Function getCurrentUsage

src/utils/tokens.ts:138–157

(messages: Message[])

}

export function getCurrentUsage(messages: Message[]): {
  input_tokens: number
  output_tokens: number
  cache_creation_input_tokens: number
  cache_read_input_tokens: number
} | null {
  for (let i = messages.length - 1; i >= 0; i--) {
    const message = messages[i]
    const usage = message ? getTokenUsage(message) : undefined
    if (usage) {
      return {
        input_tokens: usage.input_tokens,
        output_tokens: usage.output_tokens,
        cache_creation_input_tokens: usage.cache_creation_input_tokens ?? 0,
        cache_read_input_tokens: usage.cache_read_input_tokens ?? 0,
      }
    }
  }
  return null
}

export function doesMostRecentAssistantMessageExceed200k(
  messages: Message[],