What are the methods to deactivate <Link href="" /> in Next JS based on different conditions?

Here is my code snippet for navigating to previous and next posts based on certain conditions:

<Link href={/blog/${bdetails.id - 1}}> Prev Post <Link href={/blog/${bdetails.id + 1}}> Next Post

Query:

I am looking to navigate to the previous or next post, but only under specific conditions.

Clarification:

In my [id].js file, I have an array of blog data that includes bdetails.id. This information is passed as props to my BlogDetailContent.js component. I aim to manage when the previous button should be disabled by checking if the bdetails.id equals 1 using a ternary operator or an if condition. I prefer not to utilize next/router, and would like this functionality to be within a function component rather than a class component.

javascriptnext.jshyperlink

Answer №1

For Next.js Version 12 and Above

In order to handle certain conditions, you will need to apply the following:

  1. pointer-event: none - this disables mouse events.
  2. aria-disabled="true" - indicates to screen readers that the link is disabled.
  3. tabIndex="-1" - disallows keyboard navigation.

Applying CSS

CSS

.disabled {
  pointer-events: none
}

JSX

<Link 
  href='/link' 
  className={someCondition ? 'disabled': ''} 
  aria-disabled={someCondition} 
  tabIndex={someCondition ? -1 : undefined}
>Link</Link>

Utilizing TailwindCSS

JSX

<Link 
  href='/link' 
  className={someCondition ? 'pointer-events-none' : ''} 
  aria-disabled={someCondition} 
  tabIndex={someCondition ? -1 : undefined}
>Link</Link>

Implementing Inline Styles

JSX

<Link 
  href='/link' 
  style={
    'pointer-event' someCondition ? 'none' : 'auto'
  } 
  aria-disabled={someCondition} 
  tabIndex={someCondition ? -1 : undefined}
>Link</Link>

Previous Solution for Older Versions

If you are using an older version of Next.js, you can add an a tag within the Link component and apply a class with pointer-events: none; based on your condition.

<Link 
  href='/link' 
  passHref>
  <a className={someCondition ? 'disabled' : ''}>Link</a>
</Link>

CSS

.disabled{
  pointer-events: none;
}

Answer №2

It is no longer supported to use <a> within <Link> in the Next.js framework. As a workaround, you can prevent link clicking by implementing the following:

<Link
  href={url}
  target="_blank"
  style={{
    pointerEvents: (condition) ? "none" : "auto",
  }}>
  Your Conditional Link
</Link>

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