Added filter codifier/callable-renderer/render/data

Author: Timi-Artturi Mäkelä

CHANGELOG.md

@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 [Unreleased]
 
+## [add-filter-renderer-render-data]
+
+### Added
+- Added a filter `codifier/callable-renderer/render/data` for CallableRenderer->render() $data. For example this makes possible to identify fields inside commonly used custom renderer.
+
 ## [1.39.1]
 
 ### Fixed

src/Renderer/CallableRenderer.php

@@ -42,6 +42,10 @@ public function __construct( callable $method ) {
      * @return string
      */
     public function render( array $fields ) : string {
-        return \call_user_func( $this->method, $fields['data'] );
+
+        // Filter the Renderer data.
+        $data = \apply_filters( 'codifier/callable-renderer/render/data', $fields[ 'data' ], $fields );
+
+        return \call_user_func( $this->method, $data );
     }
 }