LibreChat/packages/data-provider/src/config.ts

import { z } from 'zod';
import { EModelEndpoint, eModelEndpointSchema } from './schemas';

export const endpointSchema = z.object({
  name: z.string().refine((value) => !eModelEndpointSchema.safeParse(value).success, {
    message: `Value cannot be one of the default endpoint (EModelEndpoint) values: ${Object.values(
      EModelEndpoint,
    ).join(', ')}`,
  }),
  apiKey: z.string(),
  baseURL: z.string(),
  models: z.object({
    default: z.array(z.string()).min(1),
    fetch: z.boolean().optional(),
  }),
  titleConvo: z.boolean().optional(),
  titleMethod: z.union([z.literal('completion'), z.literal('functions')]).optional(),
  titleModel: z.string().optional(),
  summarize: z.boolean().optional(),
  summaryModel: z.string().optional(),
  forcePrompt: z.boolean().optional(),
  modelDisplayLabel: z.string().optional(),
});

export const configSchema = z.object({
  version: z.string(),
  cache: z.boolean(),
  endpoints: z
    .object({
      custom: z.array(endpointSchema.partial()),
    })
    .strict(),
});

export enum KnownEndpoints {
  mistral = 'mistral',
  openrouter = 'openrouter',
}

export const defaultEndpoints: EModelEndpoint[] = [
  EModelEndpoint.openAI,
  EModelEndpoint.assistant,
  EModelEndpoint.azureOpenAI,
  EModelEndpoint.bingAI,
  EModelEndpoint.chatGPTBrowser,
  EModelEndpoint.gptPlugins,
  EModelEndpoint.google,
  EModelEndpoint.anthropic,
  EModelEndpoint.custom,
];

export const alternateName = {
  [EModelEndpoint.openAI]: 'OpenAI',
  [EModelEndpoint.assistant]: 'Assistants',
  [EModelEndpoint.azureOpenAI]: 'Azure OpenAI',
  [EModelEndpoint.bingAI]: 'Bing',
  [EModelEndpoint.chatGPTBrowser]: 'ChatGPT',
  [EModelEndpoint.gptPlugins]: 'Plugins',
  [EModelEndpoint.google]: 'Google',
  [EModelEndpoint.anthropic]: 'Anthropic',
  [EModelEndpoint.custom]: 'Custom',
};

export const defaultModels = {
  [EModelEndpoint.google]: [
    'gemini-pro',
    'gemini-pro-vision',
    'chat-bison',
    'chat-bison-32k',
    'codechat-bison',
    'codechat-bison-32k',
    'text-bison',
    'text-bison-32k',
    'text-unicorn',
    'code-gecko',
    'code-bison',
    'code-bison-32k',
  ],
  [EModelEndpoint.anthropic]: [
    'claude-2.1',
    'claude-2',
    'claude-1.2',
    'claude-1',
    'claude-1-100k',
    'claude-instant-1',
    'claude-instant-1-100k',
  ],
  [EModelEndpoint.openAI]: [
    'gpt-3.5-turbo-16k-0613',
    'gpt-3.5-turbo-16k',
    'gpt-4-1106-preview',
    'gpt-3.5-turbo',
    'gpt-3.5-turbo-1106',
    'gpt-4-vision-preview',
    'gpt-4',
    'gpt-3.5-turbo-instruct-0914',
    'gpt-3.5-turbo-0613',
    'gpt-3.5-turbo-0301',
    'gpt-3.5-turbo-instruct',
    'gpt-4-0613',
    'text-davinci-003',
    'gpt-4-0314',
  ],
};

export const EndpointURLs: { [key in EModelEndpoint]: string } = {
  [EModelEndpoint.openAI]: `/api/ask/${EModelEndpoint.openAI}`,
  [EModelEndpoint.bingAI]: `/api/ask/${EModelEndpoint.bingAI}`,
  [EModelEndpoint.google]: `/api/ask/${EModelEndpoint.google}`,
  [EModelEndpoint.custom]: `/api/ask/${EModelEndpoint.custom}`,
  [EModelEndpoint.anthropic]: `/api/ask/${EModelEndpoint.anthropic}`,
  [EModelEndpoint.gptPlugins]: `/api/ask/${EModelEndpoint.gptPlugins}`,
  [EModelEndpoint.azureOpenAI]: `/api/ask/${EModelEndpoint.azureOpenAI}`,
  [EModelEndpoint.chatGPTBrowser]: `/api/ask/${EModelEndpoint.chatGPTBrowser}`,
  [EModelEndpoint.assistant]: '/api/assistants/chat',
};

export const modularEndpoints = new Set<EModelEndpoint | string>([
  EModelEndpoint.gptPlugins,
  EModelEndpoint.anthropic,
  EModelEndpoint.google,
  EModelEndpoint.openAI,
  EModelEndpoint.azureOpenAI,
  EModelEndpoint.custom,
]);

export const supportsFiles = {
  [EModelEndpoint.openAI]: true,
  [EModelEndpoint.google]: true,
  [EModelEndpoint.assistant]: true,
  [EModelEndpoint.azureOpenAI]: true,
  [EModelEndpoint.custom]: true,
};

export const supportsBalanceCheck = {
  [EModelEndpoint.openAI]: true,
  [EModelEndpoint.azureOpenAI]: true,
  [EModelEndpoint.gptPlugins]: true,
  [EModelEndpoint.custom]: true,
};

export const visionModels = ['gpt-4-vision', 'llava-13b', 'gemini-pro-vision'];

/**
 * Enum for cache keys.
 */
export enum CacheKeys {
  /**
   * Key for the config store namespace.
   */
  CONFIG_STORE = 'configStore',
  /**
   * Key for the plugins cache.
   */
  PLUGINS = 'plugins',
  /**
   * Key for the model config cache.
   */
  MODELS_CONFIG = 'modelsConfig',
  /**
   * Key for the default endpoint config cache.
   */
  ENDPOINT_CONFIG = 'endpointsConfig',
  /**
   * Key for the custom config cache.
   */
  CUSTOM_CONFIG = 'customConfig',
  /**
   * Key for the override config cache.
   */
  OVERRIDE_CONFIG = 'overrideConfig',
}

/**
 * Enum for authentication keys.
 */
export enum AuthKeys {
  /**
   * Key for the Service Account to use Vertex AI.
   */
  GOOGLE_SERVICE_KEY = 'GOOGLE_SERVICE_KEY',
  /**
   * API key to use Google Generative AI.
   */
  GOOGLE_API_KEY = 'GOOGLE_API_KEY',
}