# Redux

Redux is a predictable state container for JavaScript apps, often used with React but also usable with other frameworks or vanilla JavaScript. It is based on the Flux architecture and enforces a unidirectional data flow, which makes state mutations predictable.

**How Redux Works:**

* **Single Source of Truth**: Redux uses a single store that holds the entire state of your application. This makes it easier to track changes over time and debug or inspect the application.
* **State is Read-Only**: The only way to change the state is to dispatch an action, which is a plain JavaScript object describing what happened. This ensures that neither the views nor the network callbacks will ever write directly to the state.
* **Changes are Made with Pure Functions**: To specify how the state tree is transformed by actions, you write pure reducers. A reducer is a pure function that takes the previous state and an action and returns the next state.

**Services Provided by Redux:**

* **Centralized State Management**: Redux provides a central place to store and manage all application state, making it easier to keep different parts of the UI in sync.
* **DevTools**: Redux offers powerful development tools for time-travel debugging, state inspection, and hot reloading of reducers.
* **Middleware**: Redux allows the use of middleware for logging, crash reporting, asynchronous API handling, and more.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://attr.sygnal.com/sa5-state/state/state-handlers/redux.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.