feat: create release schedule component

[araujogui]

Description

Create new release schedule component

Validation

Related Issues

Fixes #8101

Check List

• I have read the Contributing Guidelines and made commit messages that follow the guideline.
• I have run pnpm format to ensure the code follows the style guide.
• I have run pnpm test to check if all tests are passing.
• I have run pnpm build to check if the website builds without errors.
• I've covered new added functionality with unit tests if necessary.

[vercel]

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Project	Deployment	Review	Updated (UTC)
nodejs-org	Ready	Preview	Jan 16, 2026 3:19pm

[github-actions]

👋 Codeowner Review Request

The following codeowners have been identified for the changed files:

Team reviewers: @nodejs/nodejs-website @nodejs/web-infra

Please review the changes when you have a chance. Thank you! 🙏

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.98%. Comparing base (8c5a7dd) to head (e732e4d).
⚠️ Report is 22 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8529      +/-   ##
==========================================
+ Coverage   74.70%   74.98%   +0.27%     
==========================================
  Files         102      103       +1     
  Lines        8956     9042      +86     
  Branches      305      312       +7     
==========================================
+ Hits         6691     6780      +89     
+ Misses       2263     2260       -3     
  Partials        2        2              

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[Copilot]

Pull request overview

This PR replaces the static SVG image of the Node.js release schedule with a dynamically generated component that fetches schedule data from GitHub and renders it using the lts library.

Key Changes:

• Adds a new ReleaseSchedule React component that dynamically generates the schedule visualization
• Introduces a data provider to fetch release schedule JSON from the Node.js Release repository
• Replaces the static image reference in the MDX file with the new component

Reviewed changes

Copilot reviewed 7 out of 9 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
pnpm-lock.yaml	Adds lts package from GitHub repository along with its dependencies (d3, jsdom, svg2png, etc.)
apps/site/package.json	Declares the lts dependency from GitHub repository
apps/site/next.constants.mjs	Adds RELEASE_SCHEDULE_URL constant pointing to schedule.json
apps/site/next-data/generators/releaseSchedule.mjs	Creates fetch function for release schedule data
apps/site/next-data/providers/releaseSchedule.ts	Provides cached access to release schedule data
apps/site/components/Releases/ReleaseSchedule/index.tsx	Implements the ReleaseSchedule component with SVG generation
apps/site/mdx/components.mjs	Registers ReleaseSchedule component for MDX usage
apps/site/pages/en/about/previous-releases.mdx	Replaces static image with ReleaseSchedule component
apps/site/next-env.d.ts	Updates TypeScript reference path (appears unintentional)

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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[avivkeller]

📦 Build Size Comparison

Summary

Metric	Value
Old Total Size	3.74 MB
New Total Size	3.74 MB
Delta	2.00 B (0.00%)

Changes

➕ Added Assets (2)

Name	Size
.next/static/chunks/ae5ac7216ec5dc2c.js	13.14 KB
.next/static/chunks/baf851974b01018e.js	205.09 KB

➖ Removed Assets (2)

Name	Size
.next/static/chunks/8e52d09c82cd16e3.js	13.14 KB
.next/static/chunks/aa3451220184e985.js	205.09 KB

[avivkeller]

(I'll fix the comparator to comment on fork PRs)

[ovflowd]

@araujogui do we have a path forward?

[araujogui]

@araujogui do we have a path forward?

I'm waiting for the upstream to get merged.