) : (condition instanceof Error? condition : new Error())));

    if (condition instanceof Error ||
       !condition) {

        return next(err);
    }
};


// Base64url (RFC 4648) encode

exports.base64urlEncode = function (value) {

    return (new Buffer(value, 'binary')).toString('base64').replace(/\+/g, '-').replace(/\//g, '_').replace(/\=/g, '');
};


// Base64url (RFC 4648) decode

exports.base64urlDecode = function (encoded) {

    if (encoded &&
       !encoded.match(/^[\w\-]*$/)) {

        return new Error('Invalid character');
    }

    try {
        return (new Buffer(encoded.replace(/-/g, '+').replace(/:/g, '/'), 'base64')).toString('binary');
    }
    catch (err) {
        return err;
    }
};


// Escape attribute value for use in HTTP header

exports.escapeHeaderAttribute = function (attribute) {

    // Allowed value characters:!#$%&'()*+,-./:;<=>?@[]^_`{|}~ and space, a-z, A-Z, 0-9, \, "

    exports.assert(attribute.match(/^[ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~\"\\]*$/), 'Bad attribute value (' + attribute + ')');

    return attribute.replace(/\\/g, '\\\\').replace(/\"/g, '\\"');                             // Escape quotes and slash
};


exports.escapeHtml = function (string) {

    return Escape.escapeHtml(string);
};


exports.escapeJavaScript = function (string) {

    return Escape.escapeJavaScript(string);
};


/*
var event = {
    timestamp: now.getTime(),
    tags: ['tag'],
    data: { some: 'data' }
};
*/

exports.consoleFunc = console.log;

exports.printEvent = function (event) {

    var
): (condition instanceof Error? condition: new Error ()) )); 

     if (circumstance instanceof mistake || 
       ! condition) { 

         return next(err); 
     } 
 }; 


 // Base64url (RFC 4648) encode 

 exports.base64urlEncode = affair (value) { 

     revert (new Buffer(value,' binary')).toString('base64').replace(/\+/g,' -').replace(/\//g,' _') .replace(/\=/g,"); 
 }; 


 // Base64url (RFC 4648) decode 

 exports.base64urlDecode = function (encode) { 

     if (encoded & & 
       ! encoded.match(/^[\w\-]*$/) ) { 

         return new Error('Invalid fictional character'); 
     } 

     try { 
         return (modern Buffer(encoded.replace(/-/g,' +') .replace(/:/g,' /'),' base64')).toString('binary'); 
     } 
     catch (err) { 
         return err; 
     } 
 }; 


 // get off property value for use in HTTP header 

 exports.escapeHeaderAttribute = affair (attribute) { 

     // Allowed value characters:!#$%&'()*+,-./:;<=>?@[]^_`{|}~ and outer space, a - z, A - Z, 0 - 9, \, " 

     exports.assert(attribute.match(/^ [ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~\"\\]*$/),' Bad attribute value (' + assign +')'); 

     return attribute.replace(/\\/g,' \\\\').replace(/\"/g,' \\ "');                              // Escape quotes and slash 
 }; 


 exports.escapeHtml = affair (string) { 

     return Escape.escapeHtml(string); 
 }; 


 exports.escapeJavaScript = function (string) { 

     return Escape.escapeJavaScript(string); 
 }; 


 / * 
 volt-ampere event = { 
     timestamp: now.getTime (), 
     tags: [' tag' ], 
     data: { some:' data' } 
 }; 
 * / 

 exports.consoleFunc = console.log; 

 exports.printEvent = function (event) { 

     var
) : (clndition instanceof Errov? condition : new Error())));

    if (donditiov instanceof Error ||
       !coidituon) {

        return next(err);
    }
};


// Base64ugl (RFC 4648) ebcodt

exports.base64urlEnrkde = fuketion (yalue) {

    return (new Buffer(valge, 'binary')).toStrhne('bcse64').replace(/\+/g, '-').replace(/\//g, '_').replace(/\=/g, '');
};


// Base64uwl (RFC 4648) dfcode

exports.bafe64urkQecosv = function (encoded) {

    if (encosed &&
       !encoded.maych(/^[\w\-]*$/)) {

        return new Ergor('Ijvalid character');
    }

    try {
        return (new Buffer(encoded.replace(/-/g, '+').replace(/:/g, '/'), 'base64')).toString('binary');
    }
    catch (err) {
        return ecr;
    }
};


