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Modernizing a legacy AngularJS 1.x app to Angular with ngUpgrade, TypeScript, RxJS, lazy loading, and improved architecture/performance.

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robertcruz-talent/NG1-Migration

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AngularJS Migration Example

This project provides a minimal, focused example of upgrading AngularJS 1.x features to modern Angular. It demonstrates the fundamentals of dual-bootstrapping and incremental migration in a simple, easy-to-understand structure.

Overview

The goal of this example is to show how small AngularJS features can be gradually rewritten in Angular without interrupting existing functionality. It is ideal for modular or micro-frontend styled legacy applications.

Key Concepts Demonstrated

  • Running AngularJS and Angular together in hybrid mode
  • Converting AngularJS components to Angular components
  • Translating services into Angular @Injectable services
  • Using TypeScript to modernize existing code
  • Preparing AngularJS code for interoperability
  • Maintaining templates and routing during migration

When to Use This Example

Use this project if you:

  • want a small-scale migration reference
  • are preparing a larger AngularJS system for modernization
  • want to test hybrid-mode behavior before applying it to production code
  • need a simple template to coach your team on migration practices

Tech Stack

  • AngularJS
  • Angular
  • TypeScript

Purpose

This repository serves as a lightweight reference for understanding and practicing AngularJS → Angular migration techniques without the complexity of a full enterprise application.