https://github.com/maximilian27/moltendb-web

https://github.com/maximilian27/moltendb-web

angular db javascript localfirstweb offline-first opfs opfs-tools query-builder typescript wasm webassembly webworker

Last synced: about 5 hours ago
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• Host: GitHub
• URL: https://github.com/maximilian27/moltendb-web
• Owner: maximilian27
• License: mit
• Created: 2026-03-15T20:00:55.000Z (23 days ago)
• Default Branch: develop
• Last Pushed: 2026-04-06T07:44:34.000Z (1 day ago)
• Last Synced: 2026-04-06T09:46:20.940Z (1 day ago)
• Topics: angular, db, javascript, localfirstweb, offline-first, opfs, opfs-tools, query-builder, typescript, wasm, webassembly, webworker
• Language: TypeScript
• Homepage:
• Size: 1.41 MB
• Stars: 5
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE.md

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README

          
# MoltenDb Web



  


  ### 🌋 The Embedded Database for the Modern Web

  **This is the monorepo for MoltenDb Web — a high-performance Rust engine compiled to WASM with persistent storage via OPFS.**

  **Use it as a full-featured embedded database *or* as a persistent state manager — your app's data survives page reloads, browser crashes, and unexpected connection loss automatically.**

  [Interactive Demo](https://stackblitz.com/~/github.com/maximilian27/moltendb-wasm-demo?file=package.json) • [Original Repository](https://github.com/maximilian27/MoltenDb) • [License](LICENSE.md)

  [![NPM Version](https://img.shields.io/npm/v/@moltendb-web/core?style=flat-square&color=orange)](https://www.npmjs.com/package/@moltendb-web/core)

  [![License](https://img.shields.io/badge/license-MIT-green?style=flat-square)](LICENSE.md)

  [![WASM](https://img.shields.io/badge/wasm-optimized-magenta?style=flat-square)](https://webassembly.org/)



---

## Demos

### 🔬 Interactive Query Demo (Core & Query packages)

Explore the full MoltenDb query builder in a live, zero-setup environment:

- ⚡ **StackBlitz:** [Open Interactive Demo](https://stackblitz.com/~/github.com/maximilian27/moltendb-wasm-demo?file=package.json)

This demo lets you test the full query builder API — `get()`, `set()`, `update()`, `delete()`, `.where()`, `.fields()`, `.sort()`, `.joins()`, and more — directly in the browser against a real WASM-powered MoltenDb instance.

### 🅰️ Angular Demo App

A real-world Angular application showcasing the `@moltendb-web/angular` integration:

- 🔗 **Demo repo:** [github.com/maximilian27/moltendb-angular](https://github.com/maximilian27/moltendb-angular)

- ⚡ **StackBlitz:** [Open in StackBlitz](https://stackblitz.com/~/github.com/maximilian27/moltendb-angular)

- 🌐 **Live demo:** [moltendb-angular.maximilian-both27.workers.dev/laptops](https://moltendb-angular.maximilian-both27.workers.dev/laptops)

The demo app showcases two real-world scenarios:

- **`/laptops`** — A fully-featured data table with filtering, sorting, column visibility, field projection, and reactive summary stats using `moltenDbResource`.

- **`/stress-test`** — A benchmarking page measuring MoltenDB CRUD performance (bulk writes, reads, filtered/sorted queries, updates, and deletes) displayed as ops/sec.

---

## Packages

This monorepo contains the following packages. Please refer to their individual READMEs for detailed documentation, usage examples, and API references.

| Package | Description | README |

|---------|-------------|--------|

| [`@moltendb-web/core`](packages/core) | Core WASM engine — low-level database bindings | [README](packages/core/README.md) |

| [`@moltendb-web/query`](packages/query) | Query builder — ergonomic API on top of core | [README](packages/query/README.md) |

| [`@moltendb-web/angular`](packages/angular) | Angular integration — reactive Signals, resources, and DI | [README](packages/angular/README.md) |