[quick-edit] Typescript support through JSDoc

[penalosa]

What this PR solves / how to test:

• Adds support for Typescript checking, via JSDoc annotations
• In particular, this patches the VSCode typescript extension to work without SharedArrayBuffer, and loads two read-only files into Worker workspaces, jsconfig.json and workers-types.d.ts

Associated docs issue(s)/PR(s):

• [insert associated docs issue(s)/PR(s)]

Author has included the following, where applicable:

• Tests
• Changeset (Changeset guidelines)

Reviewer has performed the following, where applicable:

• Checked for inclusion of relevant tests
• Checked for inclusion of a relevant changeset
• Checked for creation of associated docs updates
• Manually pulled down the changes and spot-tested

[changeset-bot]

⚠️ No Changeset found

Latest commit: a386115

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[github-actions]

A wrangler prerelease is available for testing. You can install this latest build in your project with:

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/4701718286/npm-package-wrangler-3043

You can reference the automatically updated head of this PR with:

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/3043/npm-package-wrangler-3043

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/4701718286/npm-package-wrangler-3043 dev path/to/script.js

Additional artifacts:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/4701718286/npm-package-cloudflare-pages-shared-3043

Note that these links will no longer work once the GitHub Actions artifact expires.

[codecov]

Codecov Report

Merging #3043 (a386115) into main (b1242d3) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #3043      +/-   ##
==========================================
+ Coverage   73.84%   73.87%   +0.02%     
==========================================
  Files         167      167              
  Lines       10504    10504              
  Branches     2807     2807              
==========================================
+ Hits         7757     7760       +3     
+ Misses       2747     2744       -3     

see 2 files with indirect coverage changes

[mrbbot]

Very cool! 😃 Added a few comments...