@imjxsx/localdb

A lightweight MongoDB-style BSON database for Node.js

Fast, fully-typed, zero-dependency storage backed by BSON files.
Ideal for small apps, CLIs, bots, desktop tools, configs, caching, and offline data.

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📦 Installation

npm i @imjxsx/localdb
pnpm add @imjxsx/localdb
yarn add @imjxsx/localdb
bun add @imjxsx/localdb

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🚀 Example of use

import { LocalDB, IDocument } from "@imjxsx/localdb";

interface IUser extends IDocument {
  name: string;
  level: number;
}
const db = new LocalDB("data").db("app");

// Load file
await db.load();

// Obtain the collection or create it if it doesn't exist
const users = db.collection<IUser>("users");

// Insert
users.insertOne({ name: "Jxsx", level: 50 });
users.insertOne({ name: "Luz", level: 20 });

// Query
console.log(users.findOne({ name: "Jxsx" }));
console.log(users.find({ level: 20 }));

// Update
users.updateOne({ name: "Luz" }, { level: 30 });

// Delete
users.deleteOne({ name: "Jxsx" });

// Save file
await db.save();

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🛠 Requirements

• Node.js >= 20.0.0
• TypeScript (optional but recommended)

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📜 License

MIT © 2025 — Created & maintained by

I'm Jxsx