add support for post_types to rest api

config/post-meta.json

@@ -1,7 +1,7 @@
 {
   "wp_curate_deduplication": {
     "post_types": [
-      "post"
+      "all"
     ],
     "type": "boolean"
   }

src/features/class-rest-api.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * Rest_Api class file
+ *
+ * @package wp-curate
+ */
+
+namespace Alley\WP\WP_Curate\Features;
+
+use Alley\WP\Types\Feature;
+
+/**
+ * Look for a special query var that indicates a query should not run.
+ */
+final class Rest_Api implements Feature {
+	/**
+	 * Set up.
+	 */
+	public function __construct() {}
+
+	/**
+	 * Boot the feature.
+	 */
+	public function boot(): void {
+		add_filter( 'rest_post_query', [ $this, 'add_type_param' ], 10, 2 );
+	}
+
+	/**
+	 * Add post_type to rest post query if the type param is set.
+	 *
+	 * @param array<array<int, string>|string> $query_args The existing query args.
+	 * @param \WP_REST_Request                 $request The REST request.
+	 * @return array<array<int, string>|string>
+	 */
+	public function add_type_param( $query_args, $request ): array { // @phpstan-ignore-line
+		if ( ! empty( $request->get_param( 'type' ) ) && is_string( $request->get_param( 'type' ) ) ) {
+			$types                   = explode( ',', $request->get_param( 'type' ) );
+			$types                   = array_filter( $types, 'post_type_exists' );
+			$query_args['post_type'] = $types;
+		}
+		return $query_args;
+	}
+}

src/main.php

@@ -42,6 +42,8 @@ function main(): void {
 		block_type_registry: WP_Block_Type_Registry::get_instance(),
 	);
 
+	$features[] = new Features\Rest_Api();
+
 	foreach ( $features as $feature ) {
 		$feature->boot();
 	}