[BUG]: Need support for Astro v6 Beta

[mohammedzamakhan]

varlock version

^0.1.0

Steps to reproduce

After migrating an Astro application from v5 to v6, I am getting errors. I had varlock running successfully before the migration.

What is expected?

For build to succeed.

What is actually happening?

16:36:22 [ERROR] [vite]
🚨 initVarlockEnv failed 🚨
try rerunning your command via varlock run

initVarlockEnv failed
Location:
/Users/zama/epic-stack/node_modules/varlock/src/runtime/env.ts:233:11
Stack trace:
at initVarlockEnv (/Users/zama/epic-stack/node_modules/varlock/src/runtime/env.ts:233:11)
at Object.runInlinedModule (workers/runner-worker.js:1314:4)
at CustomModuleRunner.cachedRequest (workers/runner-worker.js:1084:73)
at getWorkerEntryExportTypes (workers/runner-worker.js:1349:29)
at maybeCaptureError (workers/runner-worker.js:49:10)

System Info

npx envinfo --system --npmPackages

  System:
    OS: macOS 26.2
    CPU: (10) arm64 Apple M4
    Memory: 101.03 MB / 16.00 GB
    Shell: 5.9 - /bin/zsh
  npmPackages:
    @astrojs/cloudflare: ^13.0.0-beta.0 => 13.0.0-beta.0 
    @types/node: ^22.19.6 => 22.19.7 
    astro: ^6.0.0-beta.0 => 6.0.0-beta.1

Any additional comments?

No response

[mohammedzamakhan]

When I see

import { env as globalEnv } from "cloudflare:workers";

in `@astrojs/cloudflare/dist/utils/handlers.js" I feel that there's something related to it.

[mohammedzamakhan]

If I remove the cloudflare adaptor from astro.config.mjs file, I see that I am able to run my dev server, but I need that adaptor for building it, because astro doesn't builds without the adaptor.

[philmillman]

Yeah the Cloudflare stuff is completely updated in V6, we'll look into this. Thanks for the report @mohammedzamakhan

[theoephraim]

@mohammedzamakhan - a first pass of upgrading a simple example project appears to be working 🤔 I'll try a more complex project and see what I find.

Any more context and info would be helpful!