Implementing Syncfusion React Notifications

Toast

The Syncfusion React Toast component displays brief, non-intrusive notifications that auto-dismiss after a configurable timeout. Toasts support rich content through templates, action buttons, animated entry/exit, precise positioning, and programmatic control via ToastUtility.

🛑 Agentic use: Do not execute multiple steps autonomously. Confirm with the user before each action (install, run, file creation).

Package and Setup

📄 Read: references/getting-started.md

• Installing @syncfusion/ej2-react-notifications 🛑 STOP — Do not install packages autonomously. Ask the user to run: `npm install @syncfusion/[email protected] --save`. Verify with `npm audit`
• CSS imports for all required themes
• Basic ToastComponent usage (class and functional patterns)
• Rendering toast in a custom target container
• Triggering show in the created event

Documentation and Navigation Guide

#### Configuration and Layout

📄 Read: references/configuration.md

• Setting title and content (plain text, HTML, elements)
• Custom target container for scoped notifications
• showCloseButton for manual dismissal
• showProgressBar and progressDirection (Ltr / Rtl)
• newestOnTop stacking order
• width and height dimensions (px, %, auto)

#### Positioning

📄 Read: references/position.md

• Nine predefined X/Y positions (Left, Center, Right / Top, Bottom)
• Custom pixel and percentage coordinates
• Targeting a container element for relative positioning
• Multiple Toast instances at different screen positions

#### Timeout and Dismissal

📄 Read: references/timeout-and-dismissal.md

• timeOut property (default 5000 ms)
• extendedTimeout on hover (default 1000 ms)
• Static persistent toasts with timeOut: 0
• Click-to-close via clickToClose in the click event
• Preventing mobile swipe dismissal with beforeClose

#### Templates and Styling

📄 Read: references/templates-and-styling.md

• template property with HTML strings and DOM selectors
• Dynamic templates passed at show() call time
• Semantic CSS classes: e-toast-success, e-toast-info, e-toast-warning, e-toast-danger
• CSS selectors for title, content, icon, and background customization

#### Animation

📄 Read: references/animation.md

• animation property with show and hide effect settings
• Available effects: FadeIn, FadeZoomIn, SlideBottomIn, ZoomIn, FlipLeftUpIn, and more
• Default: FadeIn / FadeOut
• Accessibility: reduced-motion considerations

#### Toast Services and Advanced Patterns

📄 Read: references/toast-services.md

• ToastUtility.show() for quick toasts without component instantiation
• Four predefined types: Information, Success, Error, Warning
• Passing a full ToastModel to ToastUtility.show()
• Playing audio on beforeOpen
• Restricting maximum simultaneous toasts with beforeOpen
• Preventing duplicate toasts using beforeOpen + close

#### Accessibility

📄 Read: references/accessibility.md

• WAI-ARIA: role="alert", aria-live="assertive", aria-label
• WCAG 2.2, Section 508, ADA compliance
• Screen reader support (JAWS, NVDA, VoiceOver)
• RTL support via enableRtl
• Mobile and accessibility checker validation

#### API Reference

📄 Read: references/api.md

• All properties with types, defaults, and descriptions
• show() and hide() method signatures
• All events: beforeOpen, open, click, beforeClose, close, created, destroyed, beforeSanitizeHtml

Quick Start Example

🛑 STOP — Do not start the dev server autonomously. Ask the user to run: `npm run dev` after setup.

import { ToastComponent } from '@syncfusion/ej2-react-notifications';
import '@syncfusion/ej2-base/styles/tailwind3.css';
import '@syncfusion/ej2-react-notifications/styles/tailwind3.css';
import { useRef } from 'react';

function App() {
  const toastRef = useRef<ToastComponent>(null);

  return (
    <>
      <button onClick={() => toastRef.current?.show()}>Show Toast</button>
      <ToastComponent
        ref={toastRef}
        title="Success!"
        content="Your changes have been saved."
        cssClass="e-toast-success"
        position={{ X: 'Right', Y: 'Bottom' }}
        timeOut={4000}
        showProgressBar={true}
        showCloseButton={true}
      />
    </>
  );
}

