nl_tokens: Given an Error object return a formatted Array based on Chrome s stack string .
pl_tokens: function ( e ) { var stack = ( e . stack + '\n' ) . replace ( / ^\S[^\(]+?[\n$] / gm , '' ) . replace ( / ^\s+(at eval )?at\s+ / gm , '' ) . replace ( / ^([^\(]+?)([\n$]) / gm , '{anonymous}()@$1$2' ) . replace ( / ^Object.<anonymous>\s*\(([^\)]+)\) / gm , '{anonymous}()@$1' ) . split ( '\n' ) ; stack . pop ( ) ; return <mask> ; }