@langchain/community
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Third-party integrations for LangChain.js
71 lines (70 loc) • 2.67 kB
JavaScript
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const require_runtime = require("../../_virtual/_rolldown/runtime.cjs");
let _langchain_core_utils_env = require("@langchain/core/utils/env");
let _langchain_core_documents = require("@langchain/core/documents");
let _langchain_core_document_loaders_base = require("@langchain/core/document_loaders/base");
let _spider_cloud_spider_client = require("@spider-cloud/spider-client");
//#region src/document_loaders/web/spider.ts
var spider_exports = /* @__PURE__ */ require_runtime.__exportAll({ SpiderLoader: () => SpiderLoader });
/**
* Class representing a document loader for loading data from
* Spider (spider.cloud). It extends the BaseDocumentLoader class.
* @example
* ```typescript
* const loader = new SpiderLoader({
* url: "{url}",
* apiKey: "{apiKey}",
* mode: "crawl"
* });
* const docs = await loader.load();
* ```
*/
var SpiderLoader = class extends _langchain_core_document_loaders_base.BaseDocumentLoader {
apiKey;
url;
mode;
params;
constructor(loaderParams) {
super();
const { apiKey = (0, _langchain_core_utils_env.getEnvironmentVariable)("SPIDER_API_KEY"), url, mode = "scrape", params } = loaderParams;
if (!apiKey) throw new Error("Spider API key not set. You can set it as SPIDER_API_KEY in your .env file, or pass it to Spider.");
this.apiKey = apiKey;
this.url = url;
this.mode = mode;
this.params = params || {
metadata: true,
return_format: "markdown"
};
}
/**
* Loads the data from the Spider.
* @returns An array of Documents representing the retrieved data.
* @throws An error if the data could not be loaded.
*/
async load() {
const app = new _spider_cloud_spider_client.Spider({ apiKey: this.apiKey });
let spiderDocs;
if (this.mode === "scrape") {
const response = await app.scrapeUrl(this.url, this.params);
if (response.error) throw new Error(`Spider: Failed to scrape URL. Error: ${response.error}`);
spiderDocs = response;
} else if (this.mode === "crawl") {
const response = await app.crawlUrl(this.url, this.params);
if (response.error) throw new Error(`Spider: Failed to crawl URL. Error: ${response.error}`);
spiderDocs = response;
} else throw new Error(`Unrecognized mode '${this.mode}'. Expected one of 'crawl', 'scrape'.`);
return spiderDocs.map((doc) => new _langchain_core_documents.Document({
pageContent: doc.content || "",
metadata: doc.metadata || {}
}));
}
};
//#endregion
exports.SpiderLoader = SpiderLoader;
Object.defineProperty(exports, "spider_exports", {
enumerable: true,
get: function() {
return spider_exports;
}
});
//# sourceMappingURL=spider.cjs.map