Practical Advanced TypeScript

This course explores some of the new advanced TypeScript features, using practical examples you might encounter in your projects.
We’ll start off by demonstrating two new features that improve readability (numeric separators) and tighten type strictness in classes (strict property initialization). We’ll then improve type guards with a practical Redux-inspired example, followed by a lesson about writing more readable mapped type modifiers. We’ll use a summary on types vs. interfaces to transition to self-referencing types examples (and how to build custom type safe iterators around them). We’ll then cover a few ways to use the new conditional types, including building a recursive generic type that transforms any other type you pass into it, regardless of how deep it is, and makes it read-only — great for your immutable states!
Finally, we’ll end with a lesson on building and chaining decorators to initialize and augment properties in classes.

• Course Overview: Practical Advanced TypeScript Features
• Improve Readability with TypeScript Numeric Separators when working with Large Numbers
• Make TypeScript Class Usage Safer with Strict Property Initialization
• Use the JavaScript “in” operator for automatic type inference in TypeScript
• Automatically infer TypeScript types in switch statements
• Create Explicit and Readable Type Declarations with TypeScript mapped Type Modifiers
• Use Types vs. Interfaces
• Build self-referencing type aliases in TypeScript
• Simplify iteration of custom data structures in TypeScript with iterators
• Use the TypeScript "unknown" type to avoid runtime errors
• Dynamically Allocate Function Types with Conditional Types in TypeScript
• Use TypeScript conditional types to create a reusable Flatten type
• Infer the Return Type of a Generic Function Type Parameter
• Deeply mark all the properties of a type as read-only in TypeScript
• Dynamically initialize class properties using TypeScript decorators