bases VS TypeScript

We will install ready-to-use Typescript base configurations instead of starting from scratch. In this article, we will use Typescript base configurations for node version 20. If you are using a different version of node, visit the tsconfig bases docs to find out what you need. You can also create a Typescript configuration file with settings that work for you.

This Visual Studio Code extension simplifies the process of selecting and applying TypeScript configuration files (`tsconfig.json`) from the https://github.com/tsconfig/bases repository. With this extension, you can effortlessly browse through available configuration

Steal from this repo: https://github.com/tsconfig/bases/blob/main/bases/next.json

I personally am a big advocate for writing the least amount of tsconfig possible, and the tsconfig/bases package serves as a great source for getting tsconfig templates.

Possibly depends on your tsconfig. We use the recommended base configs from here https://github.com/tsconfig/bases

A tsconfig.json preset that ensures type safety;

The same configuration is also available for other nodejs versions like 14 and 12.

After installing, we also need to set up a basic tsconfig.json file for how we want tsc to behave with our app. We will use one of the recommended tsconfig files here: https://github.com/tsconfig/bases#centralized-recommendations-for-tsconfig-bases. This contains a list of community recommended configs depending on your app type. We’re using Node 16 and want to be extremely strict on the first pass to clean up any bad code habits and enforce some consistency. We’ll use the one located: https://github.com/tsconfig/bases/blob/main/bases/node16-strictest.combined.json.

You'll need @typescript-eslint/parser to get it working with eslint, then I would add @typescript-eslint/recommended as a plugin, then add prettier-eslint for formatting. What's more important is having a really good tsconfig file, I would recommend extending something from https://github.com/tsconfig/bases

The above configuration file extends the base configuration provided by the TypeScript team for Node.js v16. Additional options or overrides may be included through the compilerOptions property. It also specifies that all the files in the src directory should be included in the program, but everything in the node_modules directory is skipped entirely. Both the include and exclude properties support glob patterns.

Regular expressions are part of the language, so it's not so unreasonable that TypeScript should parse them and take their semantics into account. Indeed, TypeScript 5.5 will include [new support for syntax checking of regular expressions](https://github.com/microsoft/TypeScript/pull/55600), and presumably they'll eventually be able to solve the problem the GP highlighted on top of those foundations.

Dedicated syntax for creating unique subsets of a type that denote a particular refinement is a longstanding ask[2] - and very useful, we've experimented with implementations.[3]

I don't think it has any relation to runtime type checking at all. It's refinement types, [4] or newtypes[5] depending on the details and how you shape it.

[1] https://github.com/microsoft/TypeScript/blob/main/src/compil...

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