Handle FileRouter SDK Errors Gracefully

import { FileRouterError } from '@file_router/sdk'

import { FileRouter, FileRouterError } from '@file_router/sdk'
import { llamaparse } from '@file_router/sdk/llamaparse'

const router = new FileRouter({
  providers: { llamaparse: llamaparse() },
})

try {
  const result = await router.parse('https://example.com/report.pdf', {
    provider: 'llamaparse',
    outputs: ['markdown'],
  })
  console.log(result.outputs.markdown)
} catch (error) {
  if (error instanceof FileRouterError) {
    switch (error.code) {
      case 'Auth':
        console.error('Missing or invalid API key. Check LLAMA_CLOUD_API_KEY.')
        break
      case 'RateLimit':
        console.error('Rate limit hit — back off and retry.')
        break
      case 'Timeout':
        console.error('Parse job timed out. Try increasing timeoutMs.')
        break
      case 'ParseFailed':
        console.error(`Parse failed (provider: ${error.providerId}):`, error.message)
        break
      case 'ProviderUnsupportedOutput':
        console.error(`Output not supported by ${error.providerId}:`, error.message)
        break
      default:
        console.error(`FileRouter error [${error.code}]:`, error.message, error.cause)
    }
  } else {
    // Something unexpected — rethrow
    throw error
  }
}

const comparison = await router.compare('https://example.com/invoice.pdf', {
  outputs: ['markdown'],
})

for (const entry of comparison.providers) {
  if (entry.status !== 'parsed') {
    console.warn(
      `Provider ${entry.provider} ${entry.status}:`,
      entry.error?.code,
      entry.error?.message
    )
  }
}