Named exports

[birkskyum]

I left the config files rollup/jest/eslint, but everything else is named exports. I've sometimes just mapped the name, so it's just the import line that changes, without affecting the re-exports, or other logic.

Since this is strictly only an internal change, I don't know if a changelog bullet is needed.

Launch Checklist

• [X} Confirm your changes do not include backports from Mapbox projects (unless with compliant license) - if you are not sure about this, please ask!
• Briefly describe the changes in this PR.
• Link to related issues.
• Include before/after visuals or gifs if this PR includes visual changes.
• Write tests for all new functionality.
• Document any changes to public APIs.
• Post benchmark scores.
• Add an entry to CHANGELOG.md under the ## main section.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 98.22785% with 7 lines in your changes missing coverage. Please review.

Project coverage is 92.77%. Comparing base (8cb30d3) to head (1b2dec0).

Files with missing lines	Patch %	Lines
src/diff.ts	92.59%	2 Missing ⚠️
src/expression/compound_expression.ts	87.50%	2 Missing ⚠️
src/expression/definitions/in.ts	80.00%	1 Missing ⚠️
src/expression/definitions/index_of.ts	80.00%	1 Missing ⚠️
src/expression/index.ts	94.11%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #904      +/-   ##
==========================================
- Coverage   92.79%   92.77%   -0.02%     
==========================================
  Files         105      105              
  Lines        4689     4677      -12     
  Branches     1323     1323              
==========================================
- Hits         4351     4339      -12     
  Misses        338      338              

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[HarelM]

I wonder if this can be removed now and we can use some typescript functionality

[birkskyum]

extendBy is doing the same as:

Object.assign(output, ...inputs);

But our eslint settings doesn't like Object.assign
https://eslint.org/docs/latest/rules/no-restricted-properties

[HarelM]

Keep it for now then, it's out of scope for this PR...

[HarelM]

I think it's a big enough change to add to the changelog, even if it's only refactoring.
I would also look into removing "import * from..." to finish up the cleaning.
Looks great, thanks!!

[birkskyum]

The only import * as that are left now are in test files, looping over exports or used in spyOn