Replaces registering string fields with register_graphql_fields and…

… eliminates abstraction and class constant.

includes/Blocks/CorePostTerms.php

@@ -16,49 +16,40 @@
  * Class CorePostTerms.
  */
 class CorePostTerms extends Block {
-	/**
-	 * String fields for the block.
-	 */
-	public const STRING_FIELDS = [ 'prefix', 'suffix', 'term' ];
-
 	/**
 	 * {@inheritDoc}
 	 */
 	public function __construct( WP_Block_Type $block, Registry $block_registry ) {
 		parent::__construct( $block, $block_registry );
 
-		foreach ( self::STRING_FIELDS as $field ) {
-			$this->register_string_field( $field );
-		}
+		register_graphql_fields(
+			$this->type_name,
+			[
+				'prefix' => $this->get_string_field_config( 'prefix' ),
+				'suffix' => $this->get_string_field_config( 'suffix' ),
+				'term'   => $this->get_string_field_config( 'term' ),
+			]
+		);
 
 		$this->register_list_of_terms_field();
 	}
 
 	/**
-	 * Registers a string field for the block.
+	 * Gets a string field for the block.
 	 *
 	 * @param string $name The name of the field.
-	 *
-	 * @return void
-	 * @throws \Exception
 	 */
-	protected function register_string_field( $name ) {
-		register_graphql_field(
-			$this->type_name,
-			$name,
-			[
-				'type'        => 'String',
-				'description' => sprintf(
-					// translators: %1$s is the field name, %2$s is the block type name.
-					__( '%1$s of the "%2$s" Block Type', 'wp-graphql-content-blocks' ),
-					ucfirst( $name ),
-					$this->type_name
-				),
-				'resolve'     => static function ( $block ) use ( $name ) {
-					return isset( $block['attrs'][ $name ] ) ? (string) $block['attrs'][ $name ] : null;
-				},
-			]
-		);
+	private function get_string_field_config( string $name ): array {
+		return [
+			'type'        => 'String',
+			'description' => sprintf(
+				// translators: %1$s is the field name, %2$s is the block type name.
+				__( '%1$s of the "%2$s" Block Type', 'wp-graphql-content-blocks' ),
+				ucfirst( $name ),
+				$this->type_name
+			),
+			'resolve'     => static fn ( $block ) => isset( $block['attrs'][ $name ] ) ? (string) $block['attrs'][ $name ] : null,
+		];
 	}
 
 	/**