lib/cookie.js
function get(key, value) {
  var i, parts, name, cookie;
  var result = key ? undefined : {};
  /* istanbul ignore next */
  var cookies = (document.cookie || '').split('; ');
  for (i = 0; i < cookies.length; i++) {
    parts = cookies[i].split('=');
    name = this.decode(parts.shift());
    cookie = parts.join('=');
    if (key && key === name) {
      // if second argument (value) is a function it's a converter
      result = this.read(cookie, value);
      break;
    }
    // prevent storing a cookie that we couldn't decode
    if (!key && (cookie = this.read(cookie)) !== undefined) {
      result[name] = cookie;
    }
  }
  return result;
}
function get(key, value) {
  var i, parts, name, cookie;
  var result = key ? undefined : {};
  /* istanbul ignore next */
  var cookies = (document.cookie || '').split('; ');
  for (i = 0; i < cookies.length; i++) {
    parts = cookies[i].split('=');
    name = this.decode(parts.shift());
    cookie = parts.join('=');
    if (key && key === name) {
      // if second argument (value) is a function it's a converter
      result = this.read(cookie, value);
      break;
    }
    // prevent storing a cookie that we couldn't decode
    if (!key && (cookie = this.read(cookie)) !== undefined) {
      result[name] = cookie;
    }
  }
  return result;
}
function get ( key , value ) { var i , parts , name , cookie ; var result = key ? undefined : { } ; /* istanbul ignore next */ var cookies = ( document . cookie || '' ) . split ( '; ' ) ; for ( i = 0 ; i < cookies . length ; i ++ ) { parts = cookies [ i ] . split ( '=' ) ; name = this . decode ( parts . shift ( ) ) ; cookie = parts . join ( '=' ) ; if ( key && key === name ) { // if second argument (value) is a function it's a converter result = this . read ( cookie , value ) ; break ; } // prevent storing a cookie that we couldn't decode if ( ! key && ( cookie = this . read ( cookie ) ) !== undefined ) { result [ name ] = cookie ; } } return result ; }
Get a cookie value.

@param key The cookie key name.
@param value A converter function used when reading the cookie value.
Get a cookie value .