TypeScript 4.9 Beta, Beginner + Advanced TypeScript Courses

TypeScript Weekly

Issue #196 — October 18, 2022

Announcing TypeScript 4.9 Beta

The beta release of TypeScript 4.9 introduces the satisfies operator, a new operator that lets us validate that the type of an expression matches some type, without changing the resulting type of that expression. Also, this release brings better narrowing to the in operator and some other improvements, as always.

Daniel Rosenwasser

Beginner’s TypeScript

Get hands-on interactive TypeScript practice and learn the foundational knowledge and skills you need to become a TypeScript Wizard.

Matt Pocock

Demystifying TypeScript Unions and Intersections

A detailed look at union and intersection types in TypeScript.

Tushar Sharma

Type-Level TypeScript

A course to take your TypeScript skills to the next level! Learn how to unleash the full potential of the Turing-complete type system of TypeScript.

Gabriel Vergnaud

marcj / TypeRunner

A proof of concept of a TypeScript-to-bytecode compiler that might be capable of type-checking a subset of TypeScript significantly faster than tsc.

Marc J. Schmidt

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TypeScript 4.8, Complex Types, Monorepos

Thursday, September 15, 2022

TypeScript Weekly Issue #195 — September 14, 2022 Announcing TypeScript 4.8 TypeScript 4.8 has been released and improves type narrowing and compatibility for union and intersection types. It also

TypeScript 4.8 RC, Exploration of Type Narrowing

Friday, August 12, 2022

TypeScript Weekly Issue #194 — August 12, 2022 Announcing TypeScript 4.8 RC The release candidate of TypeScript 4.8 improves type narrowing and compatibility for union and intersection types. It also

Extreme Explorations of the Type System

Friday, August 5, 2022

TypeScript Weekly Issue #193 — August 5, 2022 Extreme Explorations of TypeScript's Type System Developers have pushed the bounds of type operations possible in the type system to write some pretty

TypeScript 4.8 Beta, TypeScript Tips & Tricks, Monorepos

Friday, June 24, 2022

TypeScript Weekly Issue #192 — June 24, 2022 Announcing TypeScript 4.8 Beta The beta release of TypeScript 4.8 improves type narrowing and compatibility for union and intersection types. It also makes

TypeScript 4.7 RC, Migrating Millions of Lines

Tuesday, May 24, 2022

TypeScript Weekly Issue #191 — May 24, 2022 Announcing TypeScript 4.7 RC The release candidate of TypeScript 4.7 adds several new features related to ECMAScript module support in Node. It also ships

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