
useformstate nextjs is a game-changer for form implementation. It allows you to manage form state in a Next.js application with ease.
By using useformstate, you can simplify your form handling code and reduce the complexity of managing form data. This is especially useful when dealing with nested forms or complex validation rules.
useformstate provides a hook-based API that makes it easy to create and manage form state in your Next.js application. With this hook, you can access the current form state and update it in real-time.
By leveraging useformstate, you can create more robust and maintainable forms in your Next.js application. This is a key benefit of using this library, as it helps to reduce the amount of boilerplate code required for form implementation.
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Form Implementation
In a simple form, we use the "name" property of HTML's input tag, which is given value by the "inputName" property, for picking data from the form inputs.
A different take: Form Submit Nextjs
To create a simple form that accepts a name and an age, we use the "name" property of HTML's input tag and the "inputName" property.
The submit button is where we use an aspect of useFormStatus, specifically the loading state, which is a Boolean value called "pending". This allows us to disable the submit button to avoid multiple form submit calls.
We can also use this loading state to change the text on the button, like we've done here.
The form's action attribute is used for our submit action. We create an action for the purpose of form submission using useFormState, which takes two values: the action we want to perform when submitting the form, and the initial state values of the form.
useFormState returns two values in the form of an array, which we can use to get the updated value and a function that mirrors our created function, the "saveProfile" function.
The new function, "updateProfile", is used for our form submission. When the form is submitted, we get the updated values again in the first value of the returned array.
On a similar theme: Next Js Tailwind Spinner Loading Page
To use this with our form, we pass the new function we got from useFormState to the form's action property. This allows us to retrieve the data using the get function of the FormData.
We can add some validation to our form submit function using regex or service API for more checks if required.
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Server-Side Logic
Server-side logic in Next.js allows you to move some of your application's logic from the client-side to the server-side, making it more secure and scalable.
This is particularly useful when dealing with sensitive data or complex business logic that should not be executed on the client-side.
By utilizing server-side rendering, you can render pages on the server, and then send the rendered HTML to the client.
A fresh viewpoint: Next Js Client Side Rendering
Next.js Component Editor
The Next.js Component Editor is a powerful tool for building dynamic user interfaces. It allows you to create reusable components that can be used across your application.
One such component is the users Add/Edit component, which is used for both adding and editing users. It contains a form built with the React Hook Form library.
The form validation rules are defined with the Yup schema validation library. This library is used to define the validation rules for the form, ensuring that user input meets the required criteria.
The onSubmit function is called when the form is submitted and valid. This function either creates or updates a user depending on whether the form is in "add mode" or "edit mode".
In "add mode", the password field is required, whereas in "edit mode", the user details are assigned to the form default values to pre-populate the form when it loads. This allows users to easily edit existing user information.
The form fields are registered with the React Hook Form by calling the register() function with the field name from each input element. This ensures that the form fields are properly validated and updated.
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Source Code
In Next-Auth v5, form data is sent to the server side, which is a crucial step in implementing Authentication.
We'll be using Next-Auth v5 to handle authentication, which is a powerful library for authentication in Next.js applications.
To implement authentication, we need to send form data to the server side, which can be done using Next-Auth v5.
Next-Auth v5 provides a simple and efficient way to handle authentication, making it a great choice for Next.js applications.
We'll be looking to implement authentication using Next-Auth v5, which will allow us to securely handle user data and authentication.
On a similar theme: Nextjs Middleware Firebase Auth
Server Actions and Mutations
Server actions are essentially server-side functions that perform operations such as creating, reading, updating, and deleting (CRUD) data.
These actions can be triggered by user interactions or other events, and they can be used to implement business logic, validate user input, and interact with external systems.
A server action can be as simple as retrieving a list of items from a database, or as complex as processing a payment or sending a notification.
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Server actions can be categorized into two main types: synchronous and asynchronous. Synchronous actions execute immediately and return a response, while asynchronous actions execute in the background and return a response when complete.
Mutations are a type of server action that update data on the server, often in response to user input or other events.
For another approach, see: Server Actions Nextjs
Sources
- https://jasonwatmore.com/post/2021/08/31/next-js-combined-add-edit-create-update-form-example
- https://blogs.perficient.com/2024/03/26/useformstate-in-next-js-form-management/
- https://javascript.plainenglish.io/client-side-form-validation-with-zod-useformstate-in-next-js-14-dc011a9c44fb
- https://nextjs.org/blog/next-14
- https://nextjs.org/docs/app/building-your-application/data-fetching/server-actions-and-mutations
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