FilesKnowledgeBase.ts•1.39 kB
/**
* Copyright (C) 2025 by Fonoster Inc (https://fonoster.com)
* http://github.com/fonoster/fonoster
*
* This file is part of Fonoster
*
* Licensed under the MIT License (the "License");
* you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/MIT
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { PDFLoader } from "@langchain/community/document_loaders/fs/pdf";
import { Embeddings } from "@langchain/core/embeddings";
import { AbstractKnowledgeBase } from "./AbstractKnowledgeBase";
class FilesKnowledgeBase extends AbstractKnowledgeBase {
constructor(private params: { embeddings?: Embeddings; files: string[] }) {
super(params);
this.params = params;
}
async getLoaders(): Promise<PDFLoader[]> {
const { files } = this.params;
if (!files.every((file) => file.endsWith(".pdf"))) {
throw new Error("Only PDF files are supported");
}
return files.map(
(file: string) => new PDFLoader(file, { splitPages: false })
);
}
}
export { FilesKnowledgeBase };