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TypeScript: Upgrades and Features

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Overview

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Take advantage of the latest features in TypeScript. Learn how to leverage external helpers, optional type checks, constant-named properties, and more.

Syllabus

Introduction
  • Learn about TypeScript updates
  • Course prerequisites
  • Using the exercise files
1. Setting Up TypeScript
  • Update your local environment
  • IDEs with great TypeScript support
  • Where to find help and documentation
2. Features from Previous Versions
  • Tagged union, null, or undefined types
  • Control flow analysis and read-only properties
  • External helpers and module enhancements
  • Mapped types and object spread and rest
  • Object type and new.target
  • ES3 and ES5 generators and iterators
  • TypeScript optional checks
  • Catch clause and localized diagnostics
3. Features in the Latest Version
  • Constant-named properties
  • Defined assignment assertions
  • Type guards inferred with the in operator
  • Support for ES numeric separators
Conclusion
  • Next steps

Taught by

Emmanuel Henri

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