Function formatMessagesForProvider

apps/sim/providers/attachments.ts:687–719

(
  messages: ProviderMessageInput[],
  providerId: ProviderId | string
)

])

export function formatMessagesForProvider(
  messages: ProviderMessageInput[],
  providerId: ProviderId | string
): ProviderFormattedMessage[] {
  const provider = getAttachmentProvider(providerId)
  if (provider && SDK_NATIVE_ATTACHMENT_PROVIDERS.has(provider)) {
    return messages as ProviderFormattedMessage[]
  }

  return messages.map((message) => {
    if (!message.files?.length || (message.role !== 'user' && message.role !== 'assistant')) {
      return message as ProviderFormattedMessage
    }

    if (provider === 'openrouter') {
      const { files: _omit, ...rest } = message
      return {
        ...rest,
        content: buildOpenRouterMessageContent(message.content, message.files, providerId) as
          | string
          | Array<Record<string, unknown>>,
      }
    }

    const { files: _omit, ...rest } = message
    return {
      ...rest,
      content: buildOpenAICompatibleChatContent(message.content, message.files, providerId) as
        | string
        | Array<Record<string, unknown>>,
    }
  })
}