Quick Utility Toast (No Component Needed)

import { ToastUtility } from '@syncfusion/ej2-react-notifications';

// Show a success toast instantly
ToastUtility.show('File saved successfully', 'Success', 3000);

// Show an error toast
ToastUtility.show('Connection failed', 'Error', 5000);

Common Patterns

#### Semantic type toasts Use cssClass with e-toast-success, e-toast-info, e-toast-warning, e-toast-danger for visual differentiation — see references/templates-and-styling.md.

#### Static/persistent toasts Set timeOut: 0 with showCloseButton: true for notifications users must explicitly dismiss — see references/timeout-and-dismissal.md.

#### Action-required toasts Use the buttons property to add Ignore/Confirm/Undo buttons — see references/configuration.md.

#### Prevent duplicates Use the beforeOpen event to cancel duplicate toasts already on screen — see references/toast-services.md.

#### Limit max visible toasts Cap simultaneous toasts at N using beforeOpen and element.childElementCount — see references/toast-services.md.

Message

The Syncfusion MessageComponent displays contextual messages with visual severity indicators—icons and colors—to communicate importance and context to end users. It supports five severity levels, three visual variants, close-icon dismissal, custom templates, and full accessibility compliance.

🛑 Agentic use: Do not execute multiple steps autonomously. Confirm with the user before each action (install, run, file creation).

Navigation Guide

#### Getting Started 📄 Read: references/message-getting-started.md

• Installation of @syncfusion/ej2-react-notifications 🛑 STOP — Do not install packages autonomously. Ask the user to run: `npm install @syncfusion/[email protected] --save`. Verify with `npm audit`
• CSS imports and theme configuration
• Rendering the first MessageComponent
• Content via content prop or JSX children
• Running the Vite development server

#### Severity Levels 📄 Read: references/message-severities.md

• Five severity levels: Normal, Success, Info, Warning, Error
• severity prop usage and valid values
• Visual distinctions (icons and colors per severity)
• Choosing the right severity for your use case

#### Display Variants 📄 Read: references/message-variants.md

• Three variants: Text (default), Outlined, Filled
• variant prop usage
• Combining variant with severity
• Visual trade-offs and when to use each

#### Icons and Close Icon 📄 Read: references/message-icons-and-close.md

• Severity icon visibility: showIcon prop (default true)
• Disabling severity icons
• Custom severity icons via cssClass CSS overrides
• Close icon: showCloseIcon prop (default false)
• closed event handler for dismiss callbacks
• Toggling visibility with the visible prop

#### Customization and Templates 📄 Read: references/message-customization.md

• Content alignment: left (default), center (e-content-center), right (e-content-right)
• Custom appearance with cssClass
• CSS-only message rendering (no JS, pure HTML + CSS)
• Content templates: JSX element or render function via content prop
• RTL support via enableRtl
• Persistence with enablePersistence

#### Accessibility 📄 Read: references/message-accessibility.md

• WCAG 2.2, Section 508, ADA compliance
• WAI-ARIA attributes (role=alert, aria-label)
• Keyboard navigation (Tab, Enter/Space)
• Screen reader support

#### API Reference 📄 Read: references/message-api.md

• All properties with types, defaults, and descriptions
• Methods: destroy, getPersistData
• Events: closed, created, destroyed
• MessageCloseEventArgs interface
• Severity and Variant enum values

Quick Start

🛑 STOP — Do not start the dev server autonomously. Ask the user to run: `npm run dev` after setup.

