Function formatContentTypes

packages/llm/src/protocols/shared.ts:285–289

(types: ReadonlyArray<ContentType>)

type ContentType = ContentPart["type"]

const formatContentTypes = (types: ReadonlyArray<ContentType>) => {
  if (types.length <= 1) return types[0] ?? ""
  if (types.length === 2) return `${types[0]} and ${types[1]}`
  return `${types.slice(0, -1).join(", ")}, and ${types.at(-1)}`
}

export const supportsContent = <const Type extends ContentType>(
  part: ContentPart,