TypeScript 4.1 RC, Adopting TypeScript at Scale

TypeScript Weekly

Issue #157 — November 11, 2020

Announcing TypeScript 4.1 RC

The release candidate of TypeScript 4.1 has landed and brings template literal types, key remapping in mapped types, recursive conditional types, and other improvements.

Daniel Rosenwasser

TypeScript’s Release Process

A write-up of TypeScript’s release scheduling and processes, aimed at both external users and the TypeScript team.

Daniel Rosenwasser

10 Insights from Adopting TypeScript at Scale

Rob Palmer shares some of the insights and lessons learned during Bloomberg Engineering’s journey to adopt TypeScript as a first-class supported language.

Rob Palmer

Building a Type-Checked URL Router

How to use the new template literal types feature (that will ship as part of TypeScript 4.1) to build a router with fully type-checked route parameters.

Jan Sommer

6 Ways to Narrow Types in TypeScript

Different ways to narrow types in TypeScript to avoid type errors.

Carl Rippon

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TSConf 2020 Recordings, Use Cases for Named Tuples

Tuesday, November 3, 2020

TypeScript Weekly Issue #156 — November 3, 2020 TSConf 2020 Session Recordings The recordings of all talks presented at TSConf 2020 are now available. SitePen swc-project / swc A super-fast compiler

👻 Type or Treat! 🎃

Wednesday, October 28, 2020

TypeScript Weekly Issue #155 — October 28, 2020 Fancy TypeScript Features for the Everyday Developer In this talk, Josh Goldberg explores a few useful advanced TypeScript language features, including

The Single-Valued Type Pattern, Stop Using any

Tuesday, October 20, 2020

TypeScript Weekly Issue #154 — October 20, 2020 The Single-Valued Type Pattern for TypeScript How to build flexible generic APIs by pulling runtime and type variations into a constant that's

Template Literal Types, Deno and TypeScript

Thursday, October 1, 2020

TypeScript Weekly Issue #153 — October 1, 2020 TypeScript Template Literal Types A foray into template literal types, a powerful feature that will ship as part of the upcoming TypeScript 4.1 release.

TypeScript 4.1 Beta, TS-SQL

Thursday, September 24, 2020

TypeScript Weekly Issue #152 — September 24, 2020 Announcing TypeScript 4.1 Beta TypeScript 4.0 was just released, but the beta release for TypeScript 4.1 is out already. Template literal types and

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