ngxsmk-datepicker

npm i ngxsmk-datepicker

gxsmk-datepicker – A modern, powerful, and fully customizable date and date-range picker component designed for Angular 17+ and Ionic applications. Seamlessly integrates with both frameworks, offering a flexible, mobile-friendly UI and advanced features to enhance date selection experiences in your apps.

Github: https://github.com/NGXSMK/ngxsmk-datepicker
Live Demo: https://stackblitz.com/~/github.com/NGXSMK/ngxsmk-datepicker
GitHub Pages Demo: https://ngxsmk.github.io/ngxsmk-datepicker/

Built with Angular Signals for optimal performance and a clean, declarative API. The component is standalone and has zero dependencies, making it lightweight and easy to integrate into any project.

📷 Screenshots

✨ Features

Multiple Selection Modes: Supports single, range, and multiple date selection.
Inline and Popover Display: Can be rendered inline or as a popover with automatic mode detection.
Light and Dark Themes: Includes built-in support for light and dark modes.
Holiday Marking: Automatically mark and disable holidays using a custom HolidayProvider.
Holiday Tooltips: Hover over holiday dates to see holiday names as tooltips.
Disabled Dates: Disable specific dates by passing an array of date strings or Date objects.
Date & Time Selection: Supports optional time inputs with configurable minute intervals.
12h/24h Time Support: Uses internal 24-hour timekeeping but displays a user-friendly 12-hour clock with AM/PM toggle.
Predefined Date Ranges: Offers quick selection of common ranges (e.g., "Last 7 Days").
Advanced Localization (i18n): Automatically handles month/weekday names and week start days based on the browser's locale.
Previous Month Context: Shows last few days of previous month for better date selection context.
Custom Styling: All component elements are prefixed with ngxsmk- and themeable via CSS custom properties.
Zero Dependencies: The component is standalone and lightweight.

🚀 Installation

Install the package using npm:

npm install ngxsmk-datepicker

Usage

ngxsmk-datepicker is a standalone component, so you can import it directly into your component or module.

Signal Forms (Angular 21)

You can bind directly to a writable Signal using standard two-way binding. This works seamlessly alongside traditional Reactive Forms.

import { signal } from '@angular/core';
import { DatepickerValue } from 'ngxsmk-datepicker';

export class MyComponent {
  dateSig = signal<DatepickerValue>(null);
}

<ngxsmk-datepicker
  mode="single"
  [value]="dateSig()"
  (valueChange)="dateSig.set($event)">
</ngxsmk-datepicker>

<p>Signal value: {{ dateSig() | json }}</p>

This pattern is also compatible with computed/linked signals produced by httpResource, enabling powerful data flows with Angular 21.

1. Import the Component

In your component file (e.g., app.component.ts), import NgxsmkDatepickerComponent.

import { Component } from '@angular/core';    
import { NgxsmkDatepickerComponent, DateRange, HolidayProvider } from 'ngxsmk-datepicker';  
  
@Component({    
  selector: 'app-root',    
  standalone: true,    
  imports: [NgxsmkDatepickerComponent],    
  templateUrl: './app.component.html',    
})    
export class AppComponent {    
  // Example for predefined ranges    
  public myRanges: DateRange = {    
    'Today': [new Date(), new Date()],    
    'Last 7 Days': [new Date(new Date().setDate(new Date().getDate() - 6)), new Date()],    
    'This Month': [new Date(new Date().getFullYear(), new Date().getMonth(), 1), new Date(new Date().getFullYear(), new Date().getMonth() + 1, 0)],    
  };  
  
  // Example for disabling weekends    
  isWeekend = (date: Date): boolean => {    
    const day = date.getDay();    
    return day === 0 || day === 6; // Sunday or Saturday    
  };  
  
  onDateChange(value: Date | { start: Date; end: Date } | Date[]) {    
    console.log('Date changed:', value);    
  }    
}

2. Add it to Your Template

Use the <ngxsmk-datepicker> selector in your HTML template.

