54 lines
2.1 KiB
TypeScript
54 lines
2.1 KiB
TypeScript
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import type { BaseLanguageModelInterface } from "@langchain/core/language_models/base";
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import type { EmbeddingsInterface } from "@langchain/core/embeddings";
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import { AxiosRequestConfig } from "axios";
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import { CallbackManager, CallbackManagerForToolRun } from "@langchain/core/callbacks/manager";
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import { Tool, ToolParams } from "@langchain/core/tools";
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import { TextSplitter } from "../text_splitter.js";
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export declare const parseInputs: (inputs: string) => [string, string];
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export declare const getText: (html: string, baseUrl: string, summary: boolean) => string;
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type Headers = Record<string, any>;
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/**
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* Defines the arguments that can be passed to the WebBrowser constructor.
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* It extends the ToolParams interface and includes properties for a
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* language model, embeddings, HTTP headers, an Axios configuration, a
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* callback manager, and a text splitter.
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*/
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export interface WebBrowserArgs extends ToolParams {
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model: BaseLanguageModelInterface;
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embeddings: EmbeddingsInterface;
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headers?: Headers;
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axiosConfig?: Omit<AxiosRequestConfig, "url">;
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/** @deprecated */
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callbackManager?: CallbackManager;
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textSplitter?: TextSplitter;
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}
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/**
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* A class designed to interact with web pages, either to extract
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* information from them or to summarize their content. It uses the axios
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* library to send HTTP requests and the cheerio library to parse the
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* returned HTML.
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* @example
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* ```typescript
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* const browser = new WebBrowser({
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* model: new ChatOpenAI({ temperature: 0 }),
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* embeddings: new OpenAIEmbeddings({}),
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* });
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* const result = await browser.invoke("https:exampleurl.com");
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* ```
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*/
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export declare class WebBrowser extends Tool {
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static lc_name(): string;
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get lc_namespace(): string[];
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private model;
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private embeddings;
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private headers;
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private axiosConfig;
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private textSplitter;
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constructor({ model, headers, embeddings, axiosConfig, textSplitter, }: WebBrowserArgs);
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/** @ignore */
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_call(inputs: string, runManager?: CallbackManagerForToolRun): Promise<string>;
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name: string;
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description: string;
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}
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export {};
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