nl_tokens: Detects the value of an option at the tree node .
pl_tokens: function ( ast ) { let detected = [ ] ; ast . traverseByType ( 'number' , function ( number ) { if ( number . <mask> . match ( / ^\.[0-9]+ / ) ) { detected . push ( false ) ; } else if ( number . content . match ( / ^0\.[0-9]+ / ) ) { detected . push ( true ) ; } } ) ; return detected ; }