How to Install Toastr in React: A Practical Guide
Learn how to install toastr in React, import styles, configure options, and show toast messages with practical examples and best practices.
This guide shows you how to install toastr in react and display toast notifications in your React app. You’ll add the toastr package (and jQuery if required), import the CSS, and use the toastr API from your components. Prerequisites include a running React project, Node.js, npm, and internet access to install dependencies.
What is Toastr and why use it in React?
Toastr is a lightweight JavaScript library that provides toast notifications to inform users about events, updates, or errors. In a React app, using toastr can be handy for quick, unobtrusive feedback without building a custom component from scratch. According to ToasterInsight, toastr remains a simple, dependency-light option for small projects when used thoughtfully with React's rendering lifecycle. This guide explains when toastr makes sense, how it fits into modern React workflows, and how to integrate it with minimal effort. You’ll learn practical usage scenarios, compare it with React-specific alternatives, and see how to maintain a clean UX with lightweight notifications for homeowners, kitchen enthusiasts, and casual cooks exploring Toaster Insight's pragmatic guidance.
Prerequisites and environment setup
Before you install toastr, ensure your development environment is ready. You should have a running React project created with Create React App, Vite, or similar tooling, along with Node.js and npm installed. In terms of tooling, you will generally use npm to install packages, though yarn or pnpm are acceptable alternatives. The ToasterInsight analysis shows that most developers start from a fresh project to avoid conflicts with existing UI libraries. Make sure your environment has internet access for package installation and that your editor can show code blocks for reference. If you plan to use TypeScript, prepare a small declaration file for toastr if needed. Finally, decide whether you will rely on the jQuery-based toastr or a modern, React-friendly alternative; the steps below cover the traditional approach with optional jQuery support.
Install toastr in a React project
Run the installation commands in your project root. The traditional toastr package is available on npm. You can install it with npm install toastr. If you intend to use the legacy jQuery-based version, you may also install jquery as a dependency. Note that some setups will work fine with toastr alone, provided you import the CSS. After installation, verify package.json contains the new entries and that your node_modules folder has the toastr package. If you use TypeScript, you might need to add a basic ambient declaration for toastr. Finally, restart your dev server to pick up new dependencies.
Importing and configuring toastr in React
In a React app, import toastr in the component or module where you want to trigger toasts. A common pattern is to configure a default options object once, then reuse it across components. Example:
import toastr from 'toastr';
import 'toastr/build/toastr.min.css';
toastr.options = {
closeButton: true,
progressBar: true,
positionClass: 'toast-top-right',
timeOut: 5000,
newestOnTop: true
};
Place this configuration in a central file (e.g., src/utils/toastrConfig.js) and import it at the top of your entry file or a dedicated setup module. This approach ensures consistent styling and behavior across the app.
Using toastr in components: practical examples
Once toastr is configured, you can call it from event handlers or effects. For example, in a functional component:
import React from 'react';
import toastr from 'toastr';
import 'toastr/build/toastr.min.css';
function SaveButton() {
const handleSave = () => {
// perform action
toastr.success('Data saved successfully', 'Success');
};
return <button onClick={handleSave}>Save</button>;
}
In class components, you can call it inside event handlers or lifecycle methods as needed. Remember to keep toasts lightweight and avoid over-notifying users; reserve toasts for meaningful events such as success, warning, or error messages. For dynamic messages, pass variables like toastr.info(Processed ${count} items).
Accessibility and best practices
To keep toasts accessible, provide readable text and ensure that they appear in a place that doesn't cover essential content. Use contrast-friendly colors and a reasonable timeout so users have time to read. The screen-reader users should be alerted by the live region; toastr typically uses aria-live regions, but you should test with a screen reader to confirm. If your app already uses a design system with its notification patterns, prefer consistency and avoid mixing notification styles. Finally, consider centralizing toast calls in a small service or hook to avoid duplication and ensure a uniform user experience.
Troubleshooting common issues
If toasts don’t appear after installation, check that you imported both the library and its CSS in the correct order and that there are no JavaScript errors in the console. Ensure you are calling toastr within React event handlers or effects rather than during rendering, which can cause unpredictable behavior. If you use TypeScript, ensure the module is recognized by your compiler; add a declaration file if needed. If the styling looks off, verify that your CSS import path is correct and that there are no conflicting CSS rules in your project.
