imrpove grammar builder type (#32)

package.json

@@ -1,6 +1,6 @@
 {
     "name": "ludb",
-    "version": "0.0.10",
+    "version": "0.0.11",
     "description": "Nodejs Query Builder",
     "author": "Claudio Pennati <claudio.pennati@gmail.com>",
     "license": "MIT",

src/query/common-grammar-builder.ts

@@ -2123,7 +2123,7 @@ abstract class CommonGrammarBuilder<
     /**
      * Create a new query instance for nested where condition.
      */
-    public forNestedWhere(): this {
+    public forNestedWhere(): any {
         return this.newQuery().from(this.registry.from);
     }
 

src/query/join-clause.ts

@@ -110,6 +110,13 @@ class JoinClause<Parent extends GrammarBuilderI = GrammarBuilderI>
         return new this.parentClass(this.parentConnection);
     }
 
+    /**
+     * Create a new query instance for nested where condition.
+     */
+    public forNestedWhere(): JoinClauseI {
+        return super.forNestedWhere();
+    }
+
     /**
      * Clone the query.
      */

src/query/query-builder.ts

@@ -10,6 +10,13 @@ class QueryBuilder extends BaseQueryBuilder implements QueryBuilderI {
         return super.forSubQuery();
     }
 
+    /**
+     * Create a new query instance for nested where condition.
+     */
+    public forNestedWhere(): QueryBuilderI {
+        return super.forNestedWhere();
+    }
+
     /**
      * Get a new instance of the query builder.
      */