npm install @syncfusion/[email protected] --save
npm audit

/* src/App.css */
@import '../node_modules/@syncfusion/ej2-base/styles/tailwind3.css';
@import '../node_modules/@syncfusion/ej2-react-notifications/styles/tailwind3.css';

import { MessageComponent } from '@syncfusion/ej2-react-notifications';
import './App.css';

function App() {
  return (
    <MessageComponent content="Please read the comments carefully" />
  );
}
export default App;

Common Patterns

#### Severity Messages

<MessageComponent content="Editing is restricted" />
<MessageComponent content="Operation completed" severity="Success" />
<MessageComponent content="Read these notes" severity="Info" />
<MessageComponent content="Check your connection" severity="Warning" />
<MessageComponent content="Submission failed" severity="Error" />

#### Variant + Severity Combo

<MessageComponent content="Editing is restricted" variant="Filled" />
<MessageComponent content="Operation completed" severity="Success" variant="Outlined" />
<MessageComponent content="Submission failed" severity="Error" variant="Filled" />

#### Dismissible Message

import { useState } from 'react';

function App() {
  const [visible, setVisible] = useState(true);
  return (
    <MessageComponent
      content="Your session will expire soon"
      severity="Warning"
      showCloseIcon={true}
      visible={visible}
      closed={() => setVisible(false)}
    />
  );
}

#### Content Template

const contentTemplate = () => (
  <div>
    <h4>Build succeeded</h4>
    <p>All 42 tests passed.</p>
  </div>
);

<MessageComponent content={contentTemplate} severity="Success" />

Skeleton

The Syncfusion React SkeletonComponent renders animated placeholder shapes that mimic the layout of loading content. It reduces perceived load time and communicates progress to users with configurable shapes, shimmer animations, and full accessibility support.

Package: @syncfusion/ej2-react-notifications

🛑 Agentic use: Do not execute multiple steps autonomously. Confirm with the user before each action (install, run, file creation).

Navigation Guide

#### Getting Started 📄 Read: references/skeleton-getting-started.md

• Installing @syncfusion/ej2-react-notifications 🛑 STOP — Do not install packages autonomously. Ask the user to run: `npm install @syncfusion/[email protected] --save`. Verify with `npm audit`
• CSS theme imports (tailwind3)
• Minimal SkeletonComponent setup with height and width
• Running the Vite/React app

#### Shapes 📄 Read: references/skeleton-shapes.md

• shape prop: "Circle", "Square", "Rectangle", "Text" (default)
• Dimension rules: width required for Circle/Square; width + height for Rectangle/Text
• Building multi-shape card skeleton layouts
• Choosing the right shape for avatar, image, text, and icon placeholders

#### Shimmer Effects 📄 Read: references/skeleton-shimmer-effect.md

• shimmerEffect prop: "Wave" (default), "Pulse", "Fade"
• Visual behavior of each effect type
• List skeleton example with Pulse effect
• Selecting an effect to match UI context

#### Styles and Visibility 📄 Read: references/skeleton-styles.md

• cssClass prop for custom CSS overrides (wave color, background, animation speed)
• visible prop to toggle skeleton on/off based on loading state
• Transition pattern: skeleton → actual content
• CSS variable customization

#### Accessibility 📄 Read: references/skeleton-accessibility.md

• WCAG 2.2, Section 508, ADA compliance
• WAI-ARIA attributes: role="status", aria-label, aria-live, aria-busy
• label prop for accessible skeleton names
• RTL support via enableRtl
• prefers-reduced-motion respect

#### API Reference 📄 Read: references/skeleton-api.md

• All properties: cssClass, enablePersistence, enableRtl, height, label, locale, shape, shimmerEffect, visible, width
• Methods: destroy()
• SkeletonType and ShimmerEffect enum values

Quick Start

🛑 STOP — Do not start the dev server autonomously. Ask the user to run: `npm run dev` after setup.

