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next/node-polyfill-web-streams: fix web stream polyfill for Node v16 #51901

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merged 2 commits into from Jun 27, 2023
Merged

next/node-polyfill-web-streams: fix web stream polyfill for Node v16 #51901

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next/node-polyfill-web-streams: fix ReadableStream polyfill
MaxLeiter Jun 27, 2023
7e5326a
transform stream
MaxLeiter Jun 27, 2023
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23 changes: 17 additions & 6 deletions packages/next/src/server/node-polyfill-web-streams.ts
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@@ -1,11 +1,22 @@
// Polyfill Web Streams for the Node.js runtime.
if (!global.ReadableStream) {
const { ReadableStream } =
require('next/dist/compiled/@edge-runtime/ponyfill') as typeof import('next/dist/compiled/@edge-runtime/ponyfill')
global.ReadableStream = ReadableStream
// In Node v16, ReadableStream is available natively but under the `stream` namespace.
// In Node v18+, it's available under global.
if (require('stream').ReadableStream) {
global.ReadableStream = require('stream').ReadableStream
} else {
const { ReadableStream } =
require('next/dist/compiled/@edge-runtime/ponyfill') as typeof import('next/dist/compiled/@edge-runtime/ponyfill')
global.ReadableStream = ReadableStream
}
}
if (!global.TransformStream) {
const { TransformStream } =
require('next/dist/compiled/@edge-runtime/ponyfill') as typeof import('next/dist/compiled/@edge-runtime/ponyfill')
global.TransformStream = TransformStream
// Same as ReadableStream above.
if (require('stream').TransformStream) {
global.TransformStream = require('stream').TransformStream
} else {
const { TransformStream } =
require('next/dist/compiled/@edge-runtime/ponyfill') as typeof import('next/dist/compiled/@edge-runtime/ponyfill')
global.TransformStream = TransformStream
}
}