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This example goes over how to load data from EPUB files. By default, one document will be created for each chapter in the EPUB file, you can change this behavior by setting the splitChapters option to false.

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Setup

npm
npm install @langchain/community @langchain/core epub2 html-to-text

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Usage, one document per chapter

import { EPubLoader } from "@langchain/community/document_loaders/fs/epub";

const loader = new EPubLoader("src/document_loaders/example_data/example.epub");

const docs = await loader.load();

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Usage, one document per file

import { EPubLoader } from "@langchain/community/document_loaders/fs/epub";

const loader = new EPubLoader(
  "src/document_loaders/example_data/example.epub",
  {
    splitChapters: false,
  }
);

const docs = await loader.load();
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