@ai-sdk/openai/src/completion/map-openai-finish-reason.ts

The **[OpenAI provider](https://ai-sdk.dev/providers/ai-sdk-providers/openai)** for the [AI SDK](https://ai-sdk.dev/docs) contains language model support for the OpenAI chat and completion APIs and embedding model support for the OpenAI embeddings API.

import { LanguageModelV3FinishReason } from '@ai-sdk/provider';

export function mapOpenAIFinishReason(
  finishReason: string | null | undefined,
): LanguageModelV3FinishReason['unified'] {
  switch (finishReason) {
    case 'stop':
      return 'stop';
    case 'length':
      return 'length';
    case 'content_filter':
      return 'content-filter';
    case 'function_call':
    case 'tool_calls':
      return 'tool-calls';
    default:
      return 'other';
  }
}