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Introduction to Redux
course content

Kursusindhold

Introduction to Redux

Introduction to Redux

1. Getting Started
What is Redux?Why Redux? When to use Redux?Setting up a React-Redux Application
2. Fundamental Concepts
Redux ActionsRedux ReducersRedux StoreStore Dispatch MethodSelectorsRedux Data Flow
3. Redux in Practice
Redux Application Structure Modifying the Template for UseCreating the Redux StoreRedux SliceCreating a SliceUnderstanding SliceUsing Selectors to access StateModifying State by Dispatching ActionsThunk FunctionsRules for ReducersUnderstanding the Counter Application
4. Creating a React-Redux Application
The ApplicationSetting Up the ApplicationCreating the UI SkeletonCreating the Profile SliceCreating the Posts SliceCompleting the Posts featureDisplaying Number of Posts and UsersAdding CSS Styling

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Creating the Posts Slice

Now we will create the posts slice to be able to create, store and display posts. Create a new file called postsSlice.js in the features folder. We will use the createSlice function to create the slice, as we did in the previous chapter.

The slice will have a posts array which will initially be empty, lastID state which will have a value of 0 initially, and a createPost action which will be used for appending posts (in the form of JS objects) to the array in the store.

We also need to export the action, a selector, and reducer.

js

Now that the export is done, we will import it in the store.js to create the slice. The store.js should look something like this:

js

In the next chapter, we will try to make the posting feature functional.

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Sektion 4. Kapitel 5

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course content

Kursusindhold

Introduction to Redux

Introduction to Redux

1. Getting Started
What is Redux?Why Redux? When to use Redux?Setting up a React-Redux Application
2. Fundamental Concepts
Redux ActionsRedux ReducersRedux StoreStore Dispatch MethodSelectorsRedux Data Flow
3. Redux in Practice
Redux Application Structure Modifying the Template for UseCreating the Redux StoreRedux SliceCreating a SliceUnderstanding SliceUsing Selectors to access StateModifying State by Dispatching ActionsThunk FunctionsRules for ReducersUnderstanding the Counter Application
4. Creating a React-Redux Application
The ApplicationSetting Up the ApplicationCreating the UI SkeletonCreating the Profile SliceCreating the Posts SliceCompleting the Posts featureDisplaying Number of Posts and UsersAdding CSS Styling

book
Creating the Posts Slice

Now we will create the posts slice to be able to create, store and display posts. Create a new file called postsSlice.js in the features folder. We will use the createSlice function to create the slice, as we did in the previous chapter.

The slice will have a posts array which will initially be empty, lastID state which will have a value of 0 initially, and a createPost action which will be used for appending posts (in the form of JS objects) to the array in the store.

We also need to export the action, a selector, and reducer.

js

Now that the export is done, we will import it in the store.js to create the slice. The store.js should look something like this:

js

In the next chapter, we will try to make the posting feature functional.

Var alt klart?

Hvordan kan vi forbedre det?

Tak for dine kommentarer!

Sektion 4. Kapitel 5
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