i tried to use node-red-nodegen is failing with OpenAPI defintions with error messages

[lauri-aloauri]

Hello !

i tried to use node-red-nodegen with OpenAPI defintions but got error messages, I would be very plased is some could give reason of these errors and offer some workarouds

My environment : Node generator version: 0.1.1 Node-RED version: v1.3.5 Node.js version: v14.17.0 npm version: 6.14.13 Platform/OS: Ubuntu 20.04 Browser: FireFox Version 89.0 (64-bit) I want use node-red-nodegen with OpenAPI description : https://raw.githubusercontent.com/OAI/OpenAPI-Specification/main/examples/v3.0/petstore.yaml I used also https://editor.swagger.io/ to conert yaml to json format, Then i tried to use node-red-nodegen with this OpenAPI defintions i got flollowing errors

node-red-nodegen openapi.json --name 'xroad-management-ui' Error: TypeError: Cannot read property 'definitions' of undefined TypeError: Cannot read property 'definitions' of undefined at /usr/local/lib/node_modules/node-red-nodegen/node_modules/swagger-js-codegen-formdata/lib/typescript.js:48:43 at arrayEach (/usr/local/lib/node_modules/node-red-nodegen/node_modules/lodash/lodash.js:530:11) at Function.forEach (/usr/local/lib/node_modules/node-red-nodegen/node_modules/lodash/lodash.js:9410:14) at convertType (/usr/local/lib/node_modules/node-red-nodegen/node_modules/swagger-js-codegen-formdata/lib/typescript.js:44:19) at /usr/local/lib/node_modules/node-red-nodegen/node_modules/swagger-js-codegen-formdata/lib/typescript.js:62:32 at /usr/local/lib/node_modules/node-red-nodegen/node_modules/lodash/lodash.js:4967:15 at baseForOwn (/usr/local/lib/node_modules/node-red-nodegen/node_modules/lodash/lodash.js:3032:24) at /usr/local/lib/node_modules/node-red-nodegen/node_modules/lodash/lodash.js:4936:18 at Function.forEach (/usr/local/lib/node_modules/node-red-nodegen/node_modules/lodash/lodash.js:9410:14) at Object.convertType (/usr/local/lib/node_modules/node-red-nodegen/node_modules/swagger-js-codegen-formdata/lib/typescript.js:61:15) at /usr/local/lib/node_modules/node-red-nodegen/node_modules/swagger-js-codegen-formdata/lib/codegen.js:184:24 at /usr/local/lib/node_modules/node-red-nodegen/node_modules/lodash/lodash.js:4967:15 at baseForOwn (/usr/local/lib/node_modules/node-red-nodegen/node_modules/lodash/lodash.js:3032:24) at /usr/local/lib/node_modules/node-red-nodegen/node_modules/lodash/lodash.js:4936:18 at Function.forEach (/usr/local/lib/node_modules/node-red-nodegen/node_modules/lodash/lodash.js:9410:14) at getViewForSwagger2 (/usr/local/lib/node_modules/node-red-nodegen/node_modules/swagger-js-codegen-formdata/lib/codegen.js:180:7)

Then i tried the yaml format file then then at firist the following output was displayed:

Error: Error: ENAMETOOLONG: name too long, open '---

after that the content on yaml and at end the following lines was displyed:

' at Object.openSync (fs.js:498:3) at Object.readFileSync (fs.js:394:35) at Function.Utils.getStringFromFile (/usr/local/lib/node_modules/node-red-nodegen/node_modules/yamljs/lib/Utils.js:284:19) at Function.Yaml.parseFile (/usr/local/lib/node_modules/node-red-nodegen/node_modules/yamljs/lib/Yaml.js:46:21) at Function.Yaml.load (/usr/local/lib/node_modules/node-red-nodegen/node_modules/yamljs/lib/Yaml.js:78:17) at getSpec (/usr/local/lib/node_modules/node-red-nodegen/lib/swagger/index.js:27:27) at Object.module.exports [as SwaggerNodeGenerator] (/usr/local/lib/node_modules/node-red-nodegen/lib/swagger/index.js:51:16)

[dceejay]

I think you need to convert openapi spec v3 to v2 first - see - https://github.com/node-red/node-red-nodegen/wiki#openapi-specification-30