@jackhua/mini-langchain/dist/document_loaders/text.js

A lightweight TypeScript implementation of LangChain with cost optimization features

"use strict";
/**
 * Text document loader
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.TextLoader = void 0;
const promises_1 = require("fs/promises");
const base_1 = require("./base");
/**
 * Load text files
 */
class TextLoader extends base_1.BaseFileLoader {
    constructor(filePath, encoding = 'utf-8') {
        super(filePath);
        this.encoding = encoding;
    }
    async load() {
        try {
            const text = await (0, promises_1.readFile)(this.filePath, this.encoding);
            const metadata = {
                source: this.filePath,
                encoding: this.encoding
            };
            return [{
                    pageContent: text,
                    metadata
                }];
        }
        catch (error) {
            throw new Error(`Failed to load file ${this.filePath}: ${error}`);
        }
    }
}
exports.TextLoader = TextLoader;
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