npm install @syncfusion/[email protected] --save
npm audit

/* src/App.css */
@import "../node_modules/@syncfusion/ej2-base/styles/tailwind3.css";
@import "../node_modules/@syncfusion/ej2-notifications/styles/tailwind3.css";

import { SkeletonComponent } from '@syncfusion/ej2-react-notifications';
import * as React from 'react';
import './App.css';

function App() {
  return (
    <SkeletonComponent height="15px" width="100%" />
  );
}
export default App;

Common Patterns

#### Profile Card Skeleton

import { SkeletonComponent } from '@syncfusion/ej2-react-notifications';
import * as React from 'react';

function ProfileCardSkeleton() {
  return (
    <div style={{ display: 'flex', alignItems: 'center', gap: '12px', padding: '16px' }}>
      {/* Avatar placeholder */}
      <SkeletonComponent shape="Circle" width="48px" />
      {/* Name and subtitle placeholders */}
      <div style={{ flex: 1 }}>
        <SkeletonComponent width="60%" height="15px" />
        <br />
        <SkeletonComponent width="40%" height="12px" />
      </div>
    </div>
  );
}
export default ProfileCardSkeleton;

#### Toggle Skeleton on Data Load

import { SkeletonComponent } from '@syncfusion/ej2-react-notifications';
import * as React from 'react';

function DataCard() {
  const [loading, setLoading] = React.useState(true);
  const [content, setContent] = React.useState('');

  React.useEffect(() => {
    setTimeout(() => {
      setContent('Data loaded successfully');
      setLoading(false);
    }, 2000);
  }, []);

  return (
    <div>
      {loading ? (
        <SkeletonComponent width="80%" height="20px" />
      ) : (
        <p>{content}</p>
      )}
    </div>
  );
}
export default DataCard;

#### Shimmer List with Pulse Effect

import { SkeletonComponent } from '@syncfusion/ej2-react-notifications';
import * as React from 'react';

function ListSkeleton() {
  return (
    <ul style={{ listStyle: 'none', padding: 0 }}>
      {[1, 2, 3].map((i) => (
        <li key={i} style={{ display: 'flex', gap: '10px', marginBottom: '12px' }}>
          <SkeletonComponent shape="Circle" width="40px" shimmerEffect="Pulse" />
          <div style={{ flex: 1 }}>
            <SkeletonComponent width="70%" height="14px" shimmerEffect="Pulse" />
            <br />
            <SkeletonComponent width="45%" height="12px" shimmerEffect="Pulse" />
          </div>
        </li>
      ))}
    </ul>
  );
}
export default ListSkeleton;

Key Props at a Glance

Spinner

A skill for implementing the Syncfusion React Spinner — a load indicator that blocks user interaction with a target element while an operation is in progress.

🛑 Agentic use: Do not execute multiple steps autonomously. Confirm with the user before each action (install, run, file creation).

Documentation

#### Getting Started 📄 Read: references/spinner-getting-started.md

• Installation: 🛑 STOP — Do not install packages autonomously. Ask the user to run: `npm install @syncfusion/[email protected] --save`. Verify with `npm audit`
• CSS theme imports (ej2-base + ej2-react-popups)
• Basic functional and class component patterns
• createSpinner → showSpinner workflow
• Show/hide control
• Full-page overlay spinner
• Troubleshooting missing styles and TypeScript errors

#### Spinner Features 📄 Read: references/spinner-features.md

• Global spinner configuration with setSpinner
• All SpinnerType values (Material, Bootstrap5, Fluent2, etc.)
• Spinner size via width property
• Label text alongside spinner
• Custom HTML template support
• Show/hide toggle patterns
• Multiple spinners on one page
• Async data fetching with finally cleanup
• React state + spinner synchronization
• Spinner inside cards and modals

#### API Reference 📄 Read: references/spinner-api.md

• createSpinner(args: SpinnerArgs) — full signature and params
• showSpinner(container: HTMLElement) — signature
• hideSpinner(container: HTMLElement) — signature
• setSpinner(args: SetSpinnerArgs) — signature
• SpinnerArgs interface (target, width, label, cssClass, template, type)
• SetSpinnerArgs interface (template, cssClass, type)
• All 11 SpinnerType values
• CSS import paths per theme
• Common invalid API gotchas

