43 lines
960 B
TypeScript
43 lines
960 B
TypeScript
import { HttpClient } from '@angular/common/http';
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import { APP_INITIALIZER, InjectionToken } from '@angular/core';
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import { lastValueFrom } from 'rxjs';
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export interface AppConfig {
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apiBaseUrl: string;
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}
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export const APP_CONFIG = new InjectionToken<AppConfig>('appConfig');
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const _appConfig: AppConfig = {
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apiBaseUrl: '',
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};
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export function appConfigFactory(http: HttpClient) {
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return (): Promise<void> => {
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return lastValueFrom(http.get<AppConfig>('./config.json')).then(
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(config) => {
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Object.assign(_appConfig, config);
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},
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() => {
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// Keep defaults if config.json is not available (dev mode).
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},
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);
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};
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}
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export const appConfigProvider = {
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provide: APP_CONFIG,
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useValue: _appConfig,
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};
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export const appConfigInitProvider = {
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provide: APP_INITIALIZER,
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useFactory: appConfigFactory,
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deps: [HttpClient],
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multi: true,
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};
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export function getAppConfig(): AppConfig {
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return _appConfig;
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}
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