var parserlib = require('parserlib');
var parser = new parserlib.css.Parser();
parser.parse('');
TypeError: Cannot read property 'getLine' of null
at TokenStreamBase.mix._getToken (/Users/bfarias/Documents/html-dependencies/node_modules/parserlib/lib/node-parserlib.js:4737:33)
at TokenStreamBase.get (/Users/bfarias/Documents/html-dependencies/node_modules/parserlib/lib/node-parserlib.js:726:22)
at TokenStreamBase.match (/Users/bfarias/Documents/html-dependencies/node_modules/parserlib/lib/node-parserlib.js:620:24)
at Parser.additions._charset (/Users/bfarias/Documents/html-dependencies/node_modules/parserlib/lib/node-parserlib.js:1445:33)
at Parser.additions._stylesheet (/Users/bfarias/Documents/html-dependencies/node_modules/parserlib/lib/node-parserlib.js:1313:22)
at Parser.additions.parse (/Users/bfarias/Documents/html-dependencies/node_modules/parserlib/lib/node-parserlib.js:3398:22)
at [stdin]:3:12
at Object.exports.runInThisContext (vm.js:54:17)
at Object.<anonymous> ([stdin]-wrapper:6:22)
at Module._compile (module.js:409:26)