fix(types): explicit reexport & strict equality. <!-- Thank you for contributing to Pyodide! All improvements are welcome,
     so don't be afraid to make a PR. -->

### Description

<!-- Please explain what your PR is about:
     - reasoning for the change
     - some details of updated code
     - any noteworthy choices to be aware of
	Please refer to any related issues by #<issue_id> -->

Enabling two more strictness flags.

[core]
	repositoryformatversion = 0
	filemode = true
	bare = false
	logallrefupdates = true
[remote "origin"]
	url = https://github.com/pyodide/pyodide.git
	fetch = +refs/heads/*:refs/remotes/origin/*
	gh-resolved = base
[branch "main"]
	remote = origin
	merge = refs/heads/main

[core]
	repositoryformatversion = 0
	filemode = true
	bare = false
	logallrefupdates = true
[remote "origin"]
	url = https://github.com/pyodide/pyodide.git
	fetch = +refs/heads/*:refs/remotes/origin/*
	gh-resolved = base
[branch "main"]
	remote = origin
	merge = refs/heads/main
