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fix: make wrangler work on node v18 #840

Merged
merged 1 commit into from
Apr 25, 2022
Merged

fix: make wrangler work on node v18 #840

merged 1 commit into from
Apr 25, 2022

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threepointone
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@threepointone threepointone commented Apr 25, 2022

There's some interference between our data fetching library undici and node 18's new fetch and co. (powered by undici internally) which replaces the filename of Files attached to FormDatas with a generic blob (likely this code - https://github.com/nodejs/undici/blob/615f6170f4bd39630224c038d1ea5bf505d292af/lib/fetch/formdata.js#L246-L250). It's still not clear why it does so, and it's hard to make an isolated example of this.

Regardless, disabling the new fetch functionality makes undici use its own base classes, avoiding the problem for now, and unblocking our release. We'll keep investigating and look for a proper fix.

Unblocks #834

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changeset-bot bot commented Apr 25, 2022

🦋 Changeset detected

Latest commit: 13df8d3

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

This PR includes changesets to release 1 package
Name Type
wrangler 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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github-actions bot commented Apr 25, 2022

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

npm install --save-dev https://prerelease-registry.developers.workers.dev/runs/2219566167/npm-package-wrangler-840

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

npm install --save-dev https://prerelease-registry.developers.workers.dev/prs/840/npm-package-wrangler-840

Or you can use npx with this latest build directly:

npx https://prerelease-registry.developers.workers.dev/runs/2219566167/npm-package-wrangler-840 dev path/to/script.js

There's some interference between our data fetching library `undici` and node 18's new `fetch` and co. (powered by `undici` internally) which replaces the filename of `File`s attached to `FormData`s with a generic `blob` (likely this code - https://github.com/nodejs/undici/blob/615f6170f4bd39630224c038d1ea5bf505d292af/lib/fetch/formdata.js#L246-L250). It's still not clear why it does so, and it's hard to make an isolated example of this.

Regardless, disabling the new `fetch` functionality makes `undici` use its own base classes, avoiding the problem for now, and unblocking our release. We'll keep investigating and look for a proper fix.

Unblocks #834
@threepointone threepointone merged commit 32f6108 into main Apr 25, 2022
@threepointone threepointone deleted the fix-node-18 branch April 25, 2022 10:40
@github-actions github-actions bot mentioned this pull request Apr 25, 2022
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2 participants