Add JSDoc types to internal scripts

[lukastaegert]

This PR contains:

• bugfix
• feature
• refactor
• documentation
• other

Are tests included?

• yes (bugfixes and features will not be merged without tests)
• no

Breaking Changes?

• yes (breaking changes will not be merged unless absolutely necessary)
• no

List any relevant issue numbers:

Description

This adds (strict) JSDocs types to all scripts in the scripts folder. This will hopefully help as I want to add some scripts to generate AST transformation code to ensure that encoders and decoders are always synced.

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
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[github-actions]

Thank you for your contribution! ❤️

You can try out this pull request locally by installing Rollup via

npm install rollup/rollup#script-types

Notice: Ensure you have installed Rust nightly. If you haven't installed it yet, please first see https://www.rust-lang.org/tools/install to learn how to download Rustup and install Rust, then see https://rust-lang.github.io/rustup/concepts/channels.html to learn how to install Rust nightly.

or load it into the REPL:
https://rollup-llz7xngiw-rollup-js.vercel.app/repl/?pr=5305

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (d56ac63) 98.82% compared to head (ae78890) 98.82%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5305   +/-   ##
=======================================
  Coverage   98.82%   98.82%           
=======================================
  Files         232      232           
  Lines        8974     8974           
  Branches     2338     2338           
=======================================
  Hits         8869     8869           
  Misses         46       46           
  Partials       59       59           

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[github-actions]

This PR has been released as part of rollup@4.9.2. You can test it via npm install rollup.