Function createLanguageModel

typescript/src/model.ts:96–110

(env: Record<string, string | undefined>)

 * @returns An instance of `TypeChatLanguageModel`.
 */
export function createLanguageModel(env: Record<string, string | undefined>): TypeChatLanguageModel {
    if (env.OPENAI_API_KEY) {
        const apiKey = env.OPENAI_API_KEY ?? missingEnvironmentVariable("OPENAI_API_KEY");
        const model = env.OPENAI_MODEL ?? missingEnvironmentVariable("OPENAI_MODEL");
        const org = env.OPENAI_ORGANIZATION ?? "";
        const endPoint = env.OPENAI_ENDPOINT ?? "https://api.openai.com/v1/chat/completions";
        return createOpenAILanguageModel(apiKey, model, endPoint, org);
    }
    if (env.AZURE_OPENAI_API_KEY) {
        const apiKey = env.AZURE_OPENAI_API_KEY ?? missingEnvironmentVariable("AZURE_OPENAI_API_KEY");
        const endPoint = env.AZURE_OPENAI_ENDPOINT ?? missingEnvironmentVariable("AZURE_OPENAI_ENDPOINT");
        return createAzureOpenAILanguageModel(apiKey, endPoint);
    }
    missingEnvironmentVariable("OPENAI_API_KEY or AZURE_OPENAI_API_KEY");
}

/**
 * Creates a language model encapsulation of an OpenAI REST API endpoint.