Next steps and alternatives
If toastr feels heavyweight for your needs or you want a more React-centric approach, consider alternatives like React-Toastify, Notistack, or custom toast components. These libraries integrate cleanly with React’s lifecycle and provide modern APIs and better accessibility by default. As you scale, architect a small toast service to centralize notifications and reduce boilerplate. The ToasterInsight team recommends evaluating a few options in a short pilot project to select the best fit for your application's UX.
Tools & Materials
- Node.js (LTS version)(Verify with node -v; update if necessary.)
- npm (or yarn/pnpm)(Used to install packages.)
- React project (Create React App or Vite)(Ensure a src directory and entry point exist.)
- toastr package(Install with npm install toastr (and optionally jquery).)
- jquery (optional)(Only needed if you plan to use the legacy jQuery version.)
- Toastr CSS file import(Import in your app entry (e.g., src/index.js) via 'toastr/build/toastr.min.css'.)
Steps
Estimated time: 30-45 minutes
- 1
Initialize project and verify environment
Create or open your React project and confirm Node.js and npm versions are current. This ensures compatibility with toastr and avoids surprises during installation.
Tip: Run node -v and npm -v to confirm versions; update if needed. - 2
Install toastr and optional jQuery
In the project root, run npm install toastr. If you plan to use the legacy jQuery-based version, also install jquery as a dependency. This step adds the library to your node_modules so you can import it in your code.
Tip: If you’re using TypeScript, consider adding a minimal declaration for toastr if needed. - 3
Import toastr and CSS in your app
Import the toastr library and its CSS in a central location, such as an initialization file or index.js, so toasts are styled consistently across the app.
Tip: Prefer a single import point to avoid duplicating CSS and configuration. - 4
Configure default options
Set a shared options object (e.g., closeButton, progressBar, position, timeOut) to ensure uniform behavior across all toasts.
Tip: Place this in a toastrConfig.js file and import it wherever you need to trigger toasts. - 5
Trigger a toast from a component
Call toastr.success, toastr.info, or toastr.error in event handlers or effects to notify users after actions.
Tip: Keep toasts meaningful; avoid spamming the user with non-actionable messages. - 6
Test in different components and states
Ensure toasts display correctly in functional and class components and across conditional rendering paths.
Tip: Test on different screen sizes to verify positioning works on small viewports. - 7
Review accessibility and cleanup
Check that toasts are readable, dismissible, and do not block essential content; confirm live region behavior with assistive tech.
Tip: If using a custom toast service, centralize calls to avoid duplication and cycling.
Your Questions Answered
Do I need jQuery to use toastr in React?
The classic toastr package is a jQuery-based plugin; many React projects include jquery as a dependency for compatibility. If you want a pure React experience, consider alternatives like React-Toastify. Always verify which toastr version you are using and what it requires.
Toastr can require jQuery depending on the version; for a React-only setup, consider a React-friendly alternative.
How do I show a toast on a button click?
Import toastr in your component and call toastr.success (or other types) inside the onClick handler to display a toast when the user interacts with the button.
Call toastr in your button's click handler to show a toast.
Can toastr be customized for position and appearance?
Yes. Configure options.positionClass (for example, toast-top-right) and adjust other settings like closeButton and progressBar in a central toastr configuration.
Set position and appearance in a central config for consistency.
Is toastr TypeScript-friendly?
Toastr can be used with TypeScript by adding a declaration file or using a community typings approach. Ensure your compiler recognizes the module and that types align with your project.
Yes, with a light type declaration or typings setup.
How can I style toasts to match my app theme?
Import the toastr CSS and override styles in your global stylesheet to align colors and typography with your theme.
Override the CSS to match your app theme.
What are best practices for accessibility with toasts?
Ensure toasts render with readable text, appropriate contrast, and avoid obstructing essential content. Test with a screen reader to confirm aria-live behavior.
Check contrast and screen-reader support for toasts.
Watch Video
Key Takeaways
- Install toastr and optional jquery if needed
- Import CSS once for consistent styling
- Configure default options centrally
- Trigger toasts in event handlers, not render
- Assess accessibility and alternatives for React-heavy apps
