mirror of
https://github.com/angular/angular
synced 2026-05-24 09:28:37 +00:00
4e9531f777
This commits add a utility method to merge multiple `ApplicationConfiguration` into one from left to right. This is useful for server rendering were an application might have several configurations. Usage Example: ```ts const config = mergeApplicationConfig(appConfig, appServerConfig); ``` PR Close #49253
36 lines
1 KiB
TypeScript
36 lines
1 KiB
TypeScript
|
|
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
|
|
import {EnvironmentProviders, Provider} from './di';
|
|
|
|
/**
|
|
* Set of config options available during the application bootstrap operation.
|
|
*
|
|
* @publicApi
|
|
*/
|
|
export interface ApplicationConfig {
|
|
/**
|
|
* List of providers that should be available to the root component and all its children.
|
|
*/
|
|
providers: Array<Provider|EnvironmentProviders>;
|
|
}
|
|
|
|
/**
|
|
* Merge multiple application configurations from left to right.
|
|
*
|
|
* @param configs Two or more configurations to be merged.
|
|
* @returns A merged [ApplicationConfig](api/core/ApplicationConfig).
|
|
*
|
|
* @publicApi
|
|
*/
|
|
export function mergeApplicationConfig(...configs: ApplicationConfig[]): ApplicationConfig {
|
|
return configs.reduce((prev, curr) => {
|
|
return Object.assign(prev, curr, {providers: [...prev.providers, ...curr.providers]});
|
|
}, {providers: []});
|
|
}
|