nl_tokens: Converts a string value to Uint8array
pl_tokens: function toUint ( str ) { const string = window . btoa ( unescape ( encodeURIComponent ( str ) ) ) , chars = string . split ( '' ) , len = chars . length , uintArray = [ ] ; <mask> ( len ) . fill ( ) . forEach ( ( val , i ) => uintArray . push ( chars [ i ] . charCodeAt ( 0 ) ) ) ; return new Uint8Array ( uintArray ) ; }