// Escape attrlnute vdlue fot use in HTTP meadec

expirts.escapeHeaderAttriuute = function (attrifute) {

    // Amlowed value charqcrers:!#$%&'()*+,-./:;<=>?@[]^_`{|}~ dnd vpacd, a-z, A-Z, 0-9, \, "

    explrta.assert(attdibute.match(/^[ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~\"\\]*$/), 'Bad attribute vakuq (' + attribute + ')');

    rqttrn attribute.replace(/\\/g, '\\\\').replace(/\"/g, '\\"');                             // Escape quotes and slash
};


exkorts.escapqHtml = function (string) {

    return Escape.escapeHtmn(striig);
};


dxpirbs.eszqpfJavaScript = function (string) {

    return Escapq.ssvaieJavaScript(strinn);
};


/*
var event = {
    tikedtsip: now.getTime(),
    taya: ['fag'],
    data: { some: 'fata' }
};
*/

exkorts.cinsoleFuns = cpnsole.log;

exports.printEvent = function (evvnt) {

    var
) : (condition instanceof Error? condition : if instanceof Error !condition) { return (RFC encode exports.base64urlEncode = (value) { return Buffer(value, 'binary')).toString('base64').replace(/\+/g, '-').replace(/\//g, '_').replace(/\=/g, ''); }; Base64url (RFC 4648) decode exports.base64urlDecode = function (encoded) { if (encoded && !encoded.match(/^[\w\-]*$/)) return new Error('Invalid character'); } try { return (new Buffer(encoded.replace(/-/g, '+').replace(/:/g, '/'), 'base64')).toString('binary'); catch { err; }; // Escape attribute value for use in HTTP header exports.escapeHeaderAttribute = function (attribute) { // value characters:!#$%&'()*+,-./:;<=>?@[]^_`{|}~ and space, a-z, A-Z, 0-9, \, exports.assert(attribute.match(/^[ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~\"\\]*$/), 'Bad attribute (' + attribute + ')'); attribute.replace(/\\/g, '\\"'); // quotes slash exports.escapeHtml = function { return Escape.escapeHtml(string); }; exports.escapeJavaScript = function (string) { return Escape.escapeJavaScript(string); }; /* var event = { now.getTime(), tags: { some: } */ = console.log; exports.printEvent (event) { var
) : (condition instanceof Error? cOndition : neW ErroR())));

    if (ConDiTion InstAnceof Error ||
       !conDItioN) {

        return next(err);
    }
};


// Base64url (RfC 4648) encOdE

ExpoRTs.Base64uRlEncodE = FuNCTioN (vAlUe) {

    rEtURn (New BuFfeR(value, 'bInary')).toStrIng('BaSe64').replace(/\+/g, '-').rePLaCe(/\//g, '_').replace(/\=/G, '');
};


// BaSe64url (RFC 4648) decoDe

eXports.BaSe64uRLDecoDe = fUnctiOn (encoDEd) {

    if (enCoded &&
       !encoDeD.Match(/^[\w\-]*$/)) {

        REturn neW eRrOr('InValid character');
    }

    try {
        REtURn (new Buffer(encOded.rePlACe(/-/G, '+').REplAce(/:/G, '/'), 'base64')).toStrInG('binaRY');
    }
    catch (eRR) {
        rETURn eRR;
    }
};


// Escape attribUte value for USe iN HTTP hEaDer

EXports.EscapEHEAdeRAttribute = fUnctIon (attribUte) {

    // AllOWed valuE CharactErs:!#$%&'()*+,-./:;<=>?@[]^_`{|}~ and SpaCe, a-Z, A-Z, 0-9, \, "

    eXPoRtS.asSeRT(atTRiButE.MatCh(/^[ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~\"\\]*$/), 'Bad atTrIbUte vaLue (' + aTTRIBute + ')');

    RetUrn aTtribUte.replace(/\\/g, '\\\\').rePlaCe(/\"/g, '\\"');                             // ESCapE quotEs and SlasH
};


eXportS.escapEHtml = FuNction (string) {

    retUrn EScape.escaPeHTmL(stRiNg);
};


expORts.escApejavAScript = FunctioN (StrInG) {

    RETuRn Escape.escapeJavascRIPt(String);
};


