nl_tokens: Given a caption shortcode object returns an object of parsed attributes .
pl_tokens: function parseCaption ( node , _parsed ) { // Pull named attributes if ( node . attrs && node . attrs . named ) { // Caption align is suffixed with "align" if ( REGEXP_CAPTION_ALIGN . test ( node . attrs . named . align ) ) { _parsed . appearance . align = node . attrs . named . align . match ( REGEXP_CAPTION_ALIGN ) [ 1 ] ; } // Caption ID is suffixed with "attachment_" if ( REGEXP_CAPTION_ID . test ( node . attrs . named . id ) ) { _parsed . media . ID = parseInt ( <mask> . attrs . named . id . match ( REGEXP_CAPTION_ID ) [ 1 ] , 10 ) ; } // Extract dimensions if ( _parsed . media . width && isFinite ( node . attrs . named . width ) ) { _parsed . media . width = parseInt ( node . attrs . named . width , 10 ) ; } } // If shortcode contains no content, we're finished at this point if ( ! node . content ) { return _parsed ; } // Extract shortcode content, including caption text as sibling // adjacent to the image itself. const img = node . content . match ( REGEXP_CAPTION_CONTENT ) ; if ( img && img [ 2 ] ) { _parsed . media . caption = img [ 2 ] . trim ( ) ; } // If content contains image in addition to caption text, continue // to parse the image if ( img ) { return _recurse ( img [ 1 ] , _parsed ) ; } return _parsed ; }