javascript - buffer.js:246 "Object 1 has no method 'toLowerCase' -


i m trying make .smil (.xml) parser in javascript. when want test it, node.js me that:

buffer.js:246     switch(encoding && encoding.tolowercase()){                                 ^ typeerror: object 1 has no method 'tolowercase'     @ function.buffer.isencoding (buffer.js:246:32)     @ assertencoding (fs.js:98:27)     @ object.fsread (fs.js:422:5)     @ gets (/home/pi/smil_parser.js:8:8)     @ read_until (/home/pi/smil_parser.js:28:14)     @ home/pi/smil_parser.js:64:14     @ object.oncomplete (fs.js:93.15)

gets () indeed 1 of function:

var io=require('fs'); ... function gets (file){     var chaine="", cache="", pkmn=0;     io.read(file, cache, 0, 1, null, function(err, byte, buf){         if (err || byte===0){return -1;}         while ((cache!=="\n"))         {             chaine=chaine+cache;             cache="";             pkmn=io.readsync(file, cache, 0, 1, null);             if (pkmn===0){return -1;}         }     }); }

i don t have idea of go wrong, seem read, ve made sure right arguments, tried update node.js, fs , npm. , similar error found on google update problem.

edit: added complete error message, here function read_until:

function read_until(smil, limit){     var line="";         {         line=gets(smil);         if (line===-1){return -1}     }while (!(line.search(limit)));     return 0; }

.

function parse (pathname){     var smil=0, line="", pkmn=0;     io.open(pathname, 'r', function (err, fd){         if (err){return -1;}         smil=fd;         pkmn=read_until(smil, "<smil>");         ...

fs.read takes buffer not string.

change cache buffer.

function gets (file){     var chaine="", cache=new buffer(), pkmn=0;     io.read(file, cache, 0, 1, null, function(err, byte, buf){         if (err || byte===0){return -1;}         while ((cache!=="\n"))         {             chaine=chaine+cache;             cache="";             pkmn=io.readsync(file, cache, 0, 1, null);             if (pkmn===0){return -1;}         }     }); }

see fs.read code here

if want use string "buffer" must use legacy interface

legacy string interface fs.read(fd, length, position, encoding, callback)


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