---
title: "React TS: Don't repeat the type when you pass functions as props, use their types."
url: https://daily.dev/posts/react-ts-don-t-repeat-the-type-when-you-pass-functions-as-props-use-their-types--1jometwhd
source_url: https://dev.to/lico/react-ts-dont-repeat-the-type-when-you-pass-functions-as-props-use-their-types-5h6h
type: article
source: "DEV"
published: 2022-08-20T15:04:12.096Z
updated: 2022-08-20T15:04:12.095Z
tags: ["react", "javascript"]
reading_time: 2
upvotes: 48
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# React TS: Don't repeat the type when you pass functions as props, use their types.

**[DEV](https://daily.dev/sources/devto)** · 2 min read · 48 upvotes · 0 comments

## Summary

The submit event passes the arguments'username', 'nickname' and 'password' to the onSubmit prop if it is there. If you just repeated like this, you'll have to keep up-to-date. If there is no interface, use React.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://dev.to/lico/react-ts-dont-repeat-the-type-when-you-pass-functions-as-props-use-their-types-5h6h>

## Similar posts on daily.dev

- [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments
- [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments
- [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments
- [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments
- [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments

---

Tags: [#react](https://daily.dev/tags/react), [#javascript](https://daily.dev/tags/javascript)

[View this post on daily.dev](https://daily.dev/posts/react-ts-don-t-repeat-the-type-when-you-pass-functions-as-props-use-their-types--1jometwhd)