microsoft / microsoft/monaco-editor

[Feature Request]: Support `exactOptionalPropertyTypes` TypeScript compiler options

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feature-request
Dominant language
JavaScript
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Description

Context
  • This issue is not a bug report. (please use a different template for reporting a bug)
  • This issue is not a duplicate of an existing issue. (please use the search to find existing issues)
Description

I would love to enable exactOptionalPropertyTypes in Valibot's playground:

Monaco Editor Playground Link

No response

Monaco Editor Playground Code

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by examining the Monaco Editor playground configuration and the linked Valibot playground example to find where TypeScript compiler options are defined. Confirm how the playground applies those options, then verify that exactOptionalPropertyTypes can be enabled and behaves correctly in the example.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
tooling
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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