+ Added support for mixed join types

README.md

@@ -221,6 +221,13 @@ User::query()->joinRelation('posts as articles.comments as threads', [
 });
 ```
 
+The join type can also be mixed:
+```php
+User::query()->joinRelation('posts.comments', [
+    'comments' => function ($join) { $join->type = 'left'; }
+});
+```
+
 <a name="multiple-constraints-through"></a>
 #### Through-Syntax
 

src/Mixins/JoinsRelationships.php

@@ -91,8 +91,10 @@ public function joinRelation()
                 $this->applyJoinScopes($joinQuery);
             }
 
+            $joinType = $joinQuery->getJoinType();
+
             $this->addJoinRelationWhere(
-                $joinQuery, $relation, $type
+                $joinQuery, $relation, $joinType ?: $type
             );
 
             return ! is_null($relatedQuery) ? $joinQuery : $this;
@@ -232,6 +234,31 @@ protected function callJoinScope()
         };
     }
 
+    /**
+     * Defines the mixin for {@see $query->getJoinType()}.
+     *
+     * @return \Closure
+     */
+    protected function getJoinType()
+    {
+        /**
+         * Returns the custom provided join type.
+         *
+         * @return string|null
+         */
+        return function () {
+            if (! property_exists($this, 'type')) {
+                return null;
+            }
+
+            try {
+                $type = $this->type;
+            } finally {
+                return $type;
+            }
+        };
+    }
+
     /**
      * Defines the mixin for {@see $query->addJoinRelationWhere()}.
      *

tests/Unit/JoinsRelationshipsTest.php

@@ -194,4 +194,20 @@ public function multiconstraint_skip_middle_associative(Closure $query, string $
         $this->assertEquals([true, 'thumbs-up'], $builder->getBindings());
         $this->assertEquals($builderClass, get_class($builder));
     }
+
+    /**
+     * @test
+     * @dataProvider queryDataProvider
+     */
+    public function multiconstraint_mix_type(Closure $query, string $builderClass)
+    {
+        $builder = $query(new EloquentUserModelStub)
+            ->joinRelation('posts.comments.likes', [
+                'posts' => function ($join) { $join->type = 'left'; },
+                'likes' => function ($join) { $join->type = 'right'; }
+            ]);
+
+        $this->assertEquals('select * from "users" left join "posts" on "posts"."user_id" = "users"."id" inner join "comments" on "comments"."post_id" = "posts"."id" right join "likes" on "likes"."comment_id" = "comments"."id"', $builder->toSql());
+        $this->assertEquals($builderClass, get_class($builder));
+    }
 }