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SQLocal

SQLocal makes it easy to run SQLite3 in the browser, backed by the origin private file system. It wraps the WebAssembly build of SQLite3 and gives you a simple interface to interact with databases running on device.

Documentation - GitHub - NPM - Fund

Features

• 🔎 Locally executes any query that SQLite3 supports • 🧵 Runs the SQLite engine in a web worker so queries do not block the main thread • 📂 Persists data to the origin private file system, which is optimized for fast file I/O • 🚀 Simple API; just name your database and start running SQL queries • ⚡️ Subscribe to query results and receive changes, even across tabs • 🔒 Each user can have their own private database instance • 🛠️ Works with Kysely and Drizzle ORM for making type-safe queries • 🤝 Get set up quickly with hooks for UI frameworks and a Vite plugin

Examples

Log:

Or, you can use SQLocal as a driver for Kysely or Drizzle ORM to make fully-typed queries.

Kysely

See the Kysely documentation for getting started.

Drizzle

See the Drizzle ORM documentation for declaring your schema and making queries.

Install

Install the SQLocal package in your application using your package manager.

Cross-Origin Isolation

In order to persist data to the origin private file system, this package relies on APIs that require cross-origin isolation, so the page you use this package on must be served with the following HTTP headers. Otherwise, the browser will block access to the origin private file system.

How this is configured will depend on what web server or hosting service your application uses. If your development server uses Vite, see the configuration below.

Vite Configuration

Vite needs some additional configuration to handle web worker files correctly. If you or your framework uses Vite as your build tool, you can use SQLocal's Vite plugin to set this up.

The plugin will also enable cross-origin isolation (required for origin private file system persistence) for the Vite development server by default. Just don't forget to also configure your _production_ web server to use the same HTTP headers.

Import the plugin from sqlocal/vite and add it to your Vite configuration.

Description from the npm listing.