langcode/dist/plugins/textLoader/textLoaderPlugin.js

A Plugin-Based Framework for Managing and Using LangChain

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const text_1 = require("langchain/document_loaders/fs/text");
const types_1 = require("../../types");
class TextLoaderPlugin {
    constructor() {
        this.name = "textLoader";
        this.description = "Loads plain text files from the file system.";
        this.type = types_1.PluginType.Loader;
        this.RunConfigExample = {};
        this.InitConfigExample = {
            path: "./example.txt",
        };
        this.loader = null;
    }
    expose() {
        return {
            name: this.name,
            description: this.description,
            type: this.type,
            InitConfigExample: this.InitConfigExample,
            RunConfigExample: this.RunConfigExample,
            loader: this.loader,
        };
    }
    async init(config) {
        this.loader = new text_1.TextLoader(config.path);
    }
    async run(args) {
        if (!this.loader)
            throw new Error("TextLoader is not initialized.");
        const docs = await this.loader.load();
        return docs.map((d) => d.pageContent).join("\n");
    }
}
exports.default = TextLoaderPlugin;