Specialized

/**
 * EyeDropper API integration for color picking
 * @returns Object with support status and open function
 */
function useEyeDropper(): UseEyeDropperReturnValue;

interface EyeDropperOpenOptions {
  signal?: AbortSignal;
}

interface EyeDropperOpenReturnType {
  sRGBHex: string;
}

interface UseEyeDropperReturnValue {
  supported: boolean;
  open: (options?: EyeDropperOpenOptions) => Promise<EyeDropperOpenReturnType>;
}

import { useEyeDropper } from "@mantine/hooks";

function ColorPicker() {
  const [color, setColor] = useState('#000000');
  const eyeDropper = useEyeDropper();
  
  const pickColor = async () => {
    if (!eyeDropper.supported) {
      alert('EyeDropper API not supported');
      return;
    }
    
    try {
      const result = await eyeDropper.open();
      setColor(result.sRGBHex);
    } catch (error) {
      console.log('Color picking cancelled');
    }
  };
  
  return (
    <div>
      <div style={{ width: 50, height: 50, background: color }} />
      <button onClick={pickColor} disabled={!eyeDropper.supported}>
        Pick Color from Screen
      </button>
    </div>
  );
}

/**
 * File input dialog with options
 * @param options - Configuration for file selection
 * @returns Object with open and reset functions
 */
function useFileDialog(options: UseFileDialogOptions): UseFileDialogReturnValue;

interface UseFileDialogOptions {
  multiple?: boolean;
  accept?: string;
  capture?: boolean | 'user' | 'environment';
  onFiles: (files: FileList | null) => void;
}

interface UseFileDialogReturnValue {
  open: () => void;
  reset: () => void;
}

import { useFileDialog } from "@mantine/hooks";

function ImageUploader() {
  const [images, setImages] = useState<File[]>([]);
  
  const fileDialog = useFileDialog({
    multiple: true,
    accept: 'image/*',
    onFiles: (files) => {
      if (files) {
        setImages(Array.from(files));
      }
    }
  });
  
  return (
    <div>
      <button onClick={fileDialog.open}>
        Select Images
      </button>
      <button onClick={fileDialog.reset}>
        Reset
      </button>
      <div>
        {images.map((file, index) => (
          <div key={index}>{file.name}</div>
        ))}
      </div>
    </div>
  );
}

// Camera capture
function CameraCapture() {
  const cameraDialog = useFileDialog({
    accept: 'image/*',
    capture: 'environment', // Use back camera
    onFiles: (files) => {
      if (files && files[0]) {
        handlePhotoCapture(files[0]);
      }
    }
  });
  
  return <button onClick={cameraDialog.open}>Take Photo</button>;
}

/**
 * Multi-select state management
 * @param items - Array of items to manage selection for
 * @param input - Configuration for selection behavior
 * @returns Object with selected items, handlers, and utilities
 */
function useSelection<T>(
  items: T[],
  input?: UseSelectionInput<T>
): UseSelectionReturnValue<T>;

interface UseSelectionInput<T> {
  multiple?: boolean;
  value?: T | T[];
  onSelectionChange?: (value: T | T[]) => void;
}

interface UseSelectionHandlers<T> {
  select: (item: T) => void;
  deselect: (item: T) => void;
  toggle: (item: T) => void;
  selectAll: () => void;
  deselectAll: () => void;
  setSelection: (items: T[]) => void;
}

interface UseSelectionReturnValue<T> {
  selected: T[];
  handlers: UseSelectionHandlers<T>;
  isSelected: (item: T) => boolean;
}

import { useSelection } from "@mantine/hooks";

function TodoList() {
  const todos = [
    { id: 1, text: 'Learn React' },
    { id: 2, text: 'Build app' },
    { id: 3, text: 'Deploy' }
  ];
  
  const selection = useSelection(todos, {
    multiple: true,
    onSelectionChange: (selected) => {
      console.log('Selected todos:', selected);
    }
  });
  
  const deleteSelected = () => {
    // Delete selected todos
    const selectedIds = selection.selected.map(todo => todo.id);
    deleteTodos(selectedIds);
    selection.deselectAll();
  };
  
  return (
    <div>
      <div>
        <button onClick={selection.handlers.selectAll}>
          Select All
        </button>
        <button onClick={selection.handlers.deselectAll}>
          Deselect All
        </button>
        <button onClick={deleteSelected} disabled={selection.selected.length === 0}>
          Delete Selected ({selection.selected.length})
        </button>
      </div>
      