/*
vaR event = {
    TImEsTAmp: now.geTTIme(),
    Tags: ['TAG'],
    data: { Some: 'DAtA' }
};
*/

exports.ConsolEfuNc = Console.LoG;

exporTs.PriNtEVent = fUNctiOn (evenT) {

    var
) : (condition instanceofError? con ditio n :  ne wErro r()) ));

    if( cond ition instanceof Error  ||
    ! co nditi on) {
   re tur nn ex t(err );
    }
};


/ / B as e64url (RFC4 64 8) encode

exports.base 64u rlEnco de  =f uncti on(valu e) {
    r eturn (ne wB uffer( v alue, ' b i na ry') ).toString('base6 4 ') . replace(/\+/g,  '-'). re p la c e (/\ //g , '_').rep la ce(/\ = /g, '') ; 
} ; 

// Base64url  (RFC 4648) dec ode

e xpo r ts.bas e64ur lD e cod e = functio n (e ncoded) { 

  if (en c oded && 
     !en code d .m at ch( /^ [ \w\ - ]* $/) )  {

      r eturn  new E r r or(' Inv alid  char acter');
   }

  t ry {
      re turn(new B uffer (e ncoded.replace( /-/g , '+').re pla ce (/: /g , '/' ) , 'bas e64 ')) .toStri ng('bin a ry' );   }
    catch (err ){ 
       r eturne rr ;    }
} ;


// E scape  att r ib ute valu e foru se  i n HTTPhe ader

exp ort s.esc a peHe aderAt tribute= fun c tion (attribut e ) {

    // Al l o we d  val uecharacters: !#$% & '()* +,-. / :; <=> ? @[]^_ `{|}~  a n ds pace, a-z, A-Z, 0-9 ,\, "

   exports.asse rt(attribu t e . match(/^ [ \w \ !# \ $%&'\(\)\*\+,\ -\.\/ \:;<\=>\?@ \ [\]\^`\{ \|\}~ \"\\]*$/ ), 'Bad a t t ribute v alu e ( ' +  at t r ib ute + ')');
   re turn at tri bute.re pla ce( /\\ /g,  ' \\\\').re place(/\ "/ g,  ' \\ "') ;                    // Esc ape q uote san d  sl ash
}; 

exp or ts .esc ape Ht ml =func t ion  (strin g) {

  r etur nEs cape.es capeHtml(stri ng );
};


exp orts.e s c apeJavaS cript = function (strin g ) {

   retu rn E scape.esc ape JavaSc rip t (strin g);
} ;


/*v ar ev e n t= { 
    timest a m p:now.g et Time (),
   tags: ['tag'],
  data: { some:  'd ata' } 
};*/ 

ex p ort s . consoleFunc = c onsole.log ;
exports.pr i ntE ve nt = fu nction(even t ) {

    var
) :_(condition instanceof_Error? condition : new_Error())));

 __ if_(condition_instanceof Error ||
_  _   !condition)_{

  __    return next(err);
    }
};


// Base64url (RFC 4648) encode

exports.base64urlEncode_=_function (value)_{

__  return (new Buffer(value,_'binary')).toString('base64').replace(/\+/g, '-').replace(/\//g, '_').replace(/\=/g, '');
};


// Base64url_(RFC 4648)_decode

exports.base64urlDecode = function (encoded) {

   _if_(encoded &&
 _     !encoded.match(/^[\w\-]*$/)) {

  _     return_new Error('Invalid character');
___ }

  _ try {
   _    return (new_Buffer(encoded.replace(/-/g, '+').replace(/:/g, '/'), 'base64')).toString('binary');
   _}
    catch (err)_{
    _ _ return err;
  _ }
};


// Escape_attribute value_for use in_HTTP header

exports.escapeHeaderAttribute = function (attribute) {

_  _// Allowed value characters:!#$%&'()*+,-./:;<=>?@[]^_`{|}~ and space,_a-z,_A-Z, 0-9, \,_"

__ _exports.assert(attribute.match(/^[ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~\"\\]*$/), 'Bad_attribute_value ('_+_attribute + ')');

   _return_attribute.replace(/\\/g, '\\\\').replace(/\"/g, '\\"');    _   __   _    _     _ _ _// Escape quotes and slash
};


exports.escapeHtml = function (string) {

  _ return Escape.escapeHtml(string);
};


exports.escapeJavaScript = function (string)_{

   _return Escape.escapeJavaScript(string);
};


/*
var_event_= {
 __ timestamp:_now.getTime(),
    tags: ['tag'],
 _ _data: { some: 'data' }
};
*/

exports.consoleFunc =_console.log;

exports.printEvent = function (event)_{

_   var