $wp_scripts = wp_scripts();
+
+ _wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
- if ( $src ) {
- $_handle = explode('?', $handle);
- $wp_scripts->add( $_handle[0], $src, $deps, $ver );
- if ( $in_footer )
+
+ if ( $src || $in_footer ) {
+ $_handle = explode( '?', $handle );
+
+ if ( $src ) {
+ $wp_scripts->add( $_handle[0], $src, $deps, $ver );
+ }
+
+ if ( $in_footer ) {
$wp_scripts->add_data( $_handle[0], 'group', 1 );
+ }
}
+
$wp_scripts->enqueue( $handle );
}
* @param string $handle Name of the script to be removed.
*/
function wp_dequeue_script( $handle ) {
- global $wp_scripts;
- if ( ! is_a( $wp_scripts, 'WP_Scripts' ) ) {
- if ( ! did_action( 'init' ) )
- _doing_it_wrong( __FUNCTION__, sprintf( __( 'Scripts and styles should not be registered or enqueued until the %1$s, %2$s, or %3$s hooks.' ),
- '<code>wp_enqueue_scripts</code>', '<code>admin_enqueue_scripts</code>', '<code>login_enqueue_scripts</code>' ), '3.3' );
- $wp_scripts = new WP_Scripts();
- }
+ _wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
- $wp_scripts->dequeue( $handle );
+ wp_scripts()->dequeue( $handle );
}
/**
* @return bool Whether the script script is queued.
*/
function wp_script_is( $handle, $list = 'enqueued' ) {
- global $wp_scripts;
- if ( ! is_a( $wp_scripts, 'WP_Scripts' ) ) {
- if ( ! did_action( 'init' ) )
- _doing_it_wrong( __FUNCTION__, sprintf( __( 'Scripts and styles should not be registered or enqueued until the %1$s, %2$s, or %3$s hooks.' ),
- '<code>wp_enqueue_scripts</code>', '<code>admin_enqueue_scripts</code>', '<code>login_enqueue_scripts</code>' ), '3.3' );
- $wp_scripts = new WP_Scripts();
- }
+ _wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
- return (bool) $wp_scripts->query( $handle, $list );
+ return (bool) wp_scripts()->query( $handle, $list );
+}
+
+/**
+ * Add metadata to a script.
+ *
+ * Works only if the script has already been added.
+ *
+ * Possible values for $key and $value:
+ * 'conditional' string Comments for IE 6, lte IE 7, etc.
+ *
+ * @since 4.2.0
+ *
+ * @see WP_Dependency::add_data()
+ *
+ * @param string $handle Name of the script.
+ * @param string $key Name of data point for which we're storing a value.
+ * @param mixed $value String containing the data to be added.
+ * @return bool True on success, false on failure.
+ */
+function wp_script_add_data( $handle, $key, $value ){
+ global $wp_scripts;
+ return $wp_scripts->add_data( $handle, $key, $value );
}
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff