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Overview

The Sample Page serves as a comprehensive template and demonstration of VChata’s frontend components, layout patterns, and design system. It showcases best practices for building consistent and user-friendly interfaces.

Sample Page

Main Sample Page

Route: /sample-page Comprehensive demonstration page featuring various UI components, layouts, and interactive elements.

Component Showcase

Display of all available UI components and their variations

Layout Examples

Different layout patterns and responsive design examples
Features:
  • Interactive component demonstrations
  • Responsive design examples
  • Code snippets and usage examples
  • Accessibility compliance demonstrations
  • Theme and styling variations
  • Performance optimization examples

Component Demonstrations

UI Components

Form Components

Buttons, inputs, selects, and form validation examples

Navigation Components

Menus, breadcrumbs, tabs, and navigation patterns

Data Display Components

Tables and Lists

Data tables, lists, and grid layouts

Charts and Visualizations

Chart components and data visualization examples

Interactive Components

Modals and Dialogs

Modal windows, dialogs, and overlay components

Interactive Elements

Tooltips, popovers, and interactive feedback components

Layout Patterns

Grid Systems

  • 12-column responsive grid system
  • Breakpoint-specific column configurations
  • Flexible and fixed width options
  • Nested grid support
  • Offset and alignment utilities
  • Flexbox-based component layouts
  • Justify content and align items examples
  • Flex grow, shrink, and basis demonstrations
  • Responsive flex properties
  • Cross-browser compatibility examples

Component Layouts

  • Various card component arrangements
  • Grid and masonry layouts
  • Responsive card stacking
  • Card interaction patterns
  • Accessibility considerations
  • Single and multi-column form layouts
  • Label and input arrangements
  • Validation message positioning
  • Responsive form behavior
  • Accessibility best practices

Design System

Color Palette

Primary Colors

Brand colors and primary color variations

Semantic Colors

Success, warning, error, and info color schemes

Typography

  • Primary and secondary font families
  • Font weight and style variations
  • Line height and letter spacing
  • Responsive typography scaling
  • Font loading optimization
  • Heading styles and hierarchy
  • Body text and paragraph formatting
  • Link styles and hover states
  • Code and monospace text
  • Text alignment and decoration

Spacing and Sizing

  • Consistent spacing scale and units
  • Margin and padding utilities
  • Component spacing guidelines
  • Responsive spacing adjustments
  • Spacing accessibility considerations
  • Component size variations
  • Icon and button sizing
  • Input and form element sizing
  • Responsive sizing behavior
  • Accessibility size requirements

Interactive Examples

Form Demonstrations

1

Basic Form

Simple form with standard input types and validation
2

Advanced Form

Complex form with conditional fields and multi-step validation
3

Form Validation

Real-time validation with error handling and success states
4

Form Submission

Form submission with loading states and feedback

Component Interactions

Hover Effects

Hover states and interactive feedback

Loading States

Loading indicators and skeleton screens

Code Examples

Component Usage

import React, { useState } from 'react';
import { Button, Card, Input, Modal } from '@vchata/components';

const SampleComponent = () => {
  const [isModalOpen, setIsModalOpen] = useState(false);
  const [formData, setFormData] = useState({
    name: '',
    email: '',
  });

  const handleSubmit = (e) => {
    e.preventDefault();
    // Handle form submission
    console.log('Form submitted:', formData);
  };

  return (
    <div className="sample-page">
      <Card title="Sample Component">
        <form onSubmit={handleSubmit}>
          <Input
            label="Name"
            value={formData.name}
            onChange={(e) => setFormData({...formData, name: e.target.value})}
            required
          />
          <Input
            label="Email"
            type="email"
            value={formData.email}
            onChange={(e) => setFormData({...formData, email: e.target.value})}
            required
          />
          <Button type="submit" variant="primary">
            Submit
          </Button>
        </form>
        
        <Button 
          onClick={() => setIsModalOpen(true)}
          variant="secondary"
        >
          Open Modal
        </Button>
        
        <Modal
          isOpen={isModalOpen}
          onClose={() => setIsModalOpen(false)}
          title="Sample Modal"
        >
          <p>This is a sample modal content.</p>
        </Modal>
      </Card>
    </div>
  );
};

export default SampleComponent;

Responsive Design

import React from 'react';
import { useMediaQuery } from '@vchata/hooks';

const ResponsiveSample = () => {
  const isMobile = useMediaQuery('(max-width: 768px)');
  const isTablet = useMediaQuery('(min-width: 769px) and (max-width: 1024px)');
  const isDesktop = useMediaQuery('(min-width: 1025px)');

  return (
    <div className={`responsive-container ${isMobile ? 'mobile' : ''}`}>
      <div className="grid">
        <div className="grid-item">
          <h3>Responsive Grid Item</h3>
          <p>This content adapts to different screen sizes.</p>
        </div>
        <div className="grid-item">
          <h3>Adaptive Layout</h3>
          <p>Layout changes based on device type.</p>
        </div>
        {isDesktop && (
          <div className="grid-item">
            <h3>Desktop Only</h3>
            <p>This content only appears on desktop devices.</p>
          </div>
        )}
      </div>
    </div>
  );
};

Best Practices

  • Use consistent naming conventions for components and classes
  • Implement proper prop validation and TypeScript types
  • Follow accessibility guidelines and ARIA standards
  • Create reusable components with clear APIs
  • Document component usage and examples
  • Optimize component rendering with React.memo and useMemo
  • Implement lazy loading for large components
  • Use proper image optimization and lazy loading
  • Minimize bundle size with code splitting
  • Implement proper caching strategies
  • Ensure consistent interaction patterns across components
  • Implement proper loading and error states
  • Provide clear feedback for user actions
  • Maintain responsive design across all devices
  • Test components with real users and gather feedback

Testing and Quality

Component Testing

Unit Testing

Test individual components in isolation

Integration Testing

Test component interactions and data flow

Quality Assurance

  • Screen reader compatibility testing
  • Keyboard navigation verification
  • Color contrast and visual accessibility
  • ARIA labels and semantic HTML validation
  • Automated accessibility testing tools
  • Testing across major browsers (Chrome, Firefox, Safari, Edge)
  • Mobile browser compatibility
  • Performance testing on different devices
  • Visual regression testing
  • User agent testing and compatibility

Troubleshooting

Common Issues

  • Check component prop types and validation
  • Verify CSS class names and styling
  • Ensure proper component imports and exports
  • Check for JavaScript errors in browser console
  • Verify responsive breakpoints and media queries
  • Profile component rendering performance
  • Check for unnecessary re-renders
  • Optimize large lists with virtualization
  • Implement proper memoization strategies
  • Monitor bundle size and loading times
  • Verify CSS specificity and cascade order
  • Check for conflicting styles between components
  • Ensure proper theme and variable usage
  • Test styling across different devices and browsers
  • Validate responsive design breakpoints