Function getTokenUsage

src/utils/tokens.ts:7–20

(message: Message)

import { jsonStringify } from './slowOperations.js'

export function getTokenUsage(message: Message): Usage | undefined {
  if (
    message?.type === 'assistant' &&
    'usage' in message.message &&
    !(
      message.message.content[0]?.type === 'text' &&
      SYNTHETIC_MESSAGES.has(message.message.content[0].text)
    ) &&
    message.message.model !== SYNTHETIC_MODEL
  ) {
    return message.message.usage
  }
  return undefined
}

/**
 * Get the API response id for an assistant message with real (non-synthetic) usage.