refactor progress

packages/openapi/src/generator/OpenAPISchemaReferenceCollector.tsx

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import type {OpenAPIPathItem, OpenAPISchema} from '@fluxer/openapi/src/OpenAPITypes';
+
+const OPENAPI_SCHEMA_REF_PATTERN = /#\/components\/schemas\/([A-Za-z0-9_]+)/;
+
+export function collectReferencedSchemaNames(
+	paths: Record<string, OpenAPIPathItem>,
+	allSchemas: Record<string, OpenAPISchema>,
+): Set<string> {
+	const referenced = new Set<string>();
+
+	function extractRefs(value: unknown): void {
+		if (value == null || typeof value !== 'object') {
+			return;
+		}
+
+		if ('$ref' in value && typeof (value as {$ref: string}).$ref === 'string') {
+			const ref = (value as {$ref: string}).$ref;
+			const match = ref.match(OPENAPI_SCHEMA_REF_PATTERN);
+
+			if (match) {
+				const schemaName = match[1];
+				if (!referenced.has(schemaName)) {
+					referenced.add(schemaName);
+					if (allSchemas[schemaName]) {
+						extractRefs(allSchemas[schemaName]);
+					}
+				}
+			}
+		}
+
+		if (Array.isArray(value)) {
+			for (const item of value) {
+				extractRefs(item);
+			}
+			return;
+		}
+
+		for (const nested of Object.values(value as Record<string, unknown>)) {
+			extractRefs(nested);
+		}
+	}
+
+	extractRefs(paths);
+	referenced.add('Error');
+
+	return referenced;
+}