Use stricter URI encoding

Fixes #29.

Author: go-oleg

index.js

@@ -1,4 +1,5 @@
 'use strict';
+var strictUriEncode = require('strict-uri-encode');
 
 exports.extract = function (maybeUrl) {
 	return maybeUrl.split('?')[1] || '';
@@ -43,10 +44,10 @@ exports.stringify = function (obj) {
 
 		if (Array.isArray(val)) {
 			return val.sort().map(function (val2) {
-				return encodeURIComponent(key) + '=' + encodeURIComponent(val2);
+				return strictUriEncode(key) + '=' + strictUriEncode(val2);
 			}).join('&');
 		}
 
-		return encodeURIComponent(key) + '=' + encodeURIComponent(val);
+		return strictUriEncode(key) + '=' + strictUriEncode(val);
 	}).join('&') : '';
 };

package.json

@@ -30,6 +30,9 @@
   "scripts": {
     "test": "mocha"
   },
+  "dependencies": {
+    "strict-uri-encode": "^1.0.0"
+  },
   "devDependencies": {
     "mocha": "*"
   },

test.js

@@ -62,6 +62,7 @@ describe('.stringify()', function () {
 
 	it('URI encode', function () {
 		assert.strictEqual(qs.stringify({'foo bar': 'baz faz'}), 'foo%20bar=baz%20faz');
+		assert.strictEqual(qs.stringify({'foo bar': "baz'faz"}), 'foo%20bar=baz%27faz');
 	});
 
 	it('handle array value', function () {
@@ -88,4 +89,4 @@ describe('.extract()', function () {
 			qs.extract(undefined);
 		}, TypeError);
 	});
-});
+});