import { BaseLanguageModel } from "langchain/dist/base_language"; import { PDFBrowser } from "@/app/api/langchain-tools/pdf_browser"; import { Embeddings } from "langchain/dist/embeddings/base.js"; import { ArxivAPIWrapper } from "@/app/api/langchain-tools/arxiv"; import { DallEAPINodeWrapper } from "@/app/api/langchain-tools/dalle_image_generator_node"; import { StableDiffusionNodeWrapper } from "@/app/api/langchain-tools/stable_diffusion_image_generator_node"; import { Calculator } from "langchain/tools/calculator"; import { WebBrowser } from "langchain/tools/webbrowser"; import { WolframAlphaTool } from "@/app/api/langchain-tools/wolframalpha"; export class NodeJSTool { private apiKey: string | undefined; private baseUrl: string; private model: BaseLanguageModel; private embeddings: Embeddings; private callback?: (data: string) => Promise; constructor( apiKey: string | undefined, baseUrl: string, model: BaseLanguageModel, embeddings: Embeddings, callback?: (data: string) => Promise, ) { this.apiKey = apiKey; this.baseUrl = baseUrl; this.model = model; this.embeddings = embeddings; this.callback = callback; } async getCustomTools(): Promise { const webBrowserTool = new WebBrowser({ model: this.model, embeddings: this.embeddings, }); const calculatorTool = new Calculator(); const dallEAPITool = new DallEAPINodeWrapper( this.apiKey, this.baseUrl, this.callback, ); const stableDiffusionTool = new StableDiffusionNodeWrapper(); const arxivAPITool = new ArxivAPIWrapper(); const wolframAlphaTool = new WolframAlphaTool(); const pdfBrowserTool = new PDFBrowser(this.model, this.embeddings); let tools = [ calculatorTool, webBrowserTool, dallEAPITool, stableDiffusionTool, arxivAPITool, wolframAlphaTool, pdfBrowserTool, ]; return tools; } }