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Support Buffer results from Webpack loaders #8902

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@mischnic mischnic commented Aug 1, 2024

The result from a webpack loader can be a string or a buffer: https://webpack.js.org/api/loaders/#thiscallback

The mdx loader uses this:
https://github.com/mdx-js/mdx/blob/e780a972c29584851c2a131f2984a7470aa8c2f2/packages/loader/lib/index.js#L93

Stringify the Buffer before sending it over to Rust

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Looks good to me!

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github-actions bot commented Aug 1, 2024

🟢 Turbopack Benchmark CI successful 🟢

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github-actions bot commented Aug 1, 2024

✅ This change can build next-swc

@@ -479,7 +479,7 @@ const transform = (
if (!result.result) return reject(new Error("No result from loaders"));
const [source, map] = result.result;
resolve({
source,
source: Buffer.isBuffer(source) ? source.toString("utf8") : source,
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The result might be some binary data that is not an utf-8 string.

E. g. some image-processing-loader can return an image.

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github-actions bot commented Aug 1, 2024

⚠️ CI failed ⚠️

The following steps have failed in CI:

  • Turbopack Rust tests (mac/win, non-blocking)

See workflow summary for details

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mischnic commented Aug 2, 2024

Added to vercel/next.js#68397

@mischnic mischnic closed this Aug 2, 2024
@mischnic mischnic deleted the mischnic/allow-webpack-buffer-result branch August 2, 2024 12:06
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3 participants