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Alan Agius 70d0639bc1 fix(core): introduce BootstrapContext for improved server bootstrapping (#63639)
* fix(core): introduce `BootstrapContext` for improved server bootstrapping

This commit introduces a number of changes to the server bootstrapping process to make it more robust and less error-prone, especially for concurrent requests.

Previously, the server rendering process relied on a module-level global platform injector. This could lead to issues in server-side rendering environments where multiple requests are processed concurrently, as they could inadvertently share or overwrite the global injector state.

The new approach introduces a `BootstrapContext` that is passed to the `bootstrapApplication` function. This context provides a platform reference that is scoped to the individual request, ensuring that each server-side render has an isolated platform injector. This prevents state leakage between concurrent requests and makes the overall process more reliable.

BREAKING CHANGE:
The server-side bootstrapping process has been changed to eliminate the reliance on a global platform injector.

Before:
```ts
const bootstrap = () => bootstrapApplication(AppComponent, config);
```

After:
```ts
const bootstrap = (context: BootstrapContext) =>
  bootstrapApplication(AppComponent, config, context);
```

A schematic is provided to automatically update `main.server.ts` files to pass the `BootstrapContext` to the `bootstrapApplication` call.

In addition, `getPlatform()` and `destroyPlatform()` will now return `null` and be a no-op respectively when running in a server environment.
2025-09-09 10:56:38 -07:00

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{
"schematics": {
"explicit-standalone-flag": {
"version": "19.0.0",
"description": "Updates non-standalone Directives, Component and Pipes to 'standalone:false' and removes 'standalone:true' from those who are standalone",
"factory": "./bundles/explicit-standalone-flag.cjs#migrate"
},
"pending-tasks": {
"version": "19.0.0",
"description": "Updates ExperimentalPendingTasks to PendingTasks",
"factory": "./bundles/pending-tasks.cjs#migrate"
},
"provide-initializer": {
"version": "19.0.0",
"description": "Replaces `APP_INITIALIZER`, `ENVIRONMENT_INITIALIZER` & `PLATFORM_INITIALIZER` respectively with `provideAppInitializer`, `provideEnvironmentInitializer` & `providePlatformInitializer`.",
"factory": "./bundles/provide-initializer.cjs#migrate",
"optional": true
},
"add-bootstrap-context-to-server-main": {
"version": "19.2.15",
"description": "Adds `BootstrapContext` to `bootstrapApplication` calls in `main.server.ts` to support server rendering.",
"factory": "./bundles/add-bootstrap-context-to-server-main.cjs#migrate"
}
}
}