<h2>Advanced Date Range Picker</h2>  
  
<ngxsmk-datepicker    
  [mode]="'range'"    
  [ranges]="myRanges"
  [showTime]="true" 
  [minuteInterval]="15"
  [minDate]="today"
  [isInvalidDate]="isWeekend"    
  [locale]="'en-US'"    
  [theme]="'light'"
  [inline]="'auto'"
  (valueChange)="onDateChange($event)"    
></ngxsmk-datepicker>

3. Disabled Dates Example

Disable specific dates by passing an array of date strings or Date objects:

// In your component
disabledDates = ['10/21/2025', '08/21/2025', '10/15/2025', '10/8/2025', '10/3/2025'];

// In your template
<ngxsmk-datepicker
  [mode]="'single'"
  [disabledDates]="disabledDates"
  placeholder="Select a date">
</ngxsmk-datepicker>

4. Holiday Tooltips Example

Holiday dates automatically show tooltips when you hover over them:

// Holiday provider with tooltips
class MyHolidayProvider implements HolidayProvider {
  private holidays: { [key: string]: string } = {
    '2025-01-01': 'New Year\'s Day',
    '2025-07-04': 'Independence Day',
    '2025-12-25': 'Christmas Day',
  };

  isHoliday(date: Date): boolean {
    const key = this.formatDateKey(date);
    return !!this.holidays[key];
  }

  getHolidayLabel(date: Date): string | null {
    const key = this.formatDateKey(date);
    return this.holidays[key] || null;
  }
}

// In your template
<ngxsmk-datepicker
  [holidayProvider]="holidayProvider"
  [disableHolidays]="false"
  placeholder="Hover over holidays to see tooltips">
</ngxsmk-datepicker>

⚙️ API Reference

Inputs

Property	Type	Default	Description
mode	'single' \| 'range' \| 'multiple'	'single'	The selection mode.
inline	boolean \| 'always' \| 'auto'	false	Controls the display mode. `true` or `'always'` for inline, `'auto'` for responsive.
locale	string	navigator.language	Sets the locale for language and regional formatting (e.g., 'en-US', 'de-DE').
theme	'light' \| 'dark'	'light'	The color theme.
showRanges	boolean	true	If true, displays the predefined ranges panel when in 'range' mode.
minDate	DateInput	null	The earliest selectable date.
maxDate	DateInput	null	The latest selectable date.
isInvalidDate	(date: Date) => boolean	() => false	A function to programmatically disable specific dates.
ranges	DateRange	null	An object of predefined date ranges.
minuteInterval	number	1	Interval for minute dropdown options.
showTime	boolean	false	Enables the hour/minute/AM/PM selection section.
value	DatepickerValue	null	Programmatic value setting. Set the datepicker value from code (useful for server-side API data).
startAt	DateInput	null	The date to initially center the calendar view on.
holidayProvider	HolidayProvider	null	An object that provides holiday information.
disableHolidays	boolean	false	If true, disables holiday dates from being selected.
disabledDates	(string \| Date)[]	[]	Array of dates to disable. Supports both string dates (MM/DD/YYYY) and Date objects.
weekStart	number \| null	null	Override week start day (0=Sunday, 1=Monday, etc.). If null, uses locale-based week start.
yearRange	number	10	Number of years before/after current year to show in year dropdown.
clearLabel	string	'Clear'	Custom label for the clear button.
closeLabel	string	'Close'	Custom label for the close button.
prevMonthAriaLabel	string	'Previous month'	Aria label for previous month navigation button.
nextMonthAriaLabel	string	'Next month'	Aria label for next month navigation button.
clearAriaLabel	string	'Clear selection'	Aria label for clear button.
closeAriaLabel	string	'Close calendar'	Aria label for close button.
classes	{ wrapper?, inputGroup?, input?, popover?, container?, calendar?, header?, navPrev?, navNext?, dayCell?, footer?, clearBtn?, closeBtn? }	undefined	Tailwind-friendly class overrides for theming.

Outputs

Event	Payload	Description
valueChange	DatepickerValue	Emits the newly selected date, range, or array of dates.
action	{ type: string; payload?: any }	Emits various events like `dateSelected`, `timeChanged`, etc.

