@sap-ai-sdk/langchain/dist/openai/chat.js

SAP Cloud SDK for AI is the official Software Development Kit (SDK) for **SAP AI Core**, **SAP Generative AI Hub**, and **Orchestration Service**.

import { AzureOpenAiChatClient as AzureOpenAiChatClientBase } from '@sap-ai-sdk/foundation-models';
import { BaseChatModel } from '@langchain/core/language_models/chat_models';
import { mapLangchainToAiClient, mapOutputToChatResult } from './util.js';
/**
 * LangChain chat client for Azure OpenAI consumption on SAP BTP.
 */
export class AzureOpenAiChatClient extends BaseChatModel {
    temperature;
    top_p;
    logit_bias;
    user;
    presence_penalty;
    frequency_penalty;
    stop;
    max_tokens;
    openAiChatClient;
    constructor(fields, destination) {
        super(fields);
        this.openAiChatClient = new AzureOpenAiChatClientBase(fields, destination);
        this.temperature = fields.temperature;
        this.top_p = fields.top_p;
        this.logit_bias = fields.logit_bias;
        this.user = fields.user;
        this.stop = fields.stop;
        this.presence_penalty = fields.presence_penalty;
        this.frequency_penalty = fields.frequency_penalty;
        this.max_tokens = fields.max_tokens;
    }
    _llmType() {
        return 'azure_openai';
    }
    async _generate(messages, options, runManager) {
        const res = await this.caller.callWithOptions({
            signal: options.signal
        }, () => this.openAiChatClient.run(mapLangchainToAiClient(this, messages, options), options.requestConfig));
        const content = res.getContent();
        // we currently do not support streaming
        await runManager?.handleLLMNewToken(typeof content === 'string' ? content : '');
        return mapOutputToChatResult(res.data);
    }
}
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