Stefan Baumgartner • 7/6/2021

TypeScript: Array.includes on narrow types

Read Original

This article discusses a specific TypeScript typing challenge where using Array.includes on an array with a narrow type (e.g., from a const assertion) causes a type error. It explains why the error occurs by examining the type definitions and provides context for when this situation arises and potential solutions.

0 comments
#TypeScript #includes #type narrowing
TypeScript: Array.includes on narrow types

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser

Top of the Week

1
The Beautiful Web
Jens Oliver Meiert • 2 votes
2
When your coding agent doesn’t understand your project, you’ll get junk
Benjamin Cane • 1 votes
3
LLM Use in the Python Source Code
Miguel Grinberg • 1 votes
4
Wagon’s algorithm in Python
John D. Cook • 1 votes
5
An example conversation with Claude Code
Dumm Zeuch • 1 votes