      {todos.map(todo => (
        <div key={todo.id}>
          <input
            type="checkbox"
            checked={selection.isSelected(todo)}
            onChange={() => selection.handlers.toggle(todo)}
          />
          {todo.text}
        </div>
      ))}
    </div>
  );
}

/**
 * Circular/radial mouse interactions
 * @param options - Configuration for radial movement
 * @returns Object with ref callback
 */
function useRadialMove<T extends HTMLElement = any>(
  options?: UseRadialMoveOptions
): UseRadialMoveReturnValue<T>;

/**
 * Normalize radial value to 0-1 range
 * @param value - Value to normalize
 * @returns Normalized value
 */
function normalizeRadialValue(value: number): number;

interface UseRadialMoveOptions {
  onValueChange?: (value: number) => void;
  onScrubStart?: () => void;
  onScrubEnd?: () => void;
  step?: number;
  max?: number;
  min?: number;
}

interface UseRadialMoveReturnValue<T extends HTMLElement = any> {
  ref: React.RefCallback<T | null>;
}

import { useRadialMove, normalizeRadialValue } from "@mantine/hooks";

function VolumeKnob() {
  const [volume, setVolume] = useState(0.5);
  
  const { ref } = useRadialMove({
    onValueChange: (value) => {
      const normalized = normalizeRadialValue(value);
      setVolume(normalized);
    },
    min: 0,
    max: 1,
    step: 0.01
  });
  
  return (
    <div
      ref={ref}
      style={{
        width: 100,
        height: 100,
        borderRadius: '50%',
        border: '2px solid #ccc',
        position: 'relative',
        cursor: 'pointer'
      }}
    >
      <div
        style={{
          position: 'absolute',
          top: '50%',
          left: '50%',
          width: 4,
          height: 40,
          background: '#000',
          transformOrigin: 'center bottom',
          transform: `translate(-50%, -100%) rotate(${volume * 270 - 135}deg)`
        }}
      />
      <div>Volume: {Math.round(volume * 100)}%</div>
    </div>
  );
}

/**
 * Track mouse position relative to element
 * @returns Object with ref and mouse coordinates
 */
function useMouse<T extends HTMLElement = any>(): {
  ref: React.RefCallback<T | null>;
  x: number;
  y: number;
};

/**
 * Track current text selection
 * @returns Current Selection object or null
 */
function useTextSelection(): Selection | null;

/**
 * Return focus to previous element
 * @param options - Configuration for focus return
 * @returns Object with returnFocus function
 */
function useFocusReturn(options?: UseFocusReturnOptions): UseFocusReturnReturnValue;

interface UseFocusReturnOptions {
  opened: boolean;
  shouldReturnFocus?: boolean;
}

interface UseFocusReturnReturnValue {
  returnFocus: () => void;
}

/**
 * Development logging utility
 * @param name - Name for the logger
 * @param props - Object to log when it changes
 */
function useLogger(name: string, props: Record<string, any>): void;

import { useLogger } from "@mantine/hooks";

function DebugComponent({ userId, settings }: Props) {
  const [count, setCount] = useState(0);
  
  // Log prop and state changes in development
  useLogger('DebugComponent', { userId, settings, count });
  
  return (
    <div>
      <button onClick={() => setCount(c => c + 1)}>
        Count: {count}
      </button>
    </div>
  );
}

import { useFileDialog, useClipboard } from "@mantine/hooks";

function AdvancedFileUploader() {
  const [files, setFiles] = useState<File[]>([]);
  const [uploadProgress, setUploadProgress] = useState<Record<string, number>>({});
  const clipboard = useClipboard();
  
  const imageDialog = useFileDialog({
    multiple: true,
    accept: 'image/*',
    onFiles: (fileList) => {
      if (fileList) {
        const newFiles = Array.from(fileList);
        setFiles(prev => [...prev, ...newFiles]);
        
        // Start upload for each file
        newFiles.forEach(uploadFile);
      }
    }
  });
  
  const uploadFile = async (file: File) => {
    const formData = new FormData();
    formData.append('file', file);
    
    try {
      const response = await fetch('/upload', {
        method: 'POST',
        body: formData
      });
      
      if (response.ok) {
        const result = await response.json();
        clipboard.copy(result.url);
      }
    } catch (error) {
      console.error('Upload failed:', error);
    }
  };
  
  return (
    <div>
      <button onClick={imageDialog.open}>
        Select Images
      </button>
      <div>
        {files.map((file, index) => (
          <div key={index}>
            {file.name}
            {uploadProgress[file.name] && (
              <div>Progress: {uploadProgress[file.name]}%</div>
            )}
          </div>
        ))}
      </div>
    </div>
  );
}