Class ApifyDatasetLoader<Metadata>

Deprecated

• Import from "@langchain/community/document_loaders/web/apify_dataset" instead. This entrypoint will be removed in 0.3.0. A class that extends the BaseDocumentLoader and implements the DocumentLoader interface. It represents a document loader that loads documents from an Apify dataset.

Example

const loader = new ApifyDatasetLoader("your-dataset-id", {
  datasetMappingFunction: (item) =>
    new Document({
      pageContent: item.text || "",
      metadata: { source: item.url },
    }),
  clientOptions: {
    token: "your-apify-token",
  },
});

const docs = await loader.load();

const chain = new RetrievalQAChain();
const res = await chain.invoke({ query: "What is LangChain?" });

console.log(res.text);
console.log(res.sourceDocuments.map((d) => d.metadata.source));
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