René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Generating strict servers using 2.1.0 breaks casting of imported components when moving from 2.0.0.","articleBody":"Example code that breaks when generating using 2.1.0+:\n```\npackage main\n\nimport (\n\t\"fmt\"\n\n\t\"github.com/oapiexample/api\"\n\t\"github.com/oapiexample/otherapi\"\n)\n\nfunc main() {\n\tvar a api.GetExampleResponseObject\n\n\tvar b otherapi.GetOtherExample400JSONResponse\n\tswitch a.(type) {\n\tcase api.GetExample400JSONResponse:\n\t\tb = otherapi.GetOtherExample400JSONResponse(a.(api.GetExample400JSONResponse)) // \u003c- this line no longer compiles\n\t}\n\n\tfmt.Println(b.Message)\n}\n\n```\n\nSetup:\n\nopen_api.yaml\n```\nopenapi: 3.0.1\ninfo:\n  description: An example schema\n  title: ExampleAPI\n  version: 1.0.0\npaths:\n  /example:\n    get:\n      operationId: getExample\n      responses:\n        200:\n          description: OK\n        400:\n          $ref: \"#/components/responses/400\"\ncomponents:\n  responses:\n    400:\n      content:\n        application/json:\n          schema:\n            properties:\n              message:\n                type: string\n            required:\n              - message\n            type: object\n      description: Bad Request\n```\n\nopen_api.cfg.yaml\n```\npackage: api\ngenerate:\n  chi-server: true\n  models: true\n  strict-server: true\noutput: ./api/api.go\noutput-options:\n  skip-prune: true\n```\n\n\nopen_api_other.yaml\n```\nopenapi: 3.0.1\ninfo:\n  description: Another example schema\n  title: OtherAPI\n  version: 1.0.0\npaths:\n  /example:\n    get:\n      operationId: getOtherExample\n      responses:\n        200:\n          description: OK\n        400:\n          $ref: \"./open_api.yaml#/components/responses/400\"\n\n```\n\nopen_api_other.cfg.yaml\n```\npackage: otherapi\ngenerate:\n  chi-server: true\n  models: true\n  strict-server: true\nimport-mapping:\n  ./open_api.yaml: github.com/oapiexample/api/api\noutput: ./otherapi/api.go\n```\n\ngenerate.go\n```\npackage oapiexample\n\n//go:generate go run github.com/deepmap/oapi-codegen/v2/cmd/oapi-codegen@v2.0.0 --config open_api.cfg.yaml ./open_api.yaml\n//go:generate go run github.com/deepmap/oapi-codegen/v2/cmd/oapi-codegen@v2.0.0 --config open_api_other.cfg.yaml ./open_api_other.yaml\n```\n\nWhen I look at the generated code, this line changes from\n```\ntype GetOtherExample400JSONResponse struct{ externalRef0.N400JSONResponse }\n```\nto \n```\ntype GetOtherExample400JSONResponse struct{ externalRef0.N400 }\n```\n\nThe GetExample400JSONResponse type that references the same response component continues to embed the N400JSONResponse type.\n\n```\ntype GetExample400JSONResponse struct{ N400JSONResponse }\n```\n\n\nI believe [pull request #1387](https://github.com/oapi-codegen/oapi-codegen/pull/1387) introduced this change.","author":{"url":"https://github.com/MathewSharff","@type":"Person","name":"MathewSharff"},"datePublished":"2025-06-24T23:15:33.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/2010/oapi-codegen/issues/2010"}