fix empty schemas issue

Author: omermecitoglu

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@omer-x/next-openapi-interface-generator",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "OpenAPI interface generator for Next.js",
   "keywords": [
     "next",

package.json

@@ -57,7 +57,7 @@ type HttpMethod = "get" | "post" | "patch" | "put" | "delete";
 
 export type OpenAPI = {
   components: {
-    schemas: Record<string, SchemaComponent>,
+    schemas?: Record<string, SchemaComponent>,
   },
   paths: Record<string, Record<HttpMethod, Operation>>,
 };

src/core/openapi.ts

@@ -22,12 +22,14 @@ import generateSwaggerJson from "./core/swagger";
   const outputDir = path.resolve(process.cwd(), outputFolder);
 
   const data = generateSwaggerJson(sourceDir);
-  for (const [schemaName, schema] of Object.entries(data.components.schemas)) {
-    if (schema.type === "object") {
-      const properties = resolveProperties(schema.properties, schema.required ?? []);
-      const importedSchemas = resolveSchemasFromProps(schema.properties);
-      const content = generateSchema(schemaName, properties, importedSchemas);
-      await createFile(content, `${schemaName}.ts`, outputDir, "schemas");
+  if (data.components.schemas) {
+    for (const [schemaName, schema] of Object.entries(data.components.schemas)) {
+      if (schema.type === "object") {
+        const properties = resolveProperties(schema.properties, schema.required ?? []);
+        const importedSchemas = resolveSchemasFromProps(schema.properties);
+        const content = generateSchema(schemaName, properties, importedSchemas);
+        await createFile(content, `${schemaName}.ts`, outputDir, "schemas");
+      }
     }
   }