Improve the error messaging when the user provides neither an entry point nor an asset directory

[petebacondarwin]

• Tests
  • TODO (before merge)
  • Tests included
  • Tests not necessary because:
• Wrangler E2E Tests CI Job required? (Use "e2e" label or ask maintainer to run separately)
  • I don't know
  • Required
  • Not required because:
• Public documentation
  • TODO (before merge)
  • Cloudflare docs PR(s):
  • Documentation not necessary because: minor message change
• Wrangler V3 Backport
  • TODO (before merge)
  • Wrangler PR: Backport #8534 to Wrangler v3 #8535
  • Not necessary because:

[changeset-bot]

🦋 Changeset detected

Latest commit: d6bc4ed

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/13952534111/npm-package-wrangler-8534

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

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/8534/npm-package-wrangler-8534

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-wrangler-8534 dev path/to/script.js

Additional artifacts:

cloudflare-workers-bindings-extension:

wget https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-cloudflare-workers-bindings-extension-8534 -O ./cloudflare-workers-bindings-extension.0.0.0-v815872514.vsix && code --install-extension ./cloudflare-workers-bindings-extension.0.0.0-v815872514.vsix

create-cloudflare:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-create-cloudflare-8534 --no-auto-update

@cloudflare/kv-asset-handler:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-cloudflare-kv-asset-handler-8534

miniflare:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-miniflare-8534

@cloudflare/pages-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-cloudflare-pages-shared-8534

@cloudflare/unenv-preset:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-cloudflare-unenv-preset-8534

@cloudflare/vite-plugin:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-cloudflare-vite-plugin-8534

@cloudflare/vitest-pool-workers:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-cloudflare-vitest-pool-workers-8534

@cloudflare/workers-editor-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-cloudflare-workers-editor-shared-8534

@cloudflare/workers-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-cloudflare-workers-shared-8534

@cloudflare/workflows-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13952534111/npm-package-cloudflare-workflows-shared-8534

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

---

wrangler@4.2.0 includes the following runtime dependencies:

Package	Constraint	Resolved
miniflare	workspace:*	4.20250317.1
workerd	1.20250317.0	1.20250317.0
workerd --version	1.20250317.0	2025-03-17

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