React toastify : Prevent displaying duplicate Toast

3 min read 05-10-2024
React toastify : Prevent displaying duplicate Toast


React Toastify: How to Prevent Duplicate Toasts From Cluttering Your Interface

Toast notifications are a popular way to provide feedback to users in web applications. However, if not implemented carefully, they can quickly become overwhelming, especially when dealing with multiple actions that trigger toasts. This is where duplicate toasts become a problem. Imagine a user attempting to submit a form multiple times, resulting in a barrage of identical "Submitting..." toasts! To prevent such a situation, we need a way to control how React Toastify handles duplicate toasts.

Understanding the Problem:

React Toastify is a powerful library for managing toast notifications. It allows you to easily display toasts with different styles, positions, and durations. The problem arises when you trigger the same toast notification multiple times in a short period. This can lead to a cluttered user interface and confuse users.

Scenario and Code:

Let's say we have a simple form where the user can submit data. Here's how we might use React Toastify to display a "Submitting..." toast:

import React, { useState } from 'react';
import { toast } from 'react-toastify';
import 'react-toastify/dist/ReactToastify.css';

const MyForm = () => {
  const [isLoading, setIsLoading] = useState(false);

  const handleSubmit = async (event) => {
    event.preventDefault();
    setIsLoading(true);

    // Simulate form submission
    await new Promise((resolve) => setTimeout(resolve, 2000));

    setIsLoading(false);

    toast.success("Data submitted successfully!"); 
  };

  return (
    <form onSubmit={handleSubmit}>
      {/* Form content here */}
      <button type="submit" disabled={isLoading}>
        {isLoading ? 'Submitting...' : 'Submit'}
      </button>
    </form>
  );
};

export default MyForm;

In this example, if the user clicks the "Submit" button multiple times before the submission process is complete, the "Submitting..." toast will appear repeatedly. This creates a messy and distracting experience.

Solution: Preventing Duplicate Toasts with toast.isActive

React Toastify provides a convenient way to prevent duplicate toasts using the toast.isActive function. This function checks if a toast with the same ID is currently active. By using this function, we can ensure that only one toast with a specific message is displayed at a time.

Revised Code with Duplicate Toast Prevention:

import React, { useState } from 'react';
import { toast } from 'react-toastify';
import 'react-toastify/dist/ReactToastify.css';

const MyForm = () => {
  const [isLoading, setIsLoading] = useState(false);

  const handleSubmit = async (event) => {
    event.preventDefault();
    setIsLoading(true);

    // Check if a toast with the same message is already active
    if (!toast.isActive('submit-toast')) { 
      toast.info('Submitting...', { toastId: 'submit-toast' });
    }

    // Simulate form submission
    await new Promise((resolve) => setTimeout(resolve, 2000));

    setIsLoading(false);

    toast.success("Data submitted successfully!"); 
  };

  return (
    // ... form content ...
  );
};

export default MyForm;

In the revised code, we added a check using toast.isActive('submit-toast') before displaying the toast. If a toast with the ID 'submit-toast' is already active, we don't show a new one. We also assign the toastId property to the toast to uniquely identify it.

Additional Insights:

  • Unique Toast IDs: Using unique toast IDs is crucial for effective duplicate toast prevention. Consider using a combination of message content and a timestamp for robust ID generation.
  • Conditional Toasts: Instead of always displaying a toast, you can conditionally show toasts based on specific conditions, such as form validation errors or successful API calls.
  • Customizing Toast Behavior: React Toastify allows you to customize various aspects of toast behavior, such as duration, position, and auto-close. Explore these options to tailor toasts to your specific needs.

Conclusion:

Preventing duplicate toasts is essential for creating a clean and efficient user interface. By leveraging the toast.isActive function and assigning unique IDs to your toasts, you can effectively manage toast notifications and avoid unnecessary clutter. Remember to experiment and customize toasts to suit your application's specific requirements.

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