@axarai/axar/dist/llm/model-factory.js

TypeScript-based agent framework for building agentic applications powered by LLMs

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getModel = getModel;
const providers_1 = require("./providers");
/**
 * Creates a language model instance based on the provider and model name.
 *
 * @param providerModel - A string in the format "provider:model_name" (e.g., "openai:gpt-4").
 * @returns A promise resolving to an instance of LanguageModelV1.
 * @throws {Error} If the provider:model format is invalid or provider is not found.
 *
 * @example
 * ```typescript
 * const model = await getModel('openai:gpt-4');
 * ```
 */
async function getModel(providerModel) {
    if (!providerModel) {
        throw new Error('Provider and model metadata not found. Please provide a valid provider:model_name string.');
    }
    const [provider, modelName] = providerModel.trim().split(':');
    if (!provider || !modelName) {
        throw new Error('Invalid format. Use "provider:model_name", e.g., "openai:gpt-3.5".');
    }
    const normalizedProvider = provider.toLowerCase();
    // Check if the provider exists in coreProviders
    if (providers_1.coreProviders[normalizedProvider]) {
        const providerFunction = providers_1.coreProviders[normalizedProvider];
        return providerFunction.languageModel(modelName); // Directly invoke the static provider
    }
    // Fallback to dynamic provider loading
    const providerFunction = await (0, providers_1.loadDynamicProvider)(normalizedProvider);
    return providerFunction.languageModel(modelName); // Invoke the dynamically loaded provider
}