Function convertContentToAnthropic

web/src/app/api/v1/token-count/_post.ts:404–475

(
  content: any,
  role: 'user' | 'assistant',
)

}

export function convertContentToAnthropic(
  content: any,
  role: 'user' | 'assistant',
): any {
  if (typeof content === 'string') {
    return content
  }

  if (!Array.isArray(content)) {
    return JSON.stringify(content)
  }

  const anthropicContent: any[] = []

  for (const part of content) {
    if (part.type === 'text') {
      const text = part.text.trim()
      if (text) {
        anthropicContent.push({ type: 'text', text })
      }
    } else if (part.type === 'tool-call' && role === 'assistant') {
      anthropicContent.push({
        type: 'tool_use',
        id: part.toolCallId ?? 'unknown',
        name: part.toolName,
        input: part.input ?? {},
      })
    } else if (part.type === 'image') {
      // Handle image content - the image field can be base64 data or a URL string
      const imageData = part.image
      if (typeof imageData === 'string' && imageData) {
        if (
          imageData.startsWith('http://') ||
          imageData.startsWith('https://')
        ) {
          // URL-based image
          anthropicContent.push({
            type: 'image',
            source: {
              type: 'url',
              url: imageData,
            },
          })
        } else {
          // Base64 encoded image data
          anthropicContent.push({
            type: 'image',
            source: {
              type: 'base64',
              media_type: part.mediaType ?? 'image/png',
              data: imageData,
            },
          })
        }
      }
      // Skip images without valid data
    } else if (part.type === 'json') {
      const text =