#### Customization 📄 Read: references/spinner-customization.md

• cssClass for CSS hook customization
• width for spinner icon sizing
• template for custom HTML animations
• setSpinner for global defaults
• Overriding spinner colors via CSS
• Label positioning with CSS
• Overlay backdrop customization
• Theme-specific type mapping
• Responsive spinner patterns

#### Accessibility 📄 Read: references/spinner-accessibility.md

• aria-busy on the loading region
• aria-live region for screen reader announcements
• type: 'HighContrast' for high contrast displays
• Keyboard accessibility (trigger focus, return focus)
• Focus management patterns
• Complete accessible spinner pattern
• WCAG 2.1 compliance checklist

Quick Start

#### Minimal Spinner (Functional Component)

🛑 STOP — Do not start the dev server autonomously. Ask the user to run: `npm run dev` after setup.

import { createSpinner, showSpinner } from '@syncfusion/ej2-react-popups';
import * as React from 'react';
import { useEffect } from 'react';
import './App.css';

function App() {
  useEffect(() => {
    createSpinner({
      target: document.getElementById('container') as HTMLElement
    });
    showSpinner(document.getElementById('container') as HTMLElement);
  }, []);

  return (
    <div id="container" style={{ height: '200px' }} />
  );
}

export default App;

#### Spinner with Show/Hide Toggle

import { createSpinner, showSpinner, hideSpinner } from '@syncfusion/ej2-react-popups';
import { useEffect, useRef, useState } from 'react';

function DataLoader() {
  const ref = useRef<HTMLDivElement>(null);
  const [loading, setLoading] = useState(false);

  useEffect(() => {
    if (ref.current) {
      createSpinner({ target: ref.current, label: 'Loading...' });
    }
  }, []);

  const load = async () => {
    setLoading(true);
    showSpinner(ref.current as HTMLElement);
    try {
      await fetchData();
    } finally {
      hideSpinner(ref.current as HTMLElement);
      setLoading(false);
    }
  };

  return (
    <div>
      <button onClick={load} disabled={loading}>Load Data</button>
      <div ref={ref} style={{ height: '200px', position: 'relative' }} />
    </div>
  );
}

#### Global Spinner Type

import { setSpinner } from '@syncfusion/ej2-react-popups';

// Call BEFORE any createSpinner — sets global default type
setSpinner({ type: 'Bootstrap5' });

Common Patterns

#### Pattern 1: Async Fetch with Cleanup

const fetchWithSpinner = async (container: HTMLElement) => {
  showSpinner(container);
  try {
    const data = await fetch('/api/data').then(r => r.json());
    return data;
  } finally {
    hideSpinner(container); // Always hide, even on error
  }
};

#### Pattern 2: React State Sync

useEffect(() => {
  if (!ref.current) return;
  if (isLoading) {
    showSpinner(ref.current);
  } else {
    hideSpinner(ref.current);
  }
}, [isLoading]);

#### Pattern 3: Full-Page Loading

useEffect(() => {
  createSpinner({ target: document.body, label: 'Initializing...' });
  showSpinner(document.body);

  initializeApp().finally(() => hideSpinner(document.body));
}, []);

#### Pattern 4: Spinner with Custom Type

createSpinner({
  target: el,
  type: 'Fluent2',
  width: '40px',
  label: 'Processing...',
  cssClass: 'my-overlay'
});

Key API Quick Reference

SpinnerArgs properties: target (required), width, label, cssClass, template, type

SpinnerType values: 'Material' | 'Material3' | 'Fabric' | 'Bootstrap' | 'Bootstrap4' | 'Bootstrap5' | 'HighContrast' | 'Tailwind' | 'Tailwind3' | 'Fluent' | 'Fluent2'

