Why doesn't typescript have a throws type to annotate functions that can throw an error?

This page summarizes the projects mentioned and recommended in the original post on /r/typescript
TypeScript Functional programming JavaScript Language algebraic-data-types

SurveyJS - Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App
With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
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InfluxDB - Power Real-Time Data Analytics at Scale
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  • TypeScript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

    • It has been extensively discussed: https://github.com/microsoft/TypeScript/issues/13219

  • neverthrow

    Type-Safe Errors for JS & TypeScript

  • SurveyJS

    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

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  • fp-ts

    Functional programming in TypeScript

    • Yep. In many languages you could return Either and that data structure composes nicely. Lots of ways to do that in typescript. fp-ts is my favorite. Especially nice is using Try which is a specialized version of Either.

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