mswWithOpenApi.ts

import SwaggerParser from "@apidevtools/swagger-parser";
import * as OpenAPISampler from "openapi-sampler";
import type { OpenAPI, OpenAPIV3_1 } from "openapi-types";

SwaggerParser.dereference(
  "oepnapi.json"
).then((api) => {
  if (!api.paths) throw new Error("No paths found in API definition");

  Object.entries<NonNullable<OpenAPI.Document["paths"]>[number]>(
    api.paths
  ).forEach(([path, pathItem]) => {
    if (!pathItem) return;

    Object.entries(pathItem).forEach(([method, operation]) => {
      // if (Object.hasOwn(operation, "requestBody")) {
      //   const requestBody = (operation as OpenAPIV3_1.OperationObject)
      //     .requestBody;

      //   if (requestBody === undefined || !Object.hasOwn(requestBody, "content"))
      //     return;

      //   const content = (requestBody as OpenAPIV3_1.RequestBodyObject).content;
      //   const schema = content["application/json"]?.schema;

      //   if (schema === undefined) return;

      //   const sample = OpenAPISampler.sample(schema as any);
      //   console.log(path, method, sample);
      // }

      if (operation === undefined || !Object.hasOwn(operation, "responses"))
        return;

      const responses = (operation as OpenAPIV3_1.OperationObject).responses;

      // const response =
      //   responses &&
      //   Object.entries(responses).find(([statusCode]) =>
      //     statusCode.startsWith("2")
      //   );

      // if (response === undefined || !Object.hasOwn(response[1], "content"))
      //   return;

      // const content = (response[1] as OpenAPIV3_1.ResponseObject).content;

      // const schema = content?.["application/json"]?.schema;

      // const sample = schema && OpenAPISampler.sample(schema as any);

      // console.log(path, method, sample);
    });
  });
});