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Prepare to omit Content-Type header for files of unknown extension in Workers Assets #8247

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merged 1 commit into from
Feb 25, 2025

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GregBrimble
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Fixes WC-3028.

This isn't quite everything. This makes it work in wrangler dev and prepares the asset-worker in production to be able to handle missing contentType metadata. We'll need to land this, then API support, and then follow up with the final piece here.


  • 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: no coverage
  • Public documentation
    • TODO (before merge)
    • Cloudflare docs PR(s):
    • Documentation not necessary because: not live yet

@GregBrimble GregBrimble requested review from a team as code owners February 25, 2025 03:48
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changeset-bot bot commented Feb 25, 2025

🦋 Changeset detected

Latest commit: be5587b

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

This PR includes changesets to release 6 packages
Name Type
@cloudflare/workers-shared Minor
miniflare Minor
wrangler Minor
@cloudflare/vite-plugin Patch
@cloudflare/pages-shared 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

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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/13513229739/npm-package-wrangler-8247

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

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/8247/npm-package-wrangler-8247

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-wrangler-8247 dev path/to/script.js
Additional artifacts:

cloudflare-workers-bindings-extension:

wget https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-cloudflare-workers-bindings-extension-8247 -O ./cloudflare-workers-bindings-extension.0.0.0-vade32ff5b.vsix && code --install-extension ./cloudflare-workers-bindings-extension.0.0.0-vade32ff5b.vsix

create-cloudflare:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-create-cloudflare-8247 --no-auto-update

@cloudflare/kv-asset-handler:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-cloudflare-kv-asset-handler-8247

miniflare:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-miniflare-8247

@cloudflare/pages-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-cloudflare-pages-shared-8247

@cloudflare/unenv-preset:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-cloudflare-unenv-preset-8247

@cloudflare/vite-plugin:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-cloudflare-vite-plugin-8247

@cloudflare/vitest-pool-workers:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-cloudflare-vitest-pool-workers-8247

@cloudflare/workers-editor-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-cloudflare-workers-editor-shared-8247

@cloudflare/workers-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-cloudflare-workers-shared-8247

@cloudflare/workflows-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13513229739/npm-package-cloudflare-workflows-shared-8247

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


wrangler@3.109.3 includes the following runtime dependencies:

Package Constraint Resolved
miniflare workspace:* 3.20250214.0
workerd 1.20250214.0 1.20250214.0
workerd --version 1.20250214.0 2025-02-14

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

@@ -0,0 +1 @@
I'm a narcissist.
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😅

@GregBrimble GregBrimble merged commit a9a4c33 into main Feb 25, 2025
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@GregBrimble GregBrimble deleted the prepare-for-support-of-null-content-types branch February 25, 2025 13:58
@@ -138,7 +138,7 @@ export const syncAssets = async (
[(await readFile(absFilePath)).toString("base64")],
manifestEntry[1].hash,
{
type: getContentType(absFilePath),
type: getContentType(absFilePath) || "application/octet-stream",
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For future readers, this is the line that allows us to gradually roll this feature out before production support is in place.

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3 participants