src/message.js
function containsToken(message, token, offset=0) {
  if (offset + token.length > message.length) {
    return false;
  }

  let index = offset;
  for (let i = 0; i < token.length; i++) {
    if (token[i] !== message[index++]) {
      return false;
    }
  }
  return true;
}
function containsToken(message, token, offset=0) {
  if (offset + token.length > message.length) {
    return false;
  }

  let index = offset;
  for (let i = 0; i < token.length; i++) {
    if (token[i] !== message[index++]) {
      return false;
    }
  }
  return true;
}
function containsToken ( message , token , offset = 0 ) { if ( offset + token . length > message . length ) { return false ; } let index = offset ; for ( let i = 0 ; i < token . length ; i ++ ) { if ( token [ i ] !== message [ index ++ ] ) { return false ; } } return true ; }
Checks whether a given token is contained by a message at a given offset.
@param {Uint8Array} message message content
@param {Uint8Array} token substring that should be present
@param {Number} offset offset in message content from where search should start
@returns {Boolean} whether message contains token at offset
Checks whether a given token is contained by a message at a given offset .