CommunityNews

CommunityNews

Assertion Functions in TypeScript

Assertion Functions in TypeScript.
TypeScript 3.7 implemented support for assertion functions in the type system. An assertion function is a function that throws an error if something unexpected happened. Using assertion signatures, we can tell TypeScript that a function should be treated as an assertion function.

Read in full here:

This thread was posted by one of our members via one of our news source trackers.

Where Next?

Popular Frontend topics Top

First poster: bot
10 bad TypeScript habits to break this year. TypeScript and JavaScript have steadily evolved over the last years, and some of the habits...
New
First poster: KnowledgeIsPower
Hi all, With excitement we’re sharing today that Vue.js is Wikimedia Foundation’s official choice for adoption as future JavaScript fr...
/js
New
First poster: bot
Many years ago NRI adopted Elm as a frontend language. We started small with a disposable proof of concept, and as the engineering team i...
New
First poster: bot
3 TypeScript Tricks I wish I knew when I learned TypeScript. TypeScript is a big Superset of JavaScript which has many features which mi...
New
First poster: bot
Creating 3D graphics on the web has never been easier or more accessible. Svelte Cubed lets you build state-driven Three.js scenes with m...
New
First poster: bot
Libsodium has been fully supporting WebAssembly as a target for quite a long time. This includes its built-in benchmark suite, that can r...
New
First poster: bot
JavaScript Containers. The majority of server programs are Linux programs. They consist of a file system, some executable files, maybe s...
New
First poster: bot
Monorepos in JavaScript & TypeScript. A tutorial how to use a monorepo architecture in frontend JavaScript and TypeScript with tools...
New
First poster: bot
Full Stack Dart . Chris Swan discusses using a stack of Dart, where Flutter developers can use the same language to build the services b...
New
First poster: bot
Chrome Browser Exploitation, Part 1: Introduction to V8 and JavaScript Internals. Web browsers, our extensive gateway to the internet. B...
New

Other popular topics Top

AstonJ
A thread that every forum needs! Simply post a link to a track on YouTube (or SoundCloud or Vimeo amongst others!) on a separate line an...
New
Rainer
My first contact with Erlang was about 2 years ago when I used RabbitMQ, which is written in Erlang, for my job. This made me curious and...
New
AstonJ
There’s a whole world of custom keycaps out there that I didn’t know existed! Check out all of our Keycaps threads here: https://forum....
New
AstonJ
In case anyone else is wondering why Ruby 3 doesn’t show when you do asdf list-all ruby :man_facepalming: do this first: asdf plugin-upd...
New
DevotionGeo
I have always used antique keyboards like Cherry MX 1800 or Cherry MX 8100 and almost always have modified the switches in some way, like...
New
New
sir.laksmana_wenk
I’m able to do the “artistic” part of game-development; character designing/modeling, music, environment modeling, etc. However, I don’t...
New
AnfaengerAlex
Hello, I’m a beginner in Android development and I’m facing an issue with my project setup. In my build.gradle.kts file, I have the foll...
New
RobertRichards
Hair Salon Games for Girls Fun Girls Hair Saloon game is mainly developed for kids. This game allows users to select virtual avatars to ...
New
Fl4m3Ph03n1x
Background Lately I am in a quest to find a good quality TTS ai generation tool to run locally in order to create audio for some videos I...
New