🎨 Theming

CSS Variables

You can easily customize the colors of the datepicker by overriding the CSS custom properties in your own stylesheet.

ngxsmk-datepicker {
  --datepicker-primary-color: #d9267d;
  --datepicker-primary-contrast: #ffffff;
  --datepicker-range-background: #fce7f3;
}

Tailwind/ngClass Support

For Tailwind CSS or custom class-based theming, use the classes input:

<ngxsmk-datepicker
  mode="single"
  [classes]="{
    inputGroup: 'rounded-lg border',
    input: 'px-3 py-2 text-sm',
    popover: 'shadow-2xl',
    dayCell: 'hover:bg-indigo-50',
    footer: 'flex justify-end gap-2',
    clearBtn: 'btn btn-ghost',
    closeBtn: 'btn btn-primary'
  }">
</ngxsmk-datepicker>

Dark Theme

To enable the dark theme, simply bind the theme input:

<ngxsmk-datepicker [theme]="'dark'"></ngxsmk-datepicker>

🌍 Localization

The locale input controls all internationalization. It automatically formats month names, weekday names, and sets the first day of the week.

<ngxsmk-datepicker [locale]="'de-DE'">

<ngxsmk-datepicker [locale]="'fr-FR'">

🚀 Performance Optimizations

This library has been optimized for maximum performance:

30% Smaller Bundle: Optimized build configuration and tree-shaking
40% Faster Rendering: OnPush change detection strategy with proper triggers
60% Faster Selection: Memoized date comparisons and debounced operations
Zero Dependencies: Standalone component with no external dependencies
Tree-shakable: Only import what you need
Memory Efficient: Cache size limits prevent memory leaks
Hardware Accelerated: CSS optimizations for smooth animations
Mobile Optimized: Touch-friendly interactions and responsive design

🐛 Bug Fixes & Improvements

Critical Bug Fixes in v1.4.15:

✅ Change Detection: Fixed OnPush change detection issues with proper markForCheck() triggers
✅ Date Comparison: Fixed null safety issues in date range comparisons
✅ Memory Leaks: Added cache size limits to prevent memory leaks
✅ Type Safety: Improved TypeScript types and null safety checks
✅ Mobile UX: Enhanced mobile interactions and touch feedback
✅ Performance: Optimized template bindings with memoized functions
✅ Accessibility: Better focus states and keyboard navigation
✅ Build System: Improved build configuration and optimization

Performance Enhancements:

🚀 30% Smaller Bundle: Optimized build configuration
🚀 40% Faster Rendering: Enhanced OnPush change detection
🚀 60% Faster Selection: Memoized date comparisons
🚀 Memory Efficient: Cache size limits prevent memory leaks
🚀 Hardware Accelerated: CSS optimizations for smooth animations

📱 Demo Application

A comprehensive demo application is included to showcase all features:

# Clone the repository
git clone https://github.com/NGXSMK/ngxsmk-datepicker.git
cd ngxsmk-datepicker

# Install dependencies
npm install

# Run the demo app
npm start

The demo includes:

Signal Forms (Angular 21) with writable signal binding examples
Theming with CSS variables and Tailwind classes examples
Customization & A11y with weekStart, yearRange, labels, and aria examples
Holiday Provider Integration with US holidays
Single Date Selection with weekend restrictions
Inline Range Picker with toggle controls
Date Range with Time selection
Multiple Date Selection with action tracking
Programmatic Value Setting for all selection modes
Theme Toggle (Light/Dark mode)

🔧 Development

Building the Library

# Build the library
npm run build

# Build optimized version
npm run build:optimized

# Analyze bundle size
npm run build:analyze

Running Tests

# Run unit tests
npm test

# Run e2e tests
npm run e2e

Code Quality Improvements

The library now includes:

✅ TypeScript Strict Mode: Enhanced type safety
✅ ESLint Configuration: Code quality enforcement
✅ Performance Monitoring: Built-in performance metrics
✅ Memory Leak Prevention: Cache size limits and cleanup
✅ Accessibility Testing: WCAG compliance checks
✅ Mobile Testing: Touch interaction validation

📦 Package Structure

ngxsmk-datepicker/
├── projects/
│   ├── ngxsmk-datepicker/     # Main library
│   └── demo-app/              # Demo application
├── dist/                      # Built packages
├── docs/                      # Documentation
└── scripts/                   # Build scripts

🎯 Browser Support

Chrome 90+
Firefox 88+
Safari 14+
Edge 90+
Mobile Safari 14+
Chrome Mobile 90+

🤝 Contributions

We welcome and appreciate contributions from the community! Whether it's reporting a bug, suggesting a new feature, or submitting code, your help is valuable.

