FM / buffer-indexof

/var/www/cobraambalaj/node_modules/buffer-indexof/

/var/www/cobraambalaj/node_modules/buffer-indexof

Name	Size	Mode	Actions
test/	-	0755	rm
.travis.yml	61	0644	edit dl rm
bm.js	1128	0644	edit dl rm
index.js	1540	0644	edit dl rm
LICENSE	1075	0644	edit dl rm
package.json	1382	0644	edit dl rm
README.md	729	0644	edit dl rm

Edit: /var/www/cobraambalaj/node_modules/buffer-indexof/index.js (1540B)

module.exports = function bufferIndexOf(buff, search, offset, encoding){
  if (!Buffer.isBuffer(buff)) {
    throw TypeError('buffer is not a buffer');
  }

// allow optional offset when providing an encoding
  if (encoding === undefined && typeof offset === 'string') {
    encoding = offset;
    offset = undefined;
  }

if (typeof search === 'string') {
    search = new Buffer(search, encoding || 'utf8');
  } else if (typeof search === 'number' && !isNaN(search)) {
    search = new Buffer([search])
  } else if (!Buffer.isBuffer(search)) {
    throw TypeError('search is not a bufferable object');
  }

if (search.length === 0) {
    return -1;
  }

if (offset === undefined || (typeof offset === 'number' && isNaN(offset))) {
    offset = 0;
  } else if (typeof offset !== 'number') {
    throw TypeError('offset is not a number');
  }

if (offset < 0) {
    offset = buff.length + offset
  }

if (offset < 0) {
    offset = 0;
  }

var m = 0;
  var s = -1;

for (var i = offset; i < buff.length ; ++i) {
    if(buff[i] != search[m]){
      s = -1;
      // <-- go back
      // match abc to aabc
      // 'aabc'
      // 'aab'
      //    ^ no match
      // a'abc'
      //   ^ set index here now and look at these again.
      //   'abc' yay!
      i -= m-1
      m = 0;
    }

if(buff[i] == search[m]) {
      if(s == -1) {
        s = i;
      }
      ++m;
      if(m == search.length) {
        break;
      }
    }
  }

if (s > -1 && buff.length - s < search.length) {
    return -1;
  }
  return s;
}

cmd: