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Showing content from https://github.com/fkhadra/react-toastify/releases/latest below:

Release v11 · fkhadra/react-toastify · GitHub

I’m super excited about this release! The main focus was on customization, and my goal was to empower you (and myself) so you can fully personalize the look and feel for the notifications.

In short, react-toastify should be able to blend into any design system.

The stylesheet is now injected automatically, so you no longer need to import it. The CSS file is still exported by the library.

  import { ToastContainer, toast } from 'react-toastify';

  function App(){
    const notify = () => toast("Wow so easy !");

    return (
      <div>
        <button onClick={notify}>Notify !</button>
        <ToastContainer />
      </div>
    );
  }

One of the top requests has been how to customize notifications. To be fair, until this release, it was quite challenging because it required users to override numerous CSS classes.

I’ve simplified the DOM structure of the notification by removing extraneous div elements, nested elements, etc... It’s a significant breaking change, but it’s truly worth the effort. I can confidently say that the library can now seamlessly integrate into any design system.

Below, I’ve implemented a couple of different designs using only Tailwind. I didn’t override a single CSS class from react-toastify 🤯!

How does it work in practice? On the left side, we have the old DOM structure vs the new one on the right side.

• Toastify__toast-body and its child are now completely gone.
• The CloseButton now uses an absolute position.

Thanks to those changes, nothing will interfere with your content.

Toastify__toast has some sensible default values(e.g., border-radius, shadow, etc...) that can be customized using css or by updating the associated css variables:

width: var(--toastify-toast-width);
min-height: var(--toastify-toast-min-height);
padding: var(--toastify-toast-padding);
border-radius: var(--toastify-toast-bd-radius);
box-shadow: var(--toastify-toast-shadow);
max-height: var(--toastify-toast-max-height);
font-family: var(--toastify-font-family);

Allowing a custom progress bar wasn’t on my to-do list at all while working on this release. But seeing how easy it is to customize notifications now, I couldn’t resist 😆.

The best part is that you don’t have to compromise on features like autoClose, pauseOnHover, pauseOnFocusLoss, or even a controlled progress bar—it just works seamlessly for you.

Here is a small gist.

function App() {
  const notify = () => {
    toast(CustomComponent, {
      autoClose: 8000,
      // removes the built-in progress bar
      customProgressBar: true
    });
  };

  return (
    <div>
      <button onClick={notify}>notify</button>
      <ToastContainer />
    </div>
  );
}

// isPaused is now available in your component
// it tells you when to pause the animation: pauseOnHover, pauseOnFocusLoss etc...
function CustomComponent({ isPaused, closeToast }: ToastContentProps) {
  return (
    <div>
      <span>Hello</span>
      <MyCustomProgressBar isPaused={isPaused} onAnimationEnd={() => closeToast()} />
    </div>
  );
}

ToastContainer and toast accept an ariaLabel prop(finally...). This is quite helpful for screen readers and also for testing.
For example, in cypress you could do cy.findByRole("alert", {name: "the aria label you specified"}).

toast("hello", {
  ariaLabel: "something"
})

If a notification is visible and the user presses alt+t it will focus on the first notification allowing the user to use Tab to navigate through the different elements within the notification.

The hotKeys can be changed of course.

// focus when user presses ⌘ + F
const matchShortcut = (e: KeyboardEvent) => e.metaKey && e.key === 'f'

<ToastContainer hotKeys={matchShortcut} ariaLabel="Notifications ⌘ + F" />

Do you want to know whether the user closed the notification or if it closed automatically? Rest assured, this is now possible!

The signature of the onClose callback is now onClose(reason?: boolean | string) => void.

When the user closes the notification, the reason argument is equal to true. In the example below, I've named my argument
removedByUser to make the intent clear.

toast("hello", {
  onClose(removedByUser){
    if(removedByUser) {
      // do something
      return
    }

    // auto close do something else
  }
})

If you are using a custom component for your notification, you might want more control over the reason, especially if it contains
multiple call to actions.

import { ToastContentProps } from "react-toastify";

function CustomNotification({closeToast}: ToastContentProps) {
  return <div>
      You received a new message
      <button onClick={() => closeToast("reply")}>Reply</button>
      <button onClick={() => closeToast("ignore")}>Ignore</button>
    </div>
}

toast(CustomNotification, {
  onClose(reason){
    switch (reason) {
      case "reply":
        // navigate to reply page for example or open a dialog
      case "ignore":
        // tell the other user that she/he was ghosted xD
      default:
        // 🤷‍♂️
    }
  }
})

Those hooks are unusable unless you deep dive in react-toastify source code to understand how to glue things together. This is not what I want for my users, it was a bad decision to expose them in the first place, I've learned a good lesson.

In hindsight, I should never have done this. The feature is practically not used. Below the new signature for each callback:

• onOpen: () => void
• onClose: (reason?: boolean | string) => void

• react-toastify/dist/ReactToastify.minimal.css has been removed.
• Scss is out of the picture now. The library uses good old css.
• bodyClassName and bodyStyle are no longer needed.
• progressBarStyle in order to reduce the api surface. They are now better way to customize everything without relying on inline style.
• injectStyle has been removed. This function is no longer needed.
• The css class Toastify__toast-body and its direct child have been removed.
  

• add support for react19 #1177 #1185
• reexport CloseButtonProps #1165
• fix newestOnTop for real this time #1176
• no longer throw this ugly error: Cannot set properties of undefined (setting 'toggle') #1170
• onClose callback is no longer delayed until the exit animation completes #1179

I'm gradually rewriting part of the documentation. I've created a collection on stackblitz, this way you can find all the examples in one place. I'll keep adding more examples as I go.

I've been maintaining react-toastify for more than 8 years. If your company depends on it, consider contributing to its continued development and maintenance. Open-source software thrives with community support, and funding helps ensure we(the maintainers) can keep improving and innovating.

Every contribution, big or small, makes a difference and is greatly appreciated.

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