Why `isLoading` Breaks Down in Complex React Apps

📰 Dev.to · Oleksii Kyrychenko

Learn why `isLoading` breaks down in complex React apps and how to improve it for preventing duplicate submits and blocking conflicting actions

intermediate Published 22 Apr 2026
Action Steps
  1. Identify the limitations of using a local `isLoading` flag in complex React apps
  2. Implement a cleaner pattern for preventing duplicate submits and blocking conflicting actions
  3. Use a state management library or a custom solution to coordinate async workflows across React components
  4. Test and refine the new pattern to ensure it works as expected
  5. Apply the new pattern to existing components to improve overall app performance
Who Needs to Know This

Frontend developers and engineers working with React can benefit from this article to improve their application's performance and user experience

Key Insight

💡 Using a local `isLoading` flag can lead to issues in complex React apps, but a cleaner pattern can help prevent duplicate submits and block conflicting actions

Share This
💡 Improve your React app's performance by replacing `isLoading` with a cleaner pattern for preventing duplicate submits and blocking conflicting actions

Key Takeaways

Learn why `isLoading` breaks down in complex React apps and how to improve it for preventing duplicate submits and blocking conflicting actions

Full Article

Title: Why `isLoading` Breaks Down in Complex React Apps

URL Source: https://dev.to/alexey79/why-isloading-breaks-down-in-complex-react-apps-33bd

Published Time: 2026-04-22T10:50:32Z

Markdown Content:
# Why `isLoading` Breaks Down in Complex React Apps - DEV Community
[Skip to content](https://dev.to/alexey79/why-isloading-breaks-down-in-complex-react-apps-33bd#main-content)

[![Image 1: DEV Community](https://media2.dev.to/dynamic/image/quality=100/https://dev-to-uploads.s3.amazonaws.com/uploads/logos/resized_logo_UQww2soKuUsjaOGNB38o.png)](https://dev.to/)

[Powered by Algolia](https://www.algolia.com/developers/?utm_source=devto&utm_medium=referral)

[Log in](https://dev.to/enter?signup_subforem=1)[Create account](https://dev.to/enter?signup_subforem=1&state=new-user)

## DEV Community

![Image 2](https://assets.dev.to/assets/heart-plus-active-9ea3b22f2bc311281db911d416166c5f430636e76b15cd5df6b3b841d830eefa.svg)0 Add reaction

![Image 3](https://assets.dev.to/assets/sparkle-heart-5f9bee3767e18deb1bb725290cb151c25234768a0e9a2bd39370c382d02920cf.svg)0 Like ![Image 4](https://assets.dev.to/assets/multi-unicorn-b44d6f8c23cdd00964192bedc38af3e82463978aa611b4365bd33a0f1f4f3e97.svg)0 Unicorn ![Image 5](https://assets.dev.to/assets/exploding-head-daceb38d627e6ae9b730f36a1e390fca556a4289d5a41abb2c35068ad3e2c4b5.svg)0 Exploding Head ![Image 6](https://assets.dev.to/assets/raised-hands-74b2099fd66a39f2d7eed9305ee0f4553df0eb7b4f11b01b6b1b499973048fe5.svg)0 Raised Hands ![Image 7](https://assets.dev.to/assets/fire-f60e7a582391810302117f987b22a8ef04a2fe0df7e3258a5f49332df1cec71e.svg)0 Fire

0 Jump to Comments 0 Save Boost

Copy link

Copied to Clipboard

[Share to X](https://twitter.com/intent/tweet?text=%22Why%20%60isLoading%60%20Breaks%20Down%20in%20Complex%20React%20Apps%22%20by%20Oleksii%20Kyrychenko%20%23DEVCommunity%20https%3A%2F%2Fdev.to%2Falexey79%2Fwhy-isloading-breaks-down-in-complex-react-apps-33bd)[Share to LinkedIn](https://www.linkedin.com/shareArticle?mini=true&url=https%3A%2F%2Fdev.to%2Falexey79%2Fwhy-isloading-breaks-down-in-complex-react-apps-33bd&title=Why%20%60isLoading%60%20Breaks%20Down%20in%20Complex%20React%20Apps&summary=A%20cleaner%20pattern%20for%20preventing%20duplicate%20submits%2C%20blocking%20conflicting%20actions%2C%20and%20coordinating...&source=DEV%20Community)[Share to Facebook](https://www.facebook.com/sharer.php?u=https%3A%2F%2Fdev.to%2Falexey79%2Fwhy-isloading-breaks-down-in-complex-react-apps-33bd)[Share to Mastodon](https://s2f.kytta.dev/?text=https%3A%2F%2Fdev.to%2Falexey79%2Fwhy-isloading-breaks-down-in-complex-react-apps-33bd)

[Share Post via...](https://dev.to/alexey79/why-isloading-breaks-down-in-complex-react-apps-33bd#)[Report Abuse](https://dev.to/report-abuse)

[![Image 8: Cover image for Why `isLoading` Breaks Down in Complex React Apps](https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fpk20nkch7plyavs43zaq.png)](https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fpk20nkch7plyavs43zaq.png)

[![Image 9: Oleksii Kyrychenko](https://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F685031%2Fdfc2b480-6295-444f-8d65-f68704d6b2b8.jpeg)](https://dev.to/alexey79)

[Oleksii Kyrychenko](https://dev.to/alexey79)
Posted on Apr 22

# Why `isLoading` Breaks Down in Complex React Apps

[#architecture](https://dev.to/t/architecture)[#react](https://dev.to/t/react)[#typescript](https://dev.to/t/typescript)[#frontend](https://dev.to/t/frontend)

> A cleaner pattern for preventing duplicate submits, blocking conflicting actions, and coordinating async workflows across React components.

For a small component, a local `isLoading` flag is usually fine.

A button starts a r
Read full article → ← Back to Reads