A complete modern Angular guide, from the CLI and components to signals, standalone APIs, SSR, state management, performance, testing, and production architecture.
Angular applications can be deployed to serverless platforms in two fundamentally different ways: as static client-side rendered (CSR) assets served from a CDN with serverless fallback routing, or as server-side rendered (SSR) applications running inside serverless functions that execute on demand. The first approach is simpler and cheaper; the second delivers faster initial page loads…
Angular applications integrate with AI systems in three fundamentally different ways: by calling server-side AI services through HTTP, by consuming streaming chat protocols like SSE or WebSockets, and by running machine learning models directly in the browser using Web Workers and ONNX Runtime. Each approach has a different architecture, a different set of trade-offs, and…
The Angular compiler transforms templates, components, and decorators into JavaScript that the browser can execute. Since Angular 9, this work is done by Ivy, a complete rewrite of the previous View Engine that changed how compilation works at a fundamental level. Where View Engine compiled components and their NgModules together in a global analysis, Ivy…
Angular Schematics is the scaffolding engine behind every ng generate command. When you run ng generate component, ng add, or ng update, a schematic executes: it reads a template, applies transformations, writes files into the project’s virtual file tree, and returns the modified tree. The same engine is available to you, which means you can…
Angular CLI builders are the engines behind every ng command. When you run ng build, ng serve, ng test, or ng lint, the CLI reads the workspace configuration, resolves the target to a builder, and invokes it with the options from angular.json. A builder is a function that receives options and a context and returns…
Migrating from AngularJS to modern Angular is a significant architectural shift. AngularJS (1.x) reached its official end of life on December 31, 2021, which means it no longer receives security patches, bug fixes, or official support. The migration is not a simple version upgrade; it involves moving from a scope-based, controller-driven model to a component-based…
Angular releases a new major version every six months, and each major version carries breaking changes, deprecations, and new APIs. Migrating between versions is not a single event but a recurring discipline. The framework provides ng update to automate most of the mechanical work, and the Angular Update Guide provides a checklist of breaking changes…
Angular 17 introduced a new built-in control flow syntax that replaces the structural directives *ngIf, *ngFor, and *ngSwitch with blocks prefixed by @. The new syntax is baked into the template, which means CommonModule is no longer required for these directives, and the compiler can pre-compile the blocks for better performance and type checking. This…
Upgrading a legacy Angular application is rarely a single task. It is a sequence of decisions: which Angular version the application is on, whether the codebase still uses NgModules or standalone components, whether the build system is the old webpack-based one or the new esbuild-based one, and whether the application was originally written in AngularJS…
Architecture is the set of decisions that determine how an application is organized, how its parts communicate, and how it changes over time. Angular provides the primitives — components, services, dependency injection, routing, signals — but it does not prescribe how to combine them. That prescription is the architect’s job, and it is where most…