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docs: add documentation for HTTP_TRANSFER_CACHE_ORIGIN_MAP

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(cherry picked from commit 7e1e396a00)
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SkyZeroZx 2025-12-08 10:33:47 -05:00 committed by Alex Rickabaugh
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commit 56418b108e
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2
adev/src/content/guide/ssr.md
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@ -551,6 +551,8 @@ To disable caching for an individual request, you can specify the [`transferCach
httpClient.get('/api/sensitive-data', { transferCache: false });
```
NOTE: If your application uses different HTTP origins to make API calls on the server and on the client, the `HTTP_TRANSFER_CACHE_ORIGIN_MAP` token allows you to establish a mapping between those origins, so that `HttpTransferCache` feature can recognize those requests as the same ones and reuse the data cached on the server during hydration on the client.
## Configuring a server
### Node.js

2
packages/common/http/src/transfer_cache.ts
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@ -60,7 +60,7 @@ export type HttpTransferCacheOptions = {
* between those origins, so that `HttpTransferCache` feature can recognize those requests as the same
* ones and reuse the data cached on the server during hydration on the client.
*
* **Important note**: the `HTTP_TRANSFER_CACHE_ORIGIN_MAP` token should *only* be provided in
* IMPORTANT: The `HTTP_TRANSFER_CACHE_ORIGIN_MAP` token should *only* be provided in
* the *server* code of your application (typically in the `app.server.config.ts` script). Angular throws an
* error if it detects that the token is defined while running on the client.
*