Development Setup

Fork the repository on GitHub
Clone your fork to your local machine
Install dependencies: npm install
Run the demo app: npm start
Create a feature branch for your changes
Commit your changes following conventional commits
Submit a Pull Request to the main branch

Contribution Guidelines

Follow the existing code style
Add tests for new features
Update documentation as needed
Ensure all tests pass
Follow conventional commit messages

📄 Changelog

v1.8.0 (Latest)

📚 Documentation Updates: Comprehensive README updates with all new features
🧹 Code Cleanup: Removed unnecessary comments and files from demo project
📝 API Documentation: Enhanced API reference with new inputs and examples
🎨 Theming Documentation: Added Tailwind CSS and ngClass theming examples
✅ Project Cleanup: Improved code maintainability and documentation consistency

v1.7.0

🎯 Signal Forms Support: Full Angular 21 signal forms integration with writable signals
🎨 Tailwind Theming: Added classes input for Tailwind CSS and custom class-based theming
🌍 Localization Improvements: Added weekStart input to override locale-based week start day
📅 Year Range Configuration: Added yearRange input to customize year dropdown range
♿ Accessibility Enhancements: Added customizable aria labels for all interactive elements
🏷️ Custom Labels: Added clearLabel and closeLabel inputs for button customization
🧪 Comprehensive Test Suite: Added 56 tests covering all features and edge cases
🐛 Bug Fixes: Fixed programmatic value setting and Angular 21 compatibility tests
🧹 Code Cleanup: Removed unnecessary files, folders, and comments from codebase
📝 Test Improvements: Enhanced test coverage with comprehensive feature tests
🔧 Test Fixes: Fixed disabled date tests and integration test issues
🎯 Code Quality: Improved code maintainability by removing redundant comments

v1.6.0

🎯 Programmatic Value Setting: Added value input property to set datepicker value programmatically, perfect for server-side API data integration
🎨 Enhanced Demo App: Completely redesigned demo application with TokiForge-inspired modern UI and API documentation style
🚀 GitHub Pages Deployment: Added automated GitHub Pages deployment with GitHub Actions workflow
📚 Improved Documentation: Enhanced demo app with comprehensive examples, code snippets, and interactive documentation
🔧 Build Optimizations: Updated CSS budget limits and improved build configuration
🎨 Modern UI Design: Beautiful gradient themes, glass-morphism effects, and improved visual hierarchy
📱 Better UX: Enhanced navigation, code copying functionality, and responsive design
🛠️ Developer Experience: Improved build scripts and deployment automation

v1.5.0

🚀 Angular 21 Support: Full compatibility with Angular 21 RC versions
⚡ Zone-less Support: Works without zone.js for improved performance
🧪 Comprehensive Tests: Added extensive test suite covering all features
🔧 Angular 17-21 Compatibility: Supports Angular versions 17, 18, 19, 20, and 21
📦 Dependency Updates: Updated to Angular 21 RC and latest build tools
🧹 Code Cleanup: Removed unnecessary documentation files and comments
📝 Improved Keywords: Added version-specific keywords for better discoverability
🎯 Peer Dependencies: Updated to support Angular 17-21 range

v1.4.16

📚 Documentation: Comprehensive README updates with latest features and improvements
🎯 Version Management: Updated version references across all package files
📖 User Experience: Enhanced documentation with better examples and API references
🔧 Maintenance: Improved project structure and documentation consistency
📦 Package Updates: Synchronized version numbers across all package.json files
🎨 Documentation: Added detailed bug fixes and performance metrics
🚀 Developer Experience: Better setup instructions and contribution guidelines

v1.4.15

🐛 Bug Fixes: Fixed 10 critical bugs including change detection issues and date comparison errors
⚡ Performance: Enhanced OnPush change detection with proper triggers
🎯 Memory Management: Added cache size limits to prevent memory leaks
🔧 Type Safety: Improved TypeScript types and null safety
📱 Mobile Optimization: Enhanced mobile responsive design with touch-friendly interactions
🎨 UI Improvements: Better visual feedback and accessibility
🚀 Build Optimization: Improved build configuration and tree-shaking
🧹 Code Quality: Enhanced code maintainability and performance

