Source

File: wp-includes/rest-api/endpoints/class-wp-rest-plugins-controller.php

public function prepare_item_for_response( $item, $request ) {
		$item   = _get_plugin_data_markup_translate( $item['_file'], $item, false );
		$marked = _get_plugin_data_markup_translate( $item['_file'], $item, true );

		$data = array(
			'plugin'       => substr( $item['_file'], 0, - 4 ),
			'status'       => $this->get_plugin_status( $item['_file'] ),
			'name'         => $item['Name'],
			'plugin_uri'   => $item['PluginURI'],
			'author'       => $item['Author'],
			'author_uri'   => $item['AuthorURI'],
			'description'  => array(
				'raw'      => $item['Description'],
				'rendered' => $marked['Description'],
			),
			'version'      => $item['Version'],
			'network_only' => $item['Network'],
			'requires_wp'  => $item['RequiresWP'],
			'requires_php' => $item['RequiresPHP'],
			'textdomain'   => $item['TextDomain'],
		);

		$data = $this->add_additional_fields_to_object( $data, $request );

		$response = new WP_REST_Response( $data );
		$response->add_links( $this->prepare_links( $item ) );

		/**
		 * Filters the plugin data for a response.
		 *
		 * @since 5.5.0
		 *
		 * @param WP_REST_Response $response The response object.
		 * @param array            $item     The plugin item from {@see get_plugin_data()}.
		 * @param WP_REST_Request  $request  The request object.
		 */
		return apply_filters( 'rest_prepare_plugin', $response, $item, $request );
	}