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Redux

Redux is a state management library for JavaScript that centralizes global state, making data sharing between components easier. Its core principles include a single source of truth, read-only state, and pure reducers. Redux is particularly beneficial for complex applications, and the Redux Toolkit simplifies its usage with powerful APIs and TypeScript integration.

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26 views7 pages

Redux

Redux is a state management library for JavaScript that centralizes global state, making data sharing between components easier. Its core principles include a single source of truth, read-only state, and pure reducers. Redux is particularly beneficial for complex applications, and the Redux Toolkit simplifies its usage with powerful APIs and TypeScript integration.

Uploaded by

topbinge24
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Redux JS

01

What is Redux?
🛠️ Redux is a predictable state management
library for JavaScript applications.

🎯 Why use it? It centralizes global state,


making it easier to share data between
components and maintain consistency.
02

Core Principles of
Redux
1️⃣ Single Source of Truth: The entire
application state is stored in a single object
called the "store."

2️⃣ State is Read-Only: The only way to


change the state is through actions, which
describe what happened.

3️⃣ Pure Reducers: Changes are handled by


pure functions called "reducers."
03

Redux Data Flow


🔄 Here’s how it works:
Dispatch an Action (e.g., user clicks a
button).

The action goes to a reducer, which


calculates the new state.

The store updates the state and notifies


connected components.
04

When to Use Redux?


✅ Best for:
Apps with complex or shared state.
Global states like authentication, shopping
carts, or user preferences.

❌ Avoid if:
Your app only manages local or simple
states.
05

Redux Today: Easier


Than Ever!
🚀 With Redux Toolkit, managing state is
simpler and less verbose:
Easy setup.
Powerful APIs like createSlice and
createAsyncThunk.
Seamless TypeScript integration.
06

Conclusion
Redux is still an excellent choice for large or
complex applications, especially with the ease
of Redux Toolkit. Just evaluate your app’s
needs before adding it to your stack!

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