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filters an enqueued script tag on WordPress (identified by the $handle variable) and adds a noscript element after it. If there is also an inline script enqueued after $handled, adds the noscript element after it.
/**
* @summary filtra uma tag de script na fila e adiciona um elemento noscript após ela
*
* @description filtra uma tag de script na fila (identificada pela variável $handle) e adiciona
* um elemento noscript após ela. Se também houver um script inline após o script
* identificado por $handle, adiciona o elemento noscript após ele.
*
* @access público
* @param string $tag A string da tag enviada pelo filtro `script_loader_tag` em WP_Scripts::do_item
* @param string $handle O nome (handle) do como enviado pelo filtro `script_loader_tag` em WP_Scripts::do_item
* @param string $src A origem (src) do script como enviado pelo filtro `script_loader_tag` em WP_Scripts::do_item
* @return string $tag A variável $tag filtrada e com o elemento `noscript`
*/
function add_noscript_filter($tag, $handle, $src){
// como este filtro roda para cada script na fila
// precisamos verificar se o $handle é igual o script
// que queremos filtrar e adicionar o noscript a ele
if ( 'script-handle' === $handle ){
$noscript = '<noscript>';
// você poderia pegar o conteúdo interno de outra função
$noscript .= '<p>Este site demanda JavaScript</p>';
$noscript .= '</noscript>';
$tag = $tag . $noscript;
}
return $tag;
}
// adiciona a função add_noscript_filter aos filtros em script_loader_tag
// deve ysar 3 no último parmetro para garantirque $tag, $handle, $src
// estejam disponíveis à funço add_noscript_filter
add_filter('script_loader_tag', 'add_noscript_filter', 10, 3);
/**
* @summary filters an enqueued script tag and adds a noscript element after it
*
* @description filters an enqueued script tag (identified by the $handle variable) and
* adds a noscript element after it. If there is also an inline script enqueued
* after $handled, adds the noscript element after it.
*
* @access public
* @param string $tag The tag string sent by `script_loader_tag` filter on WP_Scripts::do_item
* @param string $handle The script handle as sent by `script_loader_tag` filter on WP_Scripts::do_item
* @param string $src The script src as sent by `script_loader_tag` filter on WP_Scripts::do_item
* @return string $tag The filter $tag variable with the noscript element
*/
function add_noscript_filter($tag, $handle, $src){
// as this filter will run for every enqueued script
// we need to check if the handle is equals the script
// we want to filter. If yes, than adds the noscript element
if ( 'script-handle' === $handle ){
$noscript = '<noscript>';
// you could get the inner content from other function
$noscript .= '<p>this site demands javascript</p>';
$noscript .= '</noscript>';
$tag = $tag . $noscript;
}
return $tag;
}
// adds the add_noscript_filter function to the script_loader_tag filters
// it must use 3 as the last parameter to make $tag, $handle, $src available
// to the filter function
add_filter('script_loader_tag', 'add_noscript_filter', 10, 3);
/**
* @summary filters an enqueued style tag and adds a noscript element after it
*
* @description filters an enqueued style tag (identified by the $handle variable) and
* adds a noscript element after it.
*
* @access public
* @param string $tag The tag string sent by `style_loader_tag` filter on WP_Styles::do_item
* @param string $handle The script handle as sent by `script_loader_tag` filter on WP_Styles::do_item
* @param string $href The style tag href parameter as sent by `script_loader_tag` filter on WP_Styles::do_item
* @param string $media The style tag media parameter as sent by `script_loader_tag` filter on WP_Styles::do_item
* @return string $tag The filter $tag variable with the noscript element
*/
function add_noscript_style_filter($tag, $handle, $href, $media){
// as this filter will run for every enqueued script
// we need to check if the handle is equals the script
// we want to filter. If yes, than adds the noscript element
if ( 'script-handle' === $handle ){
$noscript = '<noscript>';
// you could get the inner content from other function
$noscript .= '<p>this site demands javascript</p>';
$noscript .= '</noscript>';
$tag = $tag . $noscript;
}
return $tag;
}
// adds the add_noscript_filter function to the style_loader_tag filters
// it must use 4 as the last parameter to make $tag, $handle, $href, $media available
// to the filter function
add_filter('style_loader_tag', 'add_noscript_style_filter', 10, 4);
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