Fix .extract() for query strings containing ? (#109)

Author: neykov

index.js

@@ -114,7 +114,11 @@ function keysSorter(input) {
 }
 
 exports.extract = function (str) {
-	return str.split('?')[1] || '';
+	var queryStart = str.indexOf('?');
+	if (queryStart === -1) {
+		return '';
+	}
+	return str.slice(queryStart + 1);
 };
 
 exports.parse = function (str, opts) {

test/extract.js

@@ -4,6 +4,7 @@ import fn from '../';
 test('should extract query string from url', t => {
 	t.is(fn.extract('http://foo.bar/?abc=def&hij=klm'), 'abc=def&hij=klm');
 	t.is(fn.extract('http://foo.bar/?'), '');
+	t.is(fn.extract('http://foo.bar/?regex=ab?c'), 'regex=ab?c');
 });
 
 test('should handle strings not containing query string', t => {