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spread-discriminated-model

Full name
@azure-tools/typespec-azure-core/spread-discriminated-model

A model using @discriminator is meant to be used in a polymorphic context. It should be extended to represent the relation. Spreading this model is a sign that either the @discriminator decorator is unnecessary or that model extends should have been used instead.

❌ Incorrect

Section titled “❌ Incorrect”
@discriminator("kind")
model Pet {
  kind: string;
}


model Cat {
  ...Pet;
  meow: boolean;
}

✅ Correct

Section titled “✅ Correct”
model Pet {
  kind: string;
}


model Cat {
  ...Pet;
  meow: boolean;
}
@discriminator("kind")
model Pet {
  kind: string;
}


model Cat extends Pet {
  kind: "cat";
  meow: boolean;
}