ctr-backoffice-backend v0.7.x UnhandledPromiseRejectionWarning: Error: A circular dependency has been detected (property key: "questionType"). Please, make sure that each side of a bidirectional relationships are using lazy resolvers ("type: () => ClassType").

[joaoluis-pdm]

Commit 7c8ef62
causes this error message.

...
[Nest] 48564   - 08/18/2021, 6:45:38 PM   [InstanceLoader] CTrialModule dependencies initialized +1ms
(node:48564) UnhandledPromiseRejectionWarning: Error: A circular dependency has been detected (property key: "questionType"). Please, make sure that each side of a bidirectional relationships are using lazy resolvers ("type: () => ClassType").
    at SchemaObjectFactory.createNotBuiltInTypeReference (/export/home/jpsl/develop/PharmaLedger/ctr-workspace/ctr-backoffice-backend/node_modules/@nestjs/swagger/dist/services/schema-object-factory.js:212:19)
    at SchemaObjectFactory.mergePropertyWithMetadata (/export/home/jpsl/develop/PharmaLedger/ctr-workspace/ctr-backoffice-backend/node_modules/@nestjs/swagger/dist/services/schema-object-factory.js:143:25)
    at /export/home/jpsl/develop/PharmaLedger/ctr-workspace/ctr-backoffice-backend/node_modules/@nestjs/swagger/dist/services/schema-object-factory.js:79:35
    at Array.map (<anonymous>)
    at SchemaObjectFactory.extractPropertiesFromType (/export/home/jpsl/develop/PharmaLedger/ctr-workspace/ctr-backoffice-backend/node_modules/@nestjs/swagger/dist/services/schema-object-factory.js:78:52)
    at SchemaObjectFactory.exploreModelSchema (/export/home/jpsl/develop/PharmaLedger/ctr-workspace/ctr-backoffice-backend/node_modules/@nestjs/swagger/dist/services/schema-object-factory.js:92:41)
    at SchemaObjectFactory.createNotBuiltInTypeReference (/export/home/jpsl/develop/PharmaLedger/ctr-workspace/ctr-backoffice-backend/node_modules/@nestjs/swagger/dist/services/schema-object-factory.js:217:37)
    at SchemaObjectFactory.mergePropertyWithMetadata (/export/home/jpsl/develop/PharmaLedger/ctr-workspace/ctr-backoffice-backend/node_modules/@nestjs/swagger/dist/services/schema-object-factory.js:143:25)
    at /export/home/jpsl/develop/PharmaLedger/ctr-workspace/ctr-backoffice-backend/node_modules/@nestjs/swagger/dist/services/schema-object-factory.js:79:35
    at Array.map (<anonymous>)
(Use `node --trace-warnings ...` to show where the warning was created)
...

[joaoluis-pdm]

Seems related to typeorm/typeorm#4190

[joaoluis-pdm]

98c9a21 seems to work around the bug - based on typeorm/typeorm#4190 (comment) - but it seems not a proper solution.