[Verse 1] Start with modules, they're the blueprint base Root module launches your application space Feature modules group related parts together Shared modules make your code work better Import and export declarations clear Bootstrap components when your app appears [Chorus] M-C-S and D-I too Modules Components Services through Dependency flows from root down below Angular architecture, watch it grow M-C-S and D-I too Building blocks that see you through [Verse 2] Components are the UI face you see Template view and class functionality Lifecycle hooks from init to destroy OnChanges, OnInit methods you employ Decorator marks the component clear Selector shows where it will appear [Chorus] M-C-S and D-I too Modules Components Services through Dependency flows from root down below Angular architecture, watch it grow M-C-S and D-I too Building blocks that see you through [Verse 3] Services hold your business logic tight Injectable makes dependency right Singleton pattern keeps one instance clean Provider config sets up the scene HTTP calls and data management Separation keeps your code elegant [Bridge] Hierarchical injection flows like a tree Root injector serves the whole family Component injectors branch out wide Child components get what parent provides Resolution bubbles up the chain Override providers when you need change [Verse 4] Providers tell the injector how to make Token mapping for dependency's sake Class provider, value provider too Factory providers when custom will do Module providers at the root level start Component providers for smaller parts [Chorus] M-C-S and D-I too Modules Components Services through Dependency flows from root down below Angular architecture, watch it grow M-C-S and D-I too Building blocks that see you through [Outro] From bootstrapping to injection tree Angular's foundation sets you free Modular thinking, component view Services working, dependencies true
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