Sorted Containers for JavaScript

Work in progress.

Status: All three types of containers work. Published on npm. Polish pending.

sorted-containers is an MIT-licensed ordered collections library written in JavaScript. It aims to be the fastest of its kind.

This library is heavily inspired by the sortedcontainers Python library by Grant Jenks.

Features

• 0 dependencies
• 100% TypeScript
• Isomorphic among browsers, Node.js, and other runtimes

Quick Start

Installing sorted-containers is simple with npm:

npm install sorted-containers
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You can access documentation in your editor with IntelliSense for TypeScript. The API is fully documented and discoverable.

Documentation

Complete documentation for sorted-containers is available at https://satgo1546.github.io/sorted-containers/.

Resources

• documentation
• sorted-containers on npm
• sorted-containers on GitHub
• issue tracker
• release notes

In Other Languages

• sortedcontainers for Python by Grant Jenks
• sorted_containers for Ruby by Garrison Jensen

License

Copyright © 2025 Frog Chen. Licensed under the MIT license.