feat: init and fork some code from angular-auth-oidc-client

src/provide-auth.ts

@@ -0,0 +1,79 @@
+import {
+  APP_INITIALIZER,
+  EnvironmentProviders,
+  makeEnvironmentProviders,
+  Provider,
+} from 'injection-js';
+import {
+  createStaticLoader,
+  PASSED_CONFIG,
+  PassedInitialConfig,
+} from './auth-config';
+import { StsConfigLoader } from './config/loader/config-loader';
+import { AbstractLoggerService } from './logging/abstract-logger.service';
+import { ConsoleLoggerService } from './logging/console-logger.service';
+import { OidcSecurityService } from './oidc.security.service';
+import { AbstractSecurityStorage } from './storage/abstract-security-storage';
+import { DefaultSessionStorageService } from './storage/default-sessionstorage.service';
+
+/**
+ * A feature to be used with `provideAuth`.
+ */
+export interface AuthFeature {
+  ɵproviders: Provider[];
+}
+
+export function provideAuth(
+  passedConfig: PassedInitialConfig,
+  ...features: AuthFeature[]
+): EnvironmentProviders {
+  const providers = _provideAuth(passedConfig);
+
+  for (const feature of features) {
+    providers.push(...feature.ɵproviders);
+  }
+
+  return makeEnvironmentProviders(providers);
+}
+
+export function _provideAuth(passedConfig: PassedInitialConfig): Provider[] {
+  return [
+    // Make the PASSED_CONFIG available through injection
+    { provide: PASSED_CONFIG, useValue: passedConfig },
+
+    // Create the loader: Either the one getting passed or a static one
+    passedConfig?.loader || {
+      provide: StsConfigLoader,
+      useFactory: createStaticLoader,
+      deps: [PASSED_CONFIG],
+    },
+    {
+      provide: AbstractSecurityStorage,
+      useClass: DefaultSessionStorageService,
+    },
+    { provide: AbstractLoggerService, useClass: ConsoleLoggerService },
+  ];
+}
+
+/**
+ * Configures an app initializer, which is called before the app starts, and
+ * resolves any OAuth callback variables.
+ * When used, it replaces the need to manually call
+ * `OidcSecurityService.checkAuth(...)` or
+ * `OidcSecurityService.checkAuthMultiple(...)`.
+ *
+ * @see https://angular.dev/api/core/APP_INITIALIZER
+ */
+export function withAppInitializerAuthCheck(): AuthFeature {
+  return {
+    ɵproviders: [
+      {
+        provide: APP_INITIALIZER,
+        useFactory: (oidcSecurityService: OidcSecurityService) => () =>
+          oidcSecurityService.checkAuthMultiple(),
+        multi: true,
+        deps: [OidcSecurityService],
+      },
+    ],
+  };
+}