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Joist

A small (~2kb) library to help with the creation of web components and web component based applications

From joist-framework·Updated June 14, 2026·View on GitHub·

Web components are awesome! Joist is a set of small libraries designed to add the bare minimum to web components to make you as productive as possible. The entire project started years ago when I made my first attempt at bringing dependency injection (@joist/di) to Custom Elements as a way to share state between them. Along the way, several other packages were added to solve different challenges. The project is written primarily in TypeScript, first published in 2019. Key topics include: customelements, dependency-injection, typescript, webcomponents.

Joist

Web components are awesome! Joist is a set of small libraries designed to add the bare minimum to web components to make you as productive as possible. The entire project started years ago when I made my first attempt at bringing dependency injection (@joist/di) to Custom Elements as a way to share state between them. Along the way, several other packages were added to solve different challenges.

When you have to integrate with many different applications, many different frameworks with many different technologies you need a toolkit to help.
From SalesForce to ServiceNow to React you need to write JavaScript/TypeScript and you need tools to help.

This toolkit is here to help provide just the functionality you need and nothing more. Use with Lit, FAST, Vanilla WC, Node, wherever you find yourself.

Packages

PackageDescription
@joist/diSmall and Efficient dependency Injection
@joist/elementutilities for custom elements
@joist/observableObserve changes to class properties
@joist/templatingUse custom elements to display dynamic values

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Contributors

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This article is auto-generated from joist-framework/joist via the GitHub API.Last fetched: 6/15/2026