Function createModel

packages/ai/src/extend-adapter.ts:116–131

(
  name: string,
  second: ReadonlyArray<Modality> | ModelCapabilities,
)

>
// Implementation
export function createModel(
  name: string,
  second: ReadonlyArray<Modality> | ModelCapabilities,
): ExtendedModelDef {
  if (Array.isArray(second)) {
    return { name, input: second, modelOptions: {} }
  }
  const caps = second as ModelCapabilities
  return {
    name,
    input: caps.input ?? (['text'] as ReadonlyArray<Modality>),
    modelOptions: caps.modelOptions ?? {},
    features: caps.features,
    tools: caps.tools,
  }
}

// ===========================
// Type Extraction Utilities