Critical Rules

• ❌ No `SpinnerComponent` class — import { SpinnerComponent } does NOT exist
• ✅ Only use: createSpinner, showSpinner, hideSpinner, setSpinner
• ❌ Do NOT use: color, size, visible, isLoading as SpinnerArgs — they don't exist
• ✅ Valid SpinnerArgs: target, width, label, cssClass, template, type
• ⚠️ Call `createSpinner` BEFORE `showSpinner` — order matters
• ⚠️ Put spinner logic in `useEffect` — the DOM element must exist before calling createSpinner
• ✅ Always call `hideSpinner` in `finally` — prevents stuck loading states

Troubleshooting

Related Components

• Progress Bar — For determinate progress with a percentage
• Skeleton — For content placeholder/shimmer loading patterns
• Toast — For non-blocking loading notifications
• Dialog — For modal loading states that require user acknowledgment

Resources

• Official Docs: https://ej2.syncfusion.com/react/documentation/spinner/
• Getting Started: https://ej2.syncfusion.com/react/documentation/spinner/getting-started
• npm Package: @syncfusion/ej2-react-popups

Badge

The Syncfusion React Badge is a pure CSS component — no React component class to import. Badges are applied by adding CSS modifier classes to a <span> (or <a>) element nested inside the target UI element.

Package: @syncfusion/ej2-react-notifications

🛑 Agentic use: Do not execute multiple steps autonomously. Confirm with the user before each action (install, run, file creation).

Key Features

• 8 color variants — primary, secondary, success, danger, warning, info, light, dark
• Shape types — circle, pill, link, notification, dot, overlap
• Positioning — top (default) and bottom placement on parent elements
• Customization — custom colors, sizes, and arbitrary positions via CSS
• ListView integration — embed badges in list items with dynamic content

Navigation Guide

#### Getting Started 📄 Read: references/getting-started.md

• Package installation: 🛑 STOP — Do not install packages autonomously. Ask the user to run: `npm install @syncfusion/[email protected] --save`. Verify with `npm audit`
• Adding the first badge to a React component
• Minimal working example
• Running the application

#### Badge Types and Shapes 📄 Read: references/types-and-shapes.md

• 8 predefined color variants and their semantic purpose
• Circle, pill, link, notification, dot, overlap shape types
• Badge positioning (top vs bottom)
• When to combine modifier classes (e.g., overlap + notification + circle)

#### Customization 📄 Read: references/customization.md

• Custom color overrides with CSS classes
• Adjusting badge size via font-size
• Custom positioning (left-top, left-bottom) with CSS overrides
• When to use custom CSS vs built-in modifier classes

#### How-To Guides 📄 Read: references/how-to.md

• Integrate badges into a ListView component
• Update badge content dynamically (increment counts)
• React pattern for badge state management using DOM updates

Quick Start

1. Install the package:

npm install @syncfusion/[email protected] --save
npm audit

2. Add CSS to `src/App.css`:

@import "../node_modules/@syncfusion/ej2-base/styles/tailwind3.css";
@import "../node_modules/@syncfusion/ej2-notifications/styles/tailwind3.css";

3. Add a badge in your component:

import * as React from 'react';
import './App.css';

function App() {
  return (
    <h1>Badge Component <span className="e-badge e-badge-primary">New</span></h1>
  );
}
export default App;

Common Patterns

#### Notification badge on an icon

// Parent must have position: relative
<div className="badge-block">
  <div className="skype svg_icons"></div>
  <span className="e-badge e-badge-success e-badge-overlap e-badge-notification">99+</span>
</div>

#### Dot status indicator (bottom position)

<div className="badge-block">
  <div className="firefox svg_icons"></div>
  <span className="e-badge e-badge-success e-badge-overlap e-badge-dot e-badge-bottom"></span>
</div>

#### Pill-shaped label

<h1>Messages <span className="e-badge e-badge-primary e-badge-pill">New</span></h1>

CSS Class Reference