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https://github.com/oven-sh/bun
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4c113d1866
* Passed message variable to ws.send() method. * Passed message variable to ws.send() method.
32 lines
644 B
Markdown
32 lines
644 B
Markdown
---
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name: Enable compression for WebSocket messages
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---
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Per-message compression can be enabled with the `perMessageDeflate` parameter. When set, all messages will be compressed using the [permessage-deflate](https://tools.ietf.org/html/rfc7692) WebSocket extension.
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```ts
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Bun.serve({
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// ...
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websocket: {
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// enable compression
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perMessageDeflate: true,
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},
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});
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```
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---
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To enable compression for individual messages, pass `true` as the second parameter to `ws.send()`.
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```ts
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Bun.serve({
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// ...
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websocket: {
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async message(ws, message) {
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// send a compressed message
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ws.send(message, true);
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},
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},
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});
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```
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