Fixed: NULL parameters aren't excluded from generation of route

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file. This projec
 to [Semantic Versioning] (http://semver.org/). For change log format,
 use [Keep a Changelog] (http://keepachangelog.com/).
 
+## [2.0.1] - 2021-12-15
+
+### Fixed
+
+- `NULL` parameters aren't excluded from generation of route
+
 ## [2.0.0] - 2021-09-08
 
 No changes were introduced since the previous beta 3 release.

src/Route.php

@@ -396,6 +396,7 @@ public function generate(array $parameters = [], int &$nbUsed = 0): string
     {
         $this->compile();
 
+        $parameters = array_filter($parameters, fn($value) => null !== $value);
         $path =
             (string)preg_replace_callback(
                 static::REGEX_ATTRIBUTE,

tests/RouteTest.php

@@ -397,6 +397,7 @@ public function testGenerateWithOptionalPart()
         $route = new Route('/my-path/{foo}[/{bar}]');
 
         $this->assertEquals('/my-path/value1', $route->generate(['foo' => 'value1']));
+        $this->assertEquals('/my-path/value1', $route->generate(['foo' => 'value1', 'bar' => null]));
         $this->assertEquals('/my-path/value1/value2', $route->generate(['foo' => 'value1', 'bar' => 'value2']));
     }