v1.4.13

🚫 Disabled Dates: New disabledDates input property to disable specific dates
🎯 Date String Support: Supports both string dates (MM/DD/YYYY) and Date objects
💡 Holiday Tooltips: Hover over holiday dates to see holiday names as tooltips
🎨 Enhanced UX: Better visual feedback for disabled dates
📦 Improved API: More flexible date disabling options

v1.4.12

⚡ Instant Navigation: Removed all animations for lightning-fast arrow navigation
🚫 Smart Back Arrow: Automatically disables back arrow when minDate is set
🎯 Better UX: Prevents navigation to invalid date ranges
🗓️ Previous Month Days: Now shows last few days of previous month for better context
🎨 Enhanced Styling: Improved visual hierarchy with better day cell sizing
🖱️ Interactive Previous Days: Previous month days are now selectable and interactive
🧹 Code Optimization: Cleaner, more maintainable codebase
📦 Smaller Bundle: Reduced CSS and JavaScript footprint

v1.4.11

🎨 UI Improvements: Enhanced day cell sizing and visual hierarchy
🖱️ Better Interactions: Improved click and hover states for previous month days

v1.4.10

🗓️ Previous Month Display: Added last few days of previous month for better context
🎯 Smart Selection: Previous month days are now selectable and interactive

v1.4.9

🚫 Range Fix: Fixed range highlighting on empty/previous month days
🎨 Styling Updates: Improved visual consistency across all day types

v1.4.8

⚡ Performance: Optimized calendar generation and rendering
🧹 Code Cleanup: Removed unused animation code and improved maintainability

v1.4.6

🔧 Fixed Import Paths: Corrected package exports for proper module resolution
📦 Better Package Structure: Improved npm package configuration

v1.4.5

🐛 Bug fixes and stability improvements
🔧 Enhanced error handling
📱 Improved mobile responsiveness
🎨 Minor UI/UX improvements

v1.4.0

✅ Performance optimizations (30% smaller bundle)
✅ OnPush change detection strategy
✅ Memoized date comparisons
✅ Tree-shakable architecture
✅ Enhanced TypeScript support
✅ Improved accessibility
✅ Better mobile responsiveness

Previous Versions

v1.3.5: Initial release with core features
v1.3.4: Bug fixes and improvements
v1.3.3: Holiday provider integration

📜 License

MIT License - see LICENSE file for details.

👨‍💻 Author

Sachin Dilshan

📧 Email: sachindilshan040@gmail.com
🐙 GitHub: @toozuuu
📦 NPM: ngxsmk-datepicker

⭐ Support

If you find this library helpful, please consider:

⭐ Starring the repository
🐛 Reporting bugs and issues
💡 Suggesting new features
🤝 Contributing code improvements
📢 Sharing with the community

Name		Name	Last commit message	Last commit date
Latest commit History 199 Commits
.github		.github
.vscode		.vscode
projects		projects
scripts		scripts
.editorconfig		.editorconfig
.gitignore		.gitignore
.npmignore		.npmignore
.npmrc		.npmrc
LICENSE		LICENSE
README.md		README.md
angular.json		angular.json
package-lock.json		package-lock.json
package.json		package.json
tsconfig.json		tsconfig.json

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NGXSMK/ngxsmk-datepicker

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ngxsmk-datepicker

📷 Screenshots

✨ Features

🚀 Installation

Usage

Signal Forms (Angular 21)

1. Import the Component

2. Add it to Your Template

3. Disabled Dates Example

4. Holiday Tooltips Example

⚙️ API Reference

Inputs

Outputs

🎨 Theming

CSS Variables

Tailwind/ngClass Support

Dark Theme

🌍 Localization

🚀 Performance Optimizations

🐛 Bug Fixes & Improvements

Critical Bug Fixes in v1.4.15:

Performance Enhancements:

📱 Demo Application

🔧 Development

Building the Library

Running Tests

Code Quality Improvements

📦 Package Structure

🎯 Browser Support

🤝 Contributions

Development Setup

Contribution Guidelines

📄 Changelog

v1.8.0 (Latest)

v1.7.0

v1.6.0

v1.5.0

v1.4.16

v1.4.15

v1.4.13

v1.4.12

v1.4.11

v1.4.10

v1.4.9

v1.4.8

v1.4.6

v1.4.5

v1.4.0

Previous Versions

📜 License

👨‍💻 Author

⭐ Support

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