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lit-element

A simple base class for creating fast, lightweight web components

v4.2.2, 23 Dec 2025BSD-3-ClauseESM onlyTypes: Bundled
$ npm install lit-element
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Key numbers

As of 25 Sept 2026
Weekly downloads
5.2m
+65% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
3
Direct, from package.json
Last release
9 months ago
v4.2.2
GitHub stars
21.8k
1.1k forks
Open issues / PRs
496 / 226
Contributors
-
Commits, last 52 weeks
46

Downloads

Last week 2026-09-15 to 2026-09-21
02m4m6m8mSept 2025Mar 2026Sept 2026High 6.9m (25 Aug 2026)Low 1.7m (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

5,212,933 downloads last week, 24,354,921 in the last month. The 12-month change of +65% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
158 in total
Latest version
4.2.2, 23 Dec 20259 months ago
First published
7 Sept 2017
Last push to GitHub
24 Sept 2026same day as the snapshot
Repository archived
No
Open issues
496
Open pull requests
226
Commits, last 52 weeks
46
Dependents on npm
-

Major versions

  1. v4 first release 4.0.0, 10 Oct 2023
  2. v3 first release 3.0.0, 21 Sept 2021
  3. v2 first release 2.0.0, 5 Feb 2019
  4. v0 first release 0.1.0, 8 Sept 2017
  5. v1 first release 1.0.0, 7 Sept 2017

Recent releases

VersionPublished
4.2.223 Dec 2025
4.2.111 Jul 2025
4.2.011 Apr 2025
4.1.17 Oct 2024
4.1.05 Aug 2024
4.0.64 Jun 2024
4.0.515 Apr 2024
4.0.431 Jan 2024
4.0.39 Jan 2024
4.0.216 Nov 2023
4.0.128 Oct 2023
4.0.010 Oct 2023
3.3.32 Aug 2023
3.3.226 Apr 2023

Compatibility

Module format
ESM onlyFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
121 kB
Dependencies (3)
lit-html@lit/reactive-element@lit-labs/ssr-dom-shim

Install

npm install lit-element

CDN

jsDelivr: 38.6m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/lit-element@4.2.2/
  • unpkghttps://unpkg.com/lit-element@4.2.2/
  • esm.shhttps://esm.sh/lit-element@4.2.2
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.