Advanced provideHttpClient Interceptors

Short summary

Angular 20 replaces NgModule interceptors with functional provideHttpClient, offering explicit pipeline ordering, tree-shaking, and ~8–12KB bundle savings. Functional interceptors compose cleanly with single concerns per function and SSR support. Enterprise pattern: composable pipelines instead of monolithic stacks.

• •Angular 20 deprecated NgModule HTTP_INTERCEPTORS for functional provideHttpClient approach
• •Functional pattern enables tree-shaking, explicit ordering, and measurable bundle reduction
• •Each interceptor handles one concern; SSR requires platform-detection checks

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