Angular 2 for Angular 1 developers
summary
Compares concrete Angular 1 patterns to Angular 2 equivalents with code-level specifics: component decorators and selector → directive mapping, constructor injection with TypeScript access modifiers, property vs attribute binding, and pipes instead of filters. Walks through TypeScript + decorators, shows a GitHub HTTP service using RxJS observables (demoing cancellation, map, error handling), explains router migration and lazy loading, describes CLI + offline compiler and claimed bundle sizes (~100–200KB hello world, some builds down to ~20–25KB), and demos Augury debugger, web worker and service worker options.
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