Deprecate pages dev's proxy features

[GregBrimble]

What this PR solves / how to test

Fixes #5211, #5315.

Author has addressed the following

• Tests
  • TODO (before merge)
  • Included
  • Not necessary because:
• Changeset (Changeset guidelines)
  • TODO (before merge)
  • Included
  • Not necessary because:
• Public documentation
  • TODO (before merge)
  • Cloudflare docs PR(s): Deprecate pages dev's proxy features cloudflare-docs#13540
  • Not necessary because:

[changeset-bot]

🦋 Changeset detected

Latest commit: 5aaaed7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
wrangler	Patch
@cloudflare/vitest-pool-workers	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another 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/8360882587/npm-package-wrangler-5317

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

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/5317/npm-package-wrangler-5317

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8360882587/npm-package-wrangler-5317 dev path/to/script.js

Additional artifacts:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8360882587/npm-package-create-cloudflare-5317 --no-auto-update

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8360882587/npm-package-cloudflare-kv-asset-handler-5317

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8360882587/npm-package-miniflare-5317

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8360882587/npm-package-cloudflare-pages-shared-5317

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/8360882587/npm-package-cloudflare-vitest-pool-workers-5317

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

---

wrangler@3.35.0 includes the following runtime dependencies:

Package	Constraint	Resolved
miniflare	workspace:*	3.20240314.0
workerd	1.20240314.0	1.20240314.0
workerd --version	1.20240314.0	2024-03-14

Please ensure constraints are pinned, and miniflare/workerd minor versions match.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.01%. Comparing base (2eb6cf4) to head (5aaaed7).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5317      +/-   ##
==========================================
+ Coverage   71.66%   72.01%   +0.34%     
==========================================
  Files         313      313              
  Lines       16230    16235       +5     
  Branches     4151     4153       +2     
==========================================
+ Hits        11632    11692      +60     
+ Misses       4598     4543      -55     

Files	Coverage Δ
packages/wrangler/src/pages/dev.ts	35.09% <100.00%> (+18.93%)	⬆️

... and 5 files with indirect coverage changes

[petebacondarwin]

Can you add a test for --proxy?

[GregBrimble]

https://github.com/cloudflare/workers-sdk/compare/b56e300cb3015004a639874d8cef5ef0b55a6186..5aaaed745222a693e2b513a602e023add9344fdf

[newsve]

Thanks to @GregBrimble I've been hinted to this PR. I just wonder how the dev workflow is without proxying a dev server, such as vite dev. I get the consumable Cloudflare build once I build but not while developing, I wrote more here: #5315 (comment)