feat(jsx): add jsx generator

[avivkeller]

This PR introduces a jsx generator that transforms Markdown AST and metadata entries into a JSX (recma) AST (with a root of Program), which can then be compiled by the react-web generator from #7.

The JSX generator produces AST that assumes the following components have been implemented:

• CodeBox: Implementation matches nodejs.org CodeBox
• CodeTabs: Implementation matches nodejs.org CodeTabs
• Blockquote: Import from @node-core/ui-components/Common/Blockquote
• AlertBox: Import from @node-core/ui-components/Common/AlertBox
• CircularIcon: Accepts:
  • symbol: Icon emblem (e.g., "C" or "E")
  • color: Icon color (e.g., "red" or "#FFFFF")
  Design

  
• ChangeHistory: Similar to @node-core/ui-components/Common/Select, accepts:
  • changes: Array of { versions: string[], label: string, url?: string } (where versions[] contains semver strings like v1.2.3)
  Design

  
• NavBar: Wrapper of @node-core/ui-components/Containers/NavBar, accepts no props
• Footer: Wrapper of @node-core/ui-components/Containers/Footer, accepts no props
• Article: Import from @node-core/ui-components/Containers/Article
• SideBar: Similar to @node-core/ui-components/Container/SideBar, accepts:
  • versions: Array of versions (e.g., v20.0.0) where the document exists
  • currentVersion: Current documentation version (e.g., v20.1.0)
  • currentPage: Current page (e.g., async_context.html) for highlighting in the sidebar
  • docPages: Array of [{ title: string, headings: [title, hash][], doc: string }] pairs (e.g., { title: "Globals", headers: [["someGlobal", "#some-global"]], doc: "globals.html"})
  Design

  
• MetaBar: Wrapper of @node-core/ui-components/Containers/MetaBar, accepts:
  • headings: Array of { depth: number, value: string } for table of contents
  • addedIn: Version when doc/module was added (e.g., v0.10.0)
  • readingTime: String like "9 min read"
  • viewAs: Array of ["Type", "URL"] pairs (currently only supports ["JSON", "globals.json"])
  • editThisPage: GitHub URL for editing the page

As a reminder, the Figma design is:

As of 5/26/25, the generated AST is: https://aviv.sh/hostables/nodejs/1748274862-jsx-ast.json

[AugustinMauroy]

Interesting basic, don't miss to add some test

[avivkeller]

I'm working on skipping the MDX and going to straight to JSX, so I'll add lots of tests when that's started

[avivkeller]

This uses pnpm for now, see #236 for reference. If we do adopt pnpm, it would be a seperate PR, this is just for development.

[ovflowd]

I've left a final round of comments; After that LGTM. But only approving the PR once the git-deps issue is addressed (either by the upstream npm publish or incorporating git-deps on @.pkgjs/@.nodejs)

[AugustinMauroy]

maybe add little bit more test

This review was specific to a